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
Software Developer - DOCSIS/SONU with Telecom Domain (Network & Cable)
Software engineering internship job in Denver, CO
We are looking for experienced consultant with network cable exp, Software dev exp and can understand end to end app life cycle within the Telecom domain. This role is central to ensuring seamless and efficient activation of cable modems and other DOCSIS/SONU devices.
Key Skill Requirements:
โข 8+ Years Experience (Hands-on Developer)
โข DOCSIS/SONU Domain Expertise: Apply in-depth knowledge of DOCSIS and SONU standards and protocols to architect
โข Cloud-Native Expertise: Drive the adoption and optimization of AWS services and Kubernetes for deploying, managing, and scaling device activation applications ( EC2, S3, RDS, Lambda, SQS, SNS, VPC, IAM, CloudWatch )
โข ACS Adapter Integration: Provide expert-level guidance and hands-on experience
Thanks & Regards
Alok Ranjan Pathak | Team Lead - US Staffing
Email: *********************** | Desk: **************
Ampstek LLC - Global IT Partner | ***************
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.
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.
...
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
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.
Software Engineering Internship - Summer 2026
Software engineering internship job in Denver, CO
Standard Weekly Hours: 40.00
At ULA, success comes through the efforts of a strong, united team.
Thanks for your interest in United Launch Alliance, the world's most experienced and reliable space launch company! Successfully launching more than 150 consecutive missions doesn't just happen. It's credit to the commitment of our 2,500 team members and the systems and processes we use to pull them together.
As a ULA intern, you'll gain real-world work experience and exposure to life at the nation's premier space launch company. Together, our unshakable unity yields stronger solutions and better results as we carry out our mission to save lives, explore the universe, and connect the world. Our team is excited to meet you!
Job Overview & Responsibilities
As a Software Engineering Intern at United Launch Alliance you'll gain hands-on experience and will have the opportunity to:
Architect, design, develop, integrate, tests and deploy software products supporting applications environments, engineering simulation environments, and embedded launch vehicle flight and ground system control environments.
Maintain engineering software infrastructure supporting real time systems, engineering labs, and all other assets used to support software product continuous integration and continuous delivery.
Conduct multidisciplinary research and development, collaborate with hardware and analysis engineers in the architecture, planning, design, development, and utilization of embedded and simulation software systems.
Apply the appropriate standards, processes, procedures, and tools throughout the system development life cycle and ensures software quality control standards are met.
Perform technical planning, requirements management, system integration, verification and validation, cost, and risk analyses for software systems development and integration.
Develop software that simulates physical systems and simulates real-time operations.
Develop integrates and uses advanced graphical user interfaces and visualization tools.
Software Engineering subskills include Embedded Software, Simulation Modeling Software, Applications Software, Software Product Owner; Software Scrum Master, Software Development Operations; Software Systems Architect, and Software Systems Integrator, cloud engineering, CICD Developers, AI engineering.
Support one or more experienced engineers in performance of assignments, spend time shadowing actual operations, and have unique assignments that support larger projects as well as experience the day-to-day workings of engineering.
Interns may perform and/or participate in additional activities/events which help them build a strong network within the ULA community and with fellow interns!
Required Education
At minimum completed Sophomore year of college or university by the time of the summer internship assignment.
High School/GED
Basic Qualifications
Must have a minimum college GPA of 2.90 on a 4.00 scale at the time of application; cumulative, no rounding.
NOTE: An unofficial transcript is required if you are invited for an interview. We recommend you upload it to your profile when you apply.
Must have a valid driver's license and motorized vehicle transportