Lead Software Engineer
Software engineering internship job in Greenwood Village, CO
*** W2 Contract Only - No C2C - No 3rd Parties ***
The Ash Group is hiring a Lead Software Engineer (Full Stack) for our client (one of the largest private credit providers in the US agricultural economy) based in Greenwood Village, CO (hybrid).
This is a high-impact role requiring 6-8 years of experience, with mandatory hands-on expertise in React (4+ years) and Node.js (4+ years). You will be leading the design and development of foundational SPA (Single Page Application) and BFF (Backend for Frontend) architecture on AWS, driving major digital transformation and automating business processes.
Role Details
Compensation: Competitive pay rate of $95 per hour.
Benefits: Medical, dental, vision, and direct primary care benefits. After six months of employment, enjoy a 4% matched 401(k) plan with immediate 100% vesting.
Duration: 6-month contract with possible extension.
Location: Hybrid in Greenwood Village, CO (availability during 9 am - 5 pm MT core hours required).
What You'll Be Doing
Lead the design, development, and implementation of technical solutions as a Full Stack Engineer, with a focus on building robust, cloud-based solutions on AWS.
Mandatory hands-on development using React, HTML/CSS, and Node.js, including the creation of Restful APIs for Single Page Applications.
Support the RPA (Robotics Process Automation) team and develop solutions for improving quality, delivery, and customer/employee experience using automation technologies.
Apply a strong understanding of the Software Development Lifecycle (SDLC) and CI/CD pipelines (e.g., Git, Docker, Kubernetes) to ensure reliable deployments and automation.
Provide workday and after-hours production support, including troubleshooting, problem correction, and root cause analysis.
What We're Looking For
6-8 years of experience as a Software Engineer.
4+ years of hands-on experience with Front-end technologies: React, HTML/CSS.
4+ years of hands-on experience with Back-end technologies: Node.js.
Experience building Restful APIs and developing Single Page Applications (SPAs).
Experience with AWS (or GCP, Azure) and container orchestration services like Docker and Kubernetes.
Strong understanding of CI/CD pipelines, Git, and version control processes.
Proficiency with SQL, Python, and open-source databases is a plus.
This is a rare opportunity to work on an architecture being built from the ground up, driving the launch of new, transformative digital processes for a major financial institution.
#SoftwareEngineer #LeadEngineer #FullStackDeveloper #React #NodeJS #AWS #SPA #BFF #RPA #Kubernetes #GreenwoodVillageJobs #ColoradoJobs #HybridWork #Contract
Senior Insights Developer
Software engineering internship job in Englewood, CO
Our client, an industry leader in telecommunications, has an excellent opportunity for a Senior Insights Developer to work on a 12+ month contract opportunity. Work will be a hybrid on-site/remote schedule in Englewood, CO. The Senior Insights Developer will lead projects to create automated dashboards, covering all phases throughout the entire development cycle (design to production) by utilizing ETL, data analysis, and data visualization skills.
Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $70 - $78 / hr. w2
Responsibilities:
Collaborate with stakeholders to gather and document requirements, assessing the feasibility of analysis projects.
Extract, analyze, and interpret data from various sources using statistical techniques, providing actionable insights and reporting.
Capture and document requirements in Jira, ensuring clarity and alignment with business objectives.
Review and validate solutions to ensure they meet specified requirements and business needs.
Respond to data inquiries from internal teams, providing timely and accurate information.
Work daily within the AWS environment, utilizing tools such as EMR, Lambda, S3, Step Functions, and Athena to manage and analyze data.
Requirements:
Bachelor's degree in Computer Science or equivalent
Advanced knowledge of SQL, with a focus on big data environments.
Proven experience with business intelligence solutions and the development lifecycle.
Proficiency in data visualization tools, particularly Tableau.
Hands-on experience with AWS services.
Experience with Python or PySpark is advantageous.
Familiarity with Hadoop ecosystems.
Strong relationship-building and collaboration skills, especially in cross-functional teams.
Effective communication skills, both written and verbal, with the ability to create concise and impactful presentations tailored to specific audiences.
Experience in leveraging and reconciling data across multiple source systems.
Translate business requirements into SQL queries and understand existing SQL code.
Strong analytical skills, creativity in problem-solving, and attention to detail.
Experience with ad hoc queries, data analysis development, and SQL development.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact ********************.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
JOB ID: JN -112025-104380
Senior Principal Software Cloud Architect (Onsite)
Software engineering internship job in Denver, CO
2025-10-28
Country:
United States of America Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance:
TS/SCI - Current
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.
In this role, you will join a small, highly-focused team working to develop and maintain signal processing applications for use in a real-time operational environment. The team members are multi-disciplined and contribute across all phases of systems engineering, software development, integration and test, and metrics. The team works closely with operations personnel to meet unique and continuously changing development needs.
What You Will Do
Lead program's baseline modernization efforts.
Provide technical direction and design to software agile development teams, and other engineering personnel.
Mentor and guide senior and junior engineers.
Generate software cost and schedule estimates to support future development bids using techniques such as parametric analysis of Sourced Lines of Code (SLOC), hours, or other metrics.
What You Will Learn
Modern DevSecOps and Continuous Integration/Continuous Delivery techniques.
Software lifecycle practices on defense projects.
Advance software technologies.
Qualifications You Must Have
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
Experience as a Software Architect.
Experience developing software using Java or C++.
Experience with cloud environments and Kubernetes.
Experience with message brokers such as RabbitMQ, ActiveMQ, or Kafka.
Active and transferable Top Secret U.S. government issued security clearance is required prior to start date with the ability to obtain a TS/SCI prior to start date. U.S. Citizenship is required as only U.S. Citizens are eligible for a clearance.
Qualifications We Prefer
Experience with enterprise integration patterns.
Experience with System Engineering processes such as requirements management, use case development, and trade studies.
Experience with Cameo Modeling using Systems Modeling Language (SysML).
Experience with the SAFe Agile software development methodology.
Experience with SIGINT, Digital Communication, or digital signal processing software development.
Experience programming solutions in C++, Java
What We Offer
Whether you're just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care.
Relocation Eligibility - Relocation assistance is available.
Learn More & Apply Now!
Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
Aurora, CO: Aurora, CO: Are RTX
#LI-Onsite
#LI-HS30
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 124,000 USD - 250,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
RTX is an Equal Opportunity Employer. xevrcyc All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
Privacy Policy and Terms:
Click on this link to read the Policy and Terms
Sr UI Software Engineer
Software engineering internship job in Boulder, CO
Job Title: Senior UI Software Engineer (On Site)
No C2C Offers please. Candidates must be able to work in the US without a sponsor.
Our client is engineering a next-generation Work Orchestration platform-one that transforms complex organizational processes into clear, intuitive, action-driven experiences. Their UI and UX are central to that mission. They develop their front end using WiseJ, enabling engineers to build rich, enterprise interfaces entirely in C# and .NET-with strongly typed code, centralized controls , and without the typical bloat of sprawling JavaScript frameworks and constantly shifting third-party libraries. Their engineering team is supported by a world-class, fully-managed Figma Design System, including design tokens, responsive variants, and component-compliant wireframes and prototypes. This gives engineers a complete, consistent UI blueprint-freeing them to focus on architecture, performance, and behavior rather than recreating UI patterns from scratch. If you want to build beautifully engineered, large-scale UI systems in an environment designed for clarity and craftsmanship, Nexee is the place.
Position Overview: We are seeking a Senior UI Software Engineer to lead development of a an enterprise-grade interface. You will architect highly interactive, intelligent User Interfaces using a unified .NET and WiseJ stack, while collaborating closely with product and design to deliver a first-class user experience.
Key Responsibilities
โข Architect and implement high-performance user interfaces using WiseJ, C#, and .NET, with a strongly typed and unified codebase.
โข Translate Figma design system components, wireframes, and prototypes directly into consistent, pixel-aligned engineering implementations.
โข Develop adaptive layouts, multi-panel interfaces, drag-and-drop tools, and other advanced interaction patterns for enterprise-scale use cases.
โข Maintain clean, composable, reusable UI architecture that avoids unnecessary libraries and minimizes complexity.
โข Collaborate with UX, product, and backend engineering to ensure seamless integration across all system layers.
โข Contribute to UI standards, internal tooling, code quality, and mentorship of other engineers.
โข Team management experience.
Qualifications Required
โข Bachelor's in Computer Science, Engineering, or related field.
โข 6-10+ years of UI engineering experience with complex, data-heavy, or enterprise platforms.
โข Strong proficiency in C#, .NET, Visual Studio, and object-oriented UI development.
โข Experience designing and shipping real-time, component-driven UI systems.
โข Deep understanding of UI architecture, state management, and interaction modeling.
Preferred (Not Required)
โข Experience with WiseJ or other server-managed UI frameworks.
โข Experience working with structured Figma design systems, including tokens, variants, and engineering-aligned prototypes.
โข Background building reusable UI component libraries and internal platform frameworks.
โข Familiarity with distributed systems, real-time data and workflow automation tools.
Why this job?
โข Competitive salary and benefits
โข Collaborative, high-talent, on-site engineering culture in Boulder, CO
โข A unified, strongly typed UI stack-no fractured front-end layers
โข Direct influence over a platform designed for massive scale
โข A culture that values clarity, simplicity, craftsmanship, and deep work How to
โข Competitive salary and benefits.
โข A flexible and dynamic work environment.
โข Opportunities for professional growth and development.
โข A culture that values work-life balance.
โข The chance to be part of a transformative enterprise solution.
Senior/Lead Software Developer (Rust)
Software engineering internship job in Denver, CO
Job Title: Senior/Lead Software Developer (Rust)
Job Type: CTH or FTE
Responsibilities:
We are looking for a Senior/Lead Software Engineer for our team, which focuses on creating storage solutions for the most data-intensive workloads. The role will focus on the EMF framework which handles deployment, management and monitoring platform for an HPC Filesystem. EMF is written fully in Rust. The ideal candidate will have experience designing, implementing, and shipping software using modern development tooling and practices.
Responsibilities for this role include but are not limited to:
Software design and development for new features and maintenance of existing features.
Analysis of bug reports and development of software fixes on multiple platforms.
Work with the Engineering manager and a geographically distributed team to understand product requirements and features.
Contribute to and validate product documentation.
Assist with performance tuning of features for specific environments and use-cases.
Qualifications:
BS/MS in Computer Science, Computer Engineering or equivalent degree/experience.
10+ years of software development experience in Linux environments with Rust, C/C++, Bash scripting, or similar.
10+ years of modern full-stack software development experience including WebAssembly, CSS and HTML preferred.
Linux sysadmin experience valuable
Strong team player with good communication skills and should be self-starter.
Excellent time management skills, with the ability to prioritize, multitask, and work under deadlines in a fast-paced environment.
Experience with JIRA, Jenkins, Gerrit, Git, and Github preferred.
Prior experience working with enterprise-class or HPC storage systems and/or distributed systems a bonus
About Maxonic:
Since 2002 Maxonic has been at the forefront of connecting candidate strengths to client challenges. Our award winning, dedicated team of recruiting professionals are specialized by technology, are great listeners, and will seek to find a position that meets the long-term career needs of our candidates. We take pride in the over 10,000 candidates that we have placed, and the repeat business that we earn from our satisfied clients.
Interested in Applying?
Please apply with your most current resume. Feel free to contact Suji Chandran (**************** / *************** for more details.
Systems Software Engineer
Software engineering internship job in Denver, CO
Now Hiring: Systems Software Engineer II
๐ Denver
,
Colorado | ๐ฐ
$108,000 - $135,000 per year
๐ข About the Role
We're looking for an experienced Systems Software Engineer II to join Sunbelt Controls, a leading provider of Building Automation System (BAS) solutions across the Western U.S.
In this role, you'll develop and program databases, create custom graphics, and integrate control systems for smart buildings. You'll also support project startups, commissioning, and troubleshooting - working closely with project managers and engineers to deliver high-quality, energy-efficient building automation solutions.
If you have a passion for technology, problem-solving, and helping create intelligent building systems, this opportunity is for you.
โ๏ธ What You'll Do
Design and program BAS control system databases and graphics for assigned projects.
Lead the startup, commissioning, and troubleshooting of control systems.
Work with networked systems and diagnose LAN/WAN connectivity issues.
Perform pre-functional and functional system testing, including LEED and Title 24 requirements.
Manage project documentation, including as-builts and commissioning records.
Coordinate with project teams, subcontractors, and clients for smooth execution.
Mentor and support junior Systems Software Engineers.
๐ง What We're Looking For
2-5 years of experience in Building Automation Systems or a related field.
Associate's degree in a technical field (Bachelor's in Mechanical or Electrical Engineering preferred).
Proficiency in MS Office, Windows, and basic TCP/IP networking.
Strong organizational skills and the ability to manage multiple priorities.
Excellent communication and customer-service skills.
Valid Colorado driver's license.
๐ Why You'll Love Working With Us
At Sunbelt Controls, we don't just build smart buildings - we build smart careers. As a 100% employee-owned company (ESOP), we offer a supportive, growth-oriented environment where innovation and teamwork thrive.
What we offer:
Competitive salary: $108K - $135K, based on experience
Employee-owned company culture with a family-oriented feel
Comprehensive health, dental, and vision coverage
Paid time off, holidays, and 401(k)/retirement plan
Professional growth, mentorship, and ongoing learning opportunities
Veteran-friendly employer & Equal Opportunity workplace
๐ About Sunbelt Controls
Sunbelt Controls is a premier BAS solutions provider serving clients across multiple industries, including data centers, healthcare, education, biotech, and commercial real estate. We specialize in smart building technology, system retrofits, analytics, and energy efficiency - helping clients reduce operational costs and achieve sustainable performance.
๐ Apply today to join a team that's shaping the future of intelligent buildings.
#Sunbelt #BuildingAutomation #SystemsEngineer #HVACControls #BASCareers
Sr. Software Engineer - Java
Software engineering internship job in Louisville, CO
Title: Java Developer
Duration:Direct-hire
Salary range: Up to $150,000
This role focuses on building scalable, secure, and high-performing applications within a modern cloud-based environment. The developer will contribute to the design, implementation, and improvement of backend services, integrations, and system components. The ideal candidate is strong in Java, experienced with AWS tools, and comfortable working in an Agile setting. This position collaborates closely with cross-functional teams, supports high-impact technical initiatives, and helps shape best practices across the development lifecycle.
Responsibilities
Develop and maintain reliable, efficient backend services and software components.
Participate in solution design for complex features and enhancements, ensuring adherence to engineering standards and control requirements.
Troubleshoot issues across systems, identify root causes, and propose broad-reaching improvements.
Work closely with product, QA, and architecture teams to deliver high-quality functionality.
Contribute to documentation, design discussions, and code reviews.
Support Agile workflows and contribute to continuous improvement efforts.
Apply strong understanding of system interactions, integrations, and data flows to ensure seamless functionality.
Promote best practices for performance, scalability, and resiliency.
Skills
8-10+ years of professional Java development experience.
Deep experience with Java/J2EE technologies.
Strong AWS knowledge (EC2, S3, Lambda, SNS/SQS, etc.).
Experience with databases such as MongoDB, MySQL, or ElasticSearch.
Familiarity with event-driven design or rules engines.
Knowledge of scalable system design concepts and architecture patterns.
Prior experience in Agile/Scrum environments.
Excellent problem-solving skills and ability to manage multiple priorities.
Strong communication and collaboration capabilities.
Desired Skills and Experience
Skills
8-10+ years of professional Java development experience.
Deep experience with Java/J2EE technologies.
Strong AWS knowledge (EC2, S3, Lambda, SNS/SQS, etc.).
Experience with databases such as MongoDB, MySQL, or ElasticSearch.
Familiarity with event-driven design or rules engines.
Knowledge of scalable system design concepts and architecture patterns.
Prior experience in Agile/Scrum environments.
Excellent problem-solving skills and ability to manage multiple priorities.
Strong communication and collaboration capabilities.
All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance. For unincorporated Los Angeles county, to the extent our customers require a background check for certain positions, the Company faces a significant risk to its business operations and business reputation unless a review of criminal history is conducted for those specific job positions.
Senior Software Engineer
Software engineering internship job in Greenwood Village, CO
About the Role: This role is a Senior .NET Full Stack Developer for a client of ours in the tech solutions space. Looking for someone with 5+ full stack development.
Required Skills:
Bachelor's Degree in IT, Computer Science, or similar
5+ years of full stack development using .NET (C#) frameworks
NoSQL experience
AWS and / or Azure experience
About the Company:
Our client in the tech solutions space is a small but growing company based in Colorado. They have a superior software product and are continuing to grow at a rapid pace. They work hard and have an excellent culture.
Senior Back-End Software Engineer (Golang)
Software engineering internship job in Denver, CO
We currently have multiple, full-time direct hire, Senior Software Engineering roles with a customer in Denver within one of the fastest growing global industries. Please reach out for more details! Qualifications
Previously worked on high throughput and low latency systems.
Experience in coaching and mentoring in technical subject areas.
Ability to prioritize people and conversations over process.
Previously thrived in a fast-paced agile environment.
An aptitude and enjoyment in learning new technologies.
Commercial experience using GCP with Kubernetes.
Experience Microservice development, ideally with Golang, Rust, or equivalent.
Knowledge of React and Typescript.
Exposure to C#, .net, MSSQL and/or WPF.
Experience in a delivery focused culture.
...
Senior Java Software Engineer
Software engineering internship job in Denver, CO
Java Developer with Surescript
We are seeking a highly skilled Java Developer with strong expertise in Microservices and Spring Boot. The ideal candidate should have a solid understanding of cloud modernization practices and some exposure to mobile development (iOS or Android).
Key Responsibilities:
Design, develop, and maintain scalable Java-based applications using Spring Boot and Microservices architecture.
Contribute to cloud modernization initiatives, including migration and optimization of existing platforms.
Collaborate with cross-functional teams to deliver high-quality software solutions.
Participate in code reviews, troubleshooting, and performance tuning.
Work closely with mobile development teams to ensure seamless integration across platforms.
Required Skills:
Strong hands-on experience with Java, Spring Boot, and Microservices.
Good understanding of cloud platforms (Azure, or GCP).
Knowledge or experience in iOS or Android application development.
Familiarity with CI/CD pipelines, RESTful APIs, and containerization (Docker/Kubernetes).
Excellent problem-solving and communication skills.
Java 21 with minimum 7 years' experience.
Preferred Qualifications:
Experience in cloud migration or modernization projects.
Exposure to DevOps tools and practices.
Bachelor's degree in Computer Science, Engineering, or a related field.
2026 Software Engineer Intern
Software engineering internship job in Centennial, CO
Chatham Financials' Summer Internship Program offers a dynamic and immersive experience for aspiring technology professionals. This is your opportunity to gain hands-on software engineering experience in a leading finance and technology firm while contributing to projects that drive our business forward.
As a Software Engineering Intern at Chatham, you will be immersed in a collaborative team environment where you'll work alongside experienced engineers on cutting-edge products. Whether you're developing new features, optimizing systems, or solving complex problems, you'll play a key role in shaping the future of finance through technology.
Our technology team is made up of a team of Software Engineers, Quality Engineers, DevOps Engineers, Security Engineers, UX Designers, and Quantitative Analysts . We build software for our clients that range across multiple sectors and industries as well as tools for our internal users to help them better serve our clients. Our team is a global team located in four different countries and multiple time zones. We interact daily with each other as well as our key business stakeholders to ensure quality and speedy delivery of our product offerings.
What You'll do:
Assist with developing cutting-edge financial applications; develop innovative, high-quality, and robust cloud-native SaaS web applications and micro services as part of our growing application development team.
Be a member of an agile scrum team that owns development of a specific product or platform.
Collaborate with other software engineering teams, design team, quant team, product owners and managers, and business stakeholders, while working on intern project.
Develop software in our technology stack, which is constantly evolving but currently includes .NET, React,, TypeScript, SQL Server, RabbitMQ Redis, and a variety of Microsoft Azure services.
Build automated unit, integration and front-end tests using xUnit, Moq, NSubstitute and Playwright among other technologies.
Implement the build, test, deploy development cycle in CI/CD pipelines using Docker, YAML, Terraform, Github Actions, and Azure services
Use AI workflows and AI coding assistants as peers and collaborators to help you deliver the best technology solutions for Chatham
What You'll Need:
Working towards Bachelor's Degree in Computer Science, Mathematics, Physics, Engineering, or equivalent practical experience.
1-2 years of experience preferred
Experience with object-oriented languages such as C#, C++ or Java
Experience with JavaScript and JavaScript frameworks (e.g. React)
Experience with relational databases such as Microsoft SQL Server, Oracle or MySQL
Understanding of Unit testing, Test-Driven Development and mocking frameworks
Understanding of continuous delivery principles and processes
Understanding of REST principles, Service-oriented architecture, and API development
Understanding of continuous delivery principles and processes
Proclivity towards refactoring and continuously improving OO code through agile development methods.
Open-source development projects.
Contributions to the local developer community.
Quantitative and modeling skills with an ability to learn techniques in numerical optimization, data mining, simulation, or model calibration.
This role offers flexibility and is eligible for a hybrid work arrangement.
Why Chatham Financial:
Chatham Financial is the largest independent financial risk management advisory and technology firm. A leader in debt and derivative solutions, Chatham provides clients with access to in-depth knowledge, innovative tools, and an incomparable team of over 700 employees to help mitigate risks associated with interest rate, foreign currency, and commodity exposures. Founded in 1991, Chatham serves more than 3,500 companies across a wide range of industries - handling over $1 trillion in transaction volume annually and helping businesses maximize their value in the capital markets, every day. To learn more, visit chathamfinancial.com.
Chatham Financial offers an entrepreneurial culture that rewards teamwork and innovation. We seek individuals who are natural leaders, quick learners, and fit our collaborative culture. Join us to develop your fullest potential, impact our clients and community, and kickstart your career in finance.
Apply now and become a part of Chatham Financial's legacy of excellence and innovation!
Applicants must be currently enrolled in an undergraduate or graduate academic program at the Junior or Senior level.
The internship will begin on June 1, 2026, and run through August 7, 2026.
For Colorado based candidates, the compensation range for the position is expected to be between $27.00 - $30.00 per hour.
Auto-ApplyPost-Undergraduate/Graduate (Year-Round) Software Engineering Intern for Grid Modeling Applications
Software engineering internship job in Golden, CO
**Posting Title** Post-Undergraduate/Graduate (Year-Round) Software Engineering Intern for Grid Modeling Applications . . Type** Intern (Fixed Term) . **Hours Per Week** 40 . **Working at NLR** NLR is located at the foothills of the Rocky Mountains in Golden, Colorado is the nation's primary laboratory for energy systems research and development.
Join the National Laboratory of the Rockies (NLR), where world-class scientists, engineers, and experts are accelerating energy innovation through breakthrough research and systems integration. From our mission to our collaborative culture, NLR stands out in the research community for its commitment to an affordable and secure energy future. Spanning foundational science to applied systems engineering and analysis, we focus on solving complex challenges to deliver advanced, secure, reliable, and cost-effective energy solutions. Our work helps strengthen U.S. industries, support job creation, and promote national economic growth.
At NLR, you'll find a mission-driven environment supported by state-of-the-art facilities, multidisciplinary research teams, and strong collaborations with industry, academia, and other national laboratories. We offer robust professional development opportunities, and a competitive benefits package designed to support your career and well-being.
**Job Description**
Ready to build software that powers the future? The National Laboratory of the Rockies (NLR) is looking for a creative and driven intern to join our Application Development team. This isn't your average internship; you'll be writing code that helps researchers, policymakers, and industry leaders solve some of the world's most pressing energy challenges.
This role focuses on turning complex scientific models and data into robust, user-friendly software applications. You'll work alongside world-class scientists and software engineers to design, develop, and deploy tools that analyze and visualize the future of energy. If you have a passion for elegant code and an interest in making a real-world impact, we want to hear from you. Your work will contribute to the open source Sienna Tool which was developed by NLR NREL-Sienna ยท GitHub (******************************* .
The primary programming language for this project will be **Julia** , known for its high performance in scientific computing.
**Primary Responsibilities**
+ Contribute to the full software development lifecycle, from design and prototyping to testing and deployment of applications in the Sienna platform.
+ Develop new features for existing energy analysis applications and libraries.
+ Collaborate with researchers take technical specifications and translate them into code.
+ Write documentation and unit tests to ensure code quality and maintainability.
+ Participate in code reviews and team meetings, actively contributing to our agile development process.
**Submission Guidelines**
To be considered, please submit your resume and links to your GitHub profile and a portfolio showcasing your best work. The portfolio can include web apps, desktop tools, data analysis projects, or significant contributions to open-source software.
.
**Basic Qualifications**
Must be enrolled as a full-time student in a Bachelor's, Master's or PhD degree program, or graduated in the past 12 months from an accredited institution. Candidates who have earned a degree may work for a period not to exceed 12 months. Must have a minimum of a 3.0 cumulative grade point average.
Please Note:
-You will need to upload official or unofficial school transcripts as part of the application process.
-If selected for position, a letter of recommendation will be required as part of the hiring process.
*** Must meet educational requirements prior to employment start date.**
**Additional Required Qualifications**
+ Completed a Bachelor's or Master's degree in Computer Science, Data Science, Software Engineering, Applied Mathematics, or a related field, or currently enrolled in a master's or PhD program in these fields
+ Demonstrated proficiency in at least one modern programming language (e.g., Julia or Python
+ Solid understanding of core computer science principles and software engineering practices
+ Experience using Git and GitHub for version control
+ A link to a GitHub profile and a portfolio of software projects or applications is required for consideration
+ Excellent problem-solving and communication skills
**Preferred Qualifications**
+ Experience with web application development tools (OpenAPI, ZeroMQ, Docker Container, etc.)
+ Knowledge of software development best practices like CI/CD and automated testing
+ A strong interest in power systems
.
**Job Application Submission Window**
The anticipated closing window for application submission is up to 30 days and may be extended as needed.
**Annual Salary Range (based on full-time 40 hours per week)**
Job Profile: / Annual Salary Range: $50,200 - $80,300
NLR takes into consideration a candidate's education, training, and experience, expected quality and quantity of work, required travel (if any), external market and internal value, including seniority and merit systems, and internal pay alignment when determining the salary level for potential new employees. In compliance with the Colorado Equal Pay for Equal Work Act, a potential new employee's salary history will not be used in compensation decisions.
**Benefits Summary**
Benefits include medical, dental, and vision insurance; 403(b) Employee Savings Plan with employer match*; and sick leave (where required by law). NLR employees may be eligible for, but are not guaranteed, performance-, merit-, and achievement- based awards that include a monetary component. Some positions may be eligible for relocation expense reimbursement. Internships projected to be less than 20 hours per week are not eligible for medical, dental, or vision benefits.
***** Based on eligibility rules
**Badging Requirement**
NLR is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background investigation. Intern assignments extending beyond six months will be subject to this requirement.
**Drug Free Workplace**
NLR is committed to maintaining a drug-free workplace in accordance with the federal Drug-Free Workplace Act and complies with federal laws prohibiting the possession and use of illegal drugs. Under federal law, marijuana remains an illegal drug.
If you are offered employment at NLR, you must pass a pre-employment drug test prior to commencing employment. Unless prohibited by state or local law, the pre-employment drug test will include marijuana. If you test positive on the pre-employment drug test, your offer of employment may be withdrawn.
**Submission Guidelines**
Please note that in order to be considered an applicant for any position at NLR you must submit an application form for each position for which you believe you are qualified. Applications are not kept on file for future positions. Please include a cover letter and resume with each position application.
.
**Equal Opportunity Employer**
All qualified applicants will receive consideration for employment without regard basis of age (40 and over), color, disability, gender identity, genetic information, marital status, domestic partner status, military or veteran status, national origin/ancestry, race, religion, creed, sex (including pregnancy, childbirth, breastfeeding), sexual orientation, and any other applicable status protected by federal, state, or local laws.
**Reasonable Accommodations (*******************************************************
**E** **-Verify** ************************ **For information about right to work, click here (************************************************************************************************** for English or** **here (************************************************ for Spanish.**
E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.
The National Laboratory of the Rockies (NLR) is a leader in the U.S. Department of Energy's effort to secure an environmentally and economically sustainable energy future. With locations in Golden and Boulder, Colorado, and a satellite office in Washington, D.C., NLR is the primary laboratory for research, development, and deployment of renewable energy technologies in the United States.
NLR is subject to Department of Energy (DOE) access restrictions. All candidates must be authorized to access the facility per DOE rules and guidance within a reasonable time frame for the specified position in order to be considered for an interview and for hiring. DOE rules for site access during the interview process depend on whether the candidate is interviewed on-site, off-site, or via telephone or videoconference. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background investigation. Additionally, DOE contractor employees are prohibited from participating in certain Foreign Government Talent Recruitment Programs (FGTRPs). If a candidate is currently participating in an FGTRP, they will be required to disclose their participation after receiving an offer of employment and may be required to disengage from participation in the FGTRP prior to commencing employment. Any offer of employment is conditional on the ability to obtain work authorization and to be granted access to NLR by the Department of Energy (DOE).
**Drug Free Workplace**
NLR is committed to maintaining a drug-free workplace in accordance with federal Drug-Free Workplace Act and complies with federal laws prohibiting the possession and use of illegal drugs. Under federal law, marijuana remains an illegal drug.
If you are offered employment at NLR, you must pass a pre-employment drug test prior to commencing employment. Unless prohibited by state or local law, the pre-employment drug test will include marijuana. If you test positive on the pre-employment drug test, your offer of employment may be withdrawn.
Please review the information on our Hiring Process (************************************************* website before you create an account and apply for a job. We also hope you will learn more about NLR (**************************** , visit our Careers site (****************************** , and continue to search for job opportunities (**************************************** at the lab.
Post-Undergraduate/Graduate (Year-Round) Software Engineering Intern for Grid Modeling Applications
Software engineering internship job in Golden, CO
Posting TitlePost-Undergraduate/Graduate (Year-Round) Software Engineering Intern for Grid Modeling Applications
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TypeIntern (Fixed Term)
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Hours Per Week40
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Working at NLRNLR is located at the foothills of the Rocky Mountains in Golden, Colorado is the nation's primary laboratory for energy systems research and development.
Join the National Laboratory of the Rockies (NLR), where world-class scientists, engineers, and experts are accelerating energy innovation through breakthrough research and systems integration. From our mission to our collaborative culture, NLR stands out in the research community for its commitment to an affordable and secure energy future. Spanning foundational science to applied systems engineering and analysis, we focus on solving complex challenges to deliver advanced, secure, reliable, and cost-effective energy solutions. Our work helps strengthen U.S. industries, support job creation, and promote national economic growth.
At NLR, you'll find a mission-driven environment supported by state-of-the-art facilities, multidisciplinary research teams, and strong collaborations with industry, academia, and other national laboratories. We offer robust professional development opportunities, and a competitive benefits package designed to support your career and well-being.
Job Description
Ready to build software that powers the future? The National Laboratory of the Rockies (NLR) is looking for a creative and driven intern to join our Application Development team. This isn't your average internship; you'll be writing code that helps researchers, policymakers, and industry leaders solve some of the world's most pressing energy challenges.
This role focuses on turning complex scientific models and data into robust, user-friendly software applications. You'll work alongside world-class scientists and software engineers to design, develop, and deploy tools that analyze and visualize the future of energy. If you have a passion for elegant code and an interest in making a real-world impact, we want to hear from you. Your work will contribute to the open source Sienna Tool which was developed by NLR NREL-Sienna ยท GitHub.
The primary programming language for this project will be Julia, known for its high performance in scientific computing.
Primary Responsibilities
Contribute to the full software development lifecycle, from design and prototyping to testing and deployment of applications in the Sienna platform.
Develop new features for existing energy analysis applications and libraries.
Collaborate with researchers take technical specifications and translate them into code.
Write documentation and unit tests to ensure code quality and maintainability.
Participate in code reviews and team meetings, actively contributing to our agile development process.
Submission Guidelines
To be considered, please submit your resume and links to your GitHub profile and a portfolio showcasing your best work. The portfolio can include web apps, desktop tools, data analysis projects, or significant contributions to open-source software.
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Basic QualificationsMust be enrolled as a full-time student in a Bachelor's, Master's or PhD degree program, or graduated in the past 12 months from an accredited institution. Candidates who have earned a degree may work for a period not to exceed 12 months. Must have a minimum of a 3.0 cumulative grade point average.
Please Note:
โขYou will need to upload official or unofficial school transcripts as part of the application process.
โขIf selected for position, a letter of recommendation will be required as part of the hiring process.
* Must meet educational requirements prior to employment start date.
Additional Required Qualifications
Completed a Bachelor's or Master's degree in Computer Science, Data Science, Software Engineering, Applied Mathematics, or a related field, or currently enrolled in a master's or PhD program in these fields
Demonstrated proficiency in at least one modern programming language (e.g., Julia or Python
Solid understanding of core computer science principles and software engineering practices
Experience using Git and GitHub for version control
A link to a GitHub profile and a portfolio of software projects or applications is required for consideration
Excellent problem-solving and communication skills
Preferred Qualifications
Experience with web application development tools (OpenAPI, ZeroMQ, Docker Container, etc.)
Knowledge of software development best practices like CI/CD and automated testing
A strong interest in power systems
.
Job Application Submission Window
The anticipated closing window for application submission is up to 30 days and may be extended as needed.
Annual Salary Range (based on full-time 40 hours per week) Job Profile: / Annual Salary Range: $50,200 - $80,300
NLR takes into consideration a candidate's education, training, and experience, expected quality and quantity of work, required travel (if any), external market and internal value, including seniority and merit systems, and internal pay alignment when determining the salary level for potential new employees. In compliance with the Colorado Equal Pay for Equal Work Act, a potential new employee's salary history will not be used in compensation decisions.
Benefits SummaryBenefits include medical, dental, and vision insurance; 403(b) Employee Savings Plan with employer match*; and sick leave (where required by law). NLR employees may be eligible for, but are not guaranteed, performance-, merit-, and achievement- based awards that include a monetary component. Some positions may be eligible for relocation expense reimbursement. Internships projected to be less than 20 hours per week are not eligible for medical, dental, or vision benefits.
* Based on eligibility rules
Badging RequirementNLR is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background investigation. Intern assignments extending beyond six months will be subject to this requirement.Drug Free Workplace
NLR is committed to maintaining a drug-free workplace in accordance with the federal Drug-Free Workplace Act and complies with federal laws prohibiting the possession and use of illegal drugs. Under federal law, marijuana remains an illegal drug.
If you are offered employment at NLR, you must pass a pre-employment drug test prior to commencing employment. Unless prohibited by state or local law, the pre-employment drug test will include marijuana. If you test positive on the pre-employment drug test, your offer of employment may be withdrawn.
Submission Guidelines
Please note that in order to be considered an applicant for any position at NLR you must submit an application form for each position for which you believe you are qualified. Applications are not kept on file for future positions. Please include a cover letter and resume with each position application.
.
Equal Opportunity Employer
All qualified applicants will receive consideration for employment without regard basis of age (40 and over), color, disability, gender identity, genetic information, marital status, domestic partner status, military or veteran status, national origin/ancestry, race, religion, creed, sex (including pregnancy, childbirth, breastfeeding), sexual orientation, and any other applicable status protected by federal, state, or local laws.
Reasonable Accommodations
E-Verify ******************** For information about right to work, click here for English or here for Spanish.
E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.
Auto-ApplySummer Intern - Software Engineering - Quality Assurance
Software engineering internship job in Golden, CO
Creating Peace of Mind by Pioneering Safety and Security
At Allegion, we help keep the people you know and love safe and secure where they live, work and visit. With more than 30 brands, 12,000+ employees globally and products sold in 130 countries, we specialize in security around the doorway and beyond. Additionally, in 2024 we were awarded the Gallup Exceptional Workplace Award, which recognizes the most engaged workplace cultures in the world.
Summer Intern - Software Engineering - Quality Assurance
Allegion is seeking a highly motivated individual for a Software Quality Assurance Internship. At Allegion, our software teams are focused on building great software that allows our IoT enabled security hardware to do amazing things. In this role you will have the opportunity to do automation testing either on mobile (Android/iOS), API / Microservices, or Web applications. You will also be exposed to AWS/Azure infrastructure, DevOps, and other tools and technologies that we use to build best in class solutions.
If you love fun, technically challenging work and want to take our software to the next level, please apply today!
What You Will Do:
Translate functional requirements and acceptance criteria into a detailed verification test plan and test scripts ensuring comprehensive test coverage.
Contribute to existing automated testing frameworks that will ultimately reduce defects, improve quality, and enable the delivery of high-quality software faster.
Run automated tests in pipelines using Azure DevOps, Gitlab, CircleCI or other similar tools.
Obtain the experience to create a foundation for growth and future opportunities with Allegion.
Collaborate with Product Management and Software Development Teams throughout the development process.
What You Need to Succeed:
Pursuing a degree in Computer Science, Computer Engineering, or relevant discipline.
Strong knowledge of at least one programming language like Python, C#, Java Script, Type script etc.
Resiliency and ability to adapt quickly.
Ability to work independently and as a team player.
Effective listening, time management and creative problem-solving techniques
A desire to learn, grow and develop by working on projects that will impact Allegion's business and customers
Regardless of your degree, Allegion is a great place to begin your career.
You should consider starting your career with us if:
You share our vision of seamless access and a safer world
You share our purpose of creating peace of mind by pioneering safety & security
You want to build a robust network of experienced and talented professionals
You want to work for an industry leader and alongside a team of experts
You are eager to take initiative and take ownership of exciting projects
You are ready to embrace the Allegion culture and values and develop lifelong connections with your teammates
What You'll Get From Us:
An opportunity to be a part of a dedicated team that collaborates on real, hands-on projects
Professional Growth through exposure to our executive team, leadership-led lunch & learn sessions and mentor/mentee relationships
Meaningful time to network and get to know your peers through Allegion sponsored activities hosted by the Talent Attraction Team
Compensation: This range is provided by Allegion. Your actual pay will be based on your skills and experience.
The expected Base Hourly Wage: $25-$26 per hour. The actual compensation will be determined based on experience and other factors permitted by law.
Apply Today
Join our team of experts today and help us make tomorrow's world a safer place!
Not sure if your experience perfectly aligns with the role? Studies have shown that some people are less likely to apply to jobs unless they meet every single qualification and every single preferred qualification of a job posting. At Allegion, we are dedicated to building a diverse, inclusive, and authentic workplace. So, if you're excited about this role but your past experience doesn't align perfectly with every item in the job description, we encourage you to apply anyway. You may be just the right candidate for this role.
We Celebrate Who We Are!
Allegion is committed to building and maintaining a diverse and inclusive workplace. Together, we embrace all differences and similarities among colleagues, as well as the differences and similarities within the relationships that we foster with customers, suppliers and the communities where we live and work. Whatever your background, experience, race, color, national origin, religion, age, gender, gender identity, disability status, sexual orientation, protected veteran status, or any other characteristic protected by law, we will make sure that you have every opportunity to impress us in your application and the opportunity to give your best at work, not because we're required to, but because it's the right thing to do. We are also committed to providing accommodations for persons with disabilities. If for any reason you cannot apply through our career site and require an accommodation or assistance, please contact our Talent Acquisition Team.
ยฉ Allegion plc, 2023 | Block D, Iveagh Court, Harcourt Road, Dublin 2, Co. Dublin, Ireland
REGISTERED IN IRELAND WITH LIMITED LIABILITY REGISTERED NUMBER 527370
Allegion is an equal opportunity and affirmative action employer
Privacy Policy
Auto-ApplySoftware Engineer Intern, application via RippleMatch
Software engineering internship job in Denver, CO
This role is with RippleMatch's partner companies. RippleMatch partners with hundreds of companies looking to hire top talent.
About RippleMatch
RippleMatch is your AI-powered job matchmaker. Our platform brings opportunities directly to you by matching you with top employers and jobs you are qualified for. Tell us about your strengths and goals - we'll get you interviews! Leading employers leverage RippleMatch to build high-performing teams and Gen Z job seekers across the country trust RippleMatch to launch and grow their careers.
Requirements for the role
Currently pursuing a Bachelor's or Master's degree in Computer Science, Software Engineering, Information Technology, or a related field.
Strong foundation in programming languages such as Java, C#, Python, or JavaScript.
Understanding of basic software development methodologies (e.g., Agile, Scrum) and the software development lifecycle.
Familiarity with database concepts and basic SQL.
Interest in designing, coding, testing, and maintaining software applications.
Strong problem-solving skills and the ability to participate in debugging and technical challenges.
Good organizational and project management skills, with the ability to handle multiple tasks and deadlines.
Effective communication and interpersonal skills, essential for working collaboratively in a team environment.
Eagerness to learn new technologies and software development practices.
Analytical skills, with an aptitude for learning quickly and adapting to new programming environments.
Auto-ApplySoftware Support Engineer Internship- Summer 2026
Software engineering internship job in Highlands Ranch, CO
Software Support Engineer Intern- Summer 2026 US West Office (Highlands Ranch, CO)
We exist to transform our customers and change lives
Who we're looking for:
The Software Support Intern is responsible for collaborating and assisting our Developers resolve a wide range of technical software issues on our product by troubleshooting via telephone, email and/or remote session. A solid foundation in JavaScript is required.
The RF-SMART Internship Program exists to partner with students to equip them with the skills they need to become successful professionals while they complete meaningful work at RF-SMART, while supporting our mission of transforming our customers and changing lives.
Eligibility Requirements:
To be eligible for the RF-SMART Summer Internship Program, students must meet the following requirements:
Enrolled in a degree program at the time of the internship
Considered a Junior or Senior by credit hours
Available to work 40 hours per week on-site at US East Office in Jacksonville, FL or US West in Highlands Ranch, CO
Eligible to work in the United States of America for any employer without the need for future sponsorship
Details of the Program:
Duration: 5/12/2025 - 8/1/2025 (12 Weeks)
Hours: 40hrs per Week (9am-5pm Eastern Time)
Pay: $25 per Hour
Learning & Development Activities: Approximately 5-6hrs per Week of these activities including: Group Project, Meet the Leader Sessions, Mentorship Program, and classes focused on professional growth
Our Talent Acquisition Team will review all applications and reach out to qualified candidates with next steps.
Employer does not sponsor applicants for employment visa status (e.g. H-1B visa status).
General Information: The above noted job description is not intended to be an exhaustive list of all duties and responsibilities that may be assigned, but rather to give a general sense of the responsibilities and expectations of the job. As the nature of business demands change so, too, may the essential functions of this specific position and/or the skills and abilities required. RF-SMART is an Equal Employment Opportunity (EEO) employer.
A Word From Our CEO - Watch Now
Auto-ApplyEmbedded Software Engineering Intern - Summer 2026
Software engineering internship job in Arvada, CO
Job DescriptionSalary: $24.00 per hour
As an Embedded Software Engineering Intern at Lunar Outpost, you will be integral to developing, testing, and refining the embedded software on Lunar Outpost hardware. All interns will work directly alongside full-time engineers on real, engaging, and impactful projects, providing tangible value to Lunar Outpost products. This internship offers a truly end-to-end experience that promotes collaboration at every stage of autonomous robotic development.
Qualifications:
Pursuing a Bachelors or Master's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field
Experience in embedded development
Proficient in embedded C
Experience using version control tools such as Git
Experience with Continuous Integration/Continuous Deployment (CI/CD) pipeline
Proficiency in Microsoft Office Suite
Strong analytical and problem-solving skills, with attention to detail and the ability to work methodically in a fast-paced, dynamic environment
Can effectively demonstrate communication and interpersonal skills, while also excelling in collaboration and teamwork in an interdisciplinary environment
Exhibits strong organizational and time management skills under pressure and in stressful situations
Fueled by a passion for space exploration and the boundless possibilities beyond our world
Desired Qualifications:
Experience with real-time operating system (RTOS)
Experience working in a startup and/or aerospace environment
Experience with C++ and Python
Ability to test and analyze the performance of robotic platforms utilizing simulations and hardware-in-the-loop (HIL)
Knowledge of robotic systems, including perception, integration of various sensors, motors, and control systems
Experience with board bringup and peripherals such as GPIOs, SPI, ADC, UARTS, and I2C
Experience with NASA core flight software
Experience with Bitbucket
Experience working with FPGAs
Mid-May (May 18, 2026) to early August (August 7, 2026). Start and end dates are flexible with the intern's school schedule. In-person, Monday - Friday in Arvada, Colorado.
Lunar Outpost is an equal opportunity employer. We do not discriminate against protected characteristics (gender, age, sexual orientation, race, nationality, ethnicity, religion, disability, veteran status). We want all employees (including executives and HR) to treat others with respect and professionalism.
Flight Software Intern Summer 2026
Software engineering internship job in Littleton, CO
Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more - all with the goal of opening access space. The rockets and satellites we build, and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations.
Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
As a Flight Software Intern based at Rocket Lab's site in Littleton, Colorado, you will have the opportunity to support the MAX Flight Software team in designing and testing flight software. This includes the opportunity to enhance your testing abilities against emulated hardware.
WHAT YOU'LL GET TO DO
As an intern, you will work closely with your mentor and other employees within the department to apply your knowledge and grow your skills both technically and professionally
Work with a fast-paced group of professionals to apply engineering and industry concepts to solve real challenges
Attend frequent 1:1's with mentors and supervisors to facilitate success and learning while providing progress updates
Enjoy tech talks and network with other interns and employees through social and professional events
YOU'LL BRING THESE QUALIFICATIONS
Ideal candidates will thrive in ambiguity and are excited to work in small, high-performing teams that are focused on continued learning and growth. Success in this position will be measured by the knowledge and experience you bring to the role, your ability to lead development projects without supervision, and your ability to successfully collaborate across teams to deliver results.
Must be enrolled in a bachelor's, master's or doctorate degree program in Computer science, computer engineering, Aerospace Engineering or software engineering and have at least one semester of school remaining post internship
GPA of 3.0 or above
3+ months of applied engineering experience (internship, laboratory, and personal/team project experience is applicable)
THESE QUALIFICATIONS WOULD BE NICE TO HAVE
GPA of 3.5 or above
6+ months of applied engineering experience (internship, laboratory, and personal/team project experience is applicable)
Programming language experience: C, C++, Python, Rust
Experience with Git
ADDITIONAL REQUIREMENTS
Able to work full-time, on-site for a minimum of 12 consecutive weeks beginning May or June 2026.
COMPENSATION AND OTHER BENEFITS
Pay Range CO: $27.00 USD Hourly
You may be eligible for a stipend to subsidize relocation costs
The expected salary range for the position is displayed in accordance with the Colorado Equal Pay for Equal Work Act. Final agreed upon compensation is based upon individual qualifications and experience.
Base salary is only one part of Rocket Lab's compensation package for this role. You may be eligible for company stock, or cash incentives, and can purchase discounted stock through Rocket Lab's Employee Stock Purchase Program. Employee benefits also include medical, dental, and vision insurance coverage; 401(k) retirement plan options; paid vacation, holidays, and sick leave; paid parental leave; and other discounts and perks.
Base Pay Range (CO Only)$27-$27 USD
WHAT TO EXPECT
We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way.
Important information:
FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:
To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here.
Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.
Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at ***********************.This dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days.
FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY:
For security reasons background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations.
Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.
Auto-ApplyStaff Software Engineer - Filesystems and Data Protocols (C++)
Software engineering internship job in Denver, CO
Job Title: Staff Software Engineer - Filesystems and Data Protocols
Job Type: 6 mths CTH or Direct FTE, both okay.
Responsibilities:
We are looking for a highly skilled Staff Software Engineer with specialization in Filesystems and Data Protocols to join the team. In this pivotal role, you will design, develop, and optimize the core components of Infinia, Client's advanced distributed intelligent data platform.
You will leverage cutting-edge AI development and deployment tooling-prompt engineering, to reduce time-to-insight, accelerate delivery velocity for better Business outcomes.
Key Responsibilities:
Design and implement Data Orchestration layer on top of distributed Filesystem. This module will integrate Infinia on premise solution with multi cloud Data Services.
Design and enhance the core components of Infinia for high performance and scalability.
Own critical customer case escalations end-to-end, including deep root cause analysis and mitigation strategies.
Drive design discussions, build prototypes and contribute to deliver high quality products
Utilize AI-powered debugging, log analysis, and system pattern recognition tools to accelerate resolution.
Conduct code reviews and improve scalability, stability, reliability and performance of INFINIA solutions
Required Qualifications:
Bachelor's or master's degree in computer science, Software Engineering, or a related field.
8+ years of Data Storage and management, software engineering experience.
Strong expertise in C++
Preferred Skills:
Experience with cloud Data Storage services like AWS S3 or Google Cloud Storage (GCS).
Data movement, copy workflows: remote replication, cloud backup/restore
Experience with real-time data processing and streaming frameworks such as Apache Kafka.
Experience with Distributed systems
About Maxonic:
Since 2002 Maxonic has been at the forefront of connecting candidate strengths to client challenges. Our award winning, dedicated team of recruiting professionals are specialized by technology, are great listeners, and will seek to find a position that meets the long-term career needs of our candidates. We take pride in the over 10,000 candidates that we have placed, and the repeat business that we earn from our satisfied clients.
Interested in Applying?
Please apply with your most current resume. Feel free to contact Nina Schindler (**************** / ************** for more details.
Post-Undergraduate/Graduate (Year-Round) Software Engineering Intern for Grid Modeling Applications
Software engineering internship job in Boulder, CO
**Posting Title** Post-Undergraduate/Graduate (Year-Round) Software Engineering Intern for Grid Modeling Applications . . Type** Intern (Fixed Term) . **Hours Per Week** 40 . **Working at NLR** NLR is located at the foothills of the Rocky Mountains in Golden, Colorado is the nation's primary laboratory for energy systems research and development.
Join the National Laboratory of the Rockies (NLR), where world-class scientists, engineers, and experts are accelerating energy innovation through breakthrough research and systems integration. From our mission to our collaborative culture, NLR stands out in the research community for its commitment to an affordable and secure energy future. Spanning foundational science to applied systems engineering and analysis, we focus on solving complex challenges to deliver advanced, secure, reliable, and cost-effective energy solutions. Our work helps strengthen U.S. industries, support job creation, and promote national economic growth.
At NLR, you'll find a mission-driven environment supported by state-of-the-art facilities, multidisciplinary research teams, and strong collaborations with industry, academia, and other national laboratories. We offer robust professional development opportunities, and a competitive benefits package designed to support your career and well-being.
**Job Description**
Ready to build software that powers the future? The National Laboratory of the Rockies (NLR) is looking for a creative and driven intern to join our Application Development team. This isn't your average internship; you'll be writing code that helps researchers, policymakers, and industry leaders solve some of the world's most pressing energy challenges.
This role focuses on turning complex scientific models and data into robust, user-friendly software applications. You'll work alongside world-class scientists and software engineers to design, develop, and deploy tools that analyze and visualize the future of energy. If you have a passion for elegant code and an interest in making a real-world impact, we want to hear from you. Your work will contribute to the open source Sienna Tool which was developed by NLR NREL-Sienna ยท GitHub (******************************* .
The primary programming language for this project will be **Julia** , known for its high performance in scientific computing.
**Primary Responsibilities**
+ Contribute to the full software development lifecycle, from design and prototyping to testing and deployment of applications in the Sienna platform.
+ Develop new features for existing energy analysis applications and libraries.
+ Collaborate with researchers take technical specifications and translate them into code.
+ Write documentation and unit tests to ensure code quality and maintainability.
+ Participate in code reviews and team meetings, actively contributing to our agile development process.
**Submission Guidelines**
To be considered, please submit your resume and links to your GitHub profile and a portfolio showcasing your best work. The portfolio can include web apps, desktop tools, data analysis projects, or significant contributions to open-source software.
.
**Basic Qualifications**
Must be enrolled as a full-time student in a Bachelor's, Master's or PhD degree program, or graduated in the past 12 months from an accredited institution. Candidates who have earned a degree may work for a period not to exceed 12 months. Must have a minimum of a 3.0 cumulative grade point average.
Please Note:
-You will need to upload official or unofficial school transcripts as part of the application process.
-If selected for position, a letter of recommendation will be required as part of the hiring process.
*** Must meet educational requirements prior to employment start date.**
**Additional Required Qualifications**
+ Completed a Bachelor's or Master's degree in Computer Science, Data Science, Software Engineering, Applied Mathematics, or a related field, or currently enrolled in a master's or PhD program in these fields
+ Demonstrated proficiency in at least one modern programming language (e.g., Julia or Python
+ Solid understanding of core computer science principles and software engineering practices
+ Experience using Git and GitHub for version control
+ A link to a GitHub profile and a portfolio of software projects or applications is required for consideration
+ Excellent problem-solving and communication skills
**Preferred Qualifications**
+ Experience with web application development tools (OpenAPI, ZeroMQ, Docker Container, etc.)
+ Knowledge of software development best practices like CI/CD and automated testing
+ A strong interest in power systems
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**Job Application Submission Window**
The anticipated closing window for application submission is up to 30 days and may be extended as needed.
**Annual Salary Range (based on full-time 40 hours per week)**
Job Profile: / Annual Salary Range: $50,200 - $80,300
NLR takes into consideration a candidate's education, training, and experience, expected quality and quantity of work, required travel (if any), external market and internal value, including seniority and merit systems, and internal pay alignment when determining the salary level for potential new employees. In compliance with the Colorado Equal Pay for Equal Work Act, a potential new employee's salary history will not be used in compensation decisions.
**Benefits Summary**
Benefits include medical, dental, and vision insurance; 403(b) Employee Savings Plan with employer match*; and sick leave (where required by law). NLR employees may be eligible for, but are not guaranteed, performance-, merit-, and achievement- based awards that include a monetary component. Some positions may be eligible for relocation expense reimbursement. Internships projected to be less than 20 hours per week are not eligible for medical, dental, or vision benefits.
***** Based on eligibility rules
**Badging Requirement**
NLR is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background investigation. Intern assignments extending beyond six months will be subject to this requirement.
**Drug Free Workplace**
NLR is committed to maintaining a drug-free workplace in accordance with the federal Drug-Free Workplace Act and complies with federal laws prohibiting the possession and use of illegal drugs. Under federal law, marijuana remains an illegal drug.
If you are offered employment at NLR, you must pass a pre-employment drug test prior to commencing employment. Unless prohibited by state or local law, the pre-employment drug test will include marijuana. If you test positive on the pre-employment drug test, your offer of employment may be withdrawn.
**Submission Guidelines**
Please note that in order to be considered an applicant for any position at NLR you must submit an application form for each position for which you believe you are qualified. Applications are not kept on file for future positions. Please include a cover letter and resume with each position application.
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**Equal Opportunity Employer**
All qualified applicants will receive consideration for employment without regard basis of age (40 and over), color, disability, gender identity, genetic information, marital status, domestic partner status, military or veteran status, national origin/ancestry, race, religion, creed, sex (including pregnancy, childbirth, breastfeeding), sexual orientation, and any other applicable status protected by federal, state, or local laws.
**Reasonable Accommodations (*******************************************************
**E** **-Verify** ************************ **For information about right to work, click here (************************************************************************************************** for English or** **here (************************************************ for Spanish.**
E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.
The National Laboratory of the Rockies (NLR) is a leader in the U.S. Department of Energy's effort to secure an environmentally and economically sustainable energy future. With locations in Golden and Boulder, Colorado, and a satellite office in Washington, D.C., NLR is the primary laboratory for research, development, and deployment of renewable energy technologies in the United States.
NLR is subject to Department of Energy (DOE) access restrictions. All candidates must be authorized to access the facility per DOE rules and guidance within a reasonable time frame for the specified position in order to be considered for an interview and for hiring. DOE rules for site access during the interview process depend on whether the candidate is interviewed on-site, off-site, or via telephone or videoconference. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background investigation. Additionally, DOE contractor employees are prohibited from participating in certain Foreign Government Talent Recruitment Programs (FGTRPs). If a candidate is currently participating in an FGTRP, they will be required to disclose their participation after receiving an offer of employment and may be required to disengage from participation in the FGTRP prior to commencing employment. Any offer of employment is conditional on the ability to obtain work authorization and to be granted access to NLR by the Department of Energy (DOE).
**Drug Free Workplace**
NLR is committed to maintaining a drug-free workplace in accordance with federal Drug-Free Workplace Act and complies with federal laws prohibiting the possession and use of illegal drugs. Under federal law, marijuana remains an illegal drug.
If you are offered employment at NLR, you must pass a pre-employment drug test prior to commencing employment. Unless prohibited by state or local law, the pre-employment drug test will include marijuana. If you test positive on the pre-employment drug test, your offer of employment may be withdrawn.
Please review the information on our Hiring Process (************************************************* website before you create an account and apply for a job. We also hope you will learn more about NLR (**************************** , visit our Careers site (****************************** , and continue to search for job opportunities (**************************************** at the lab.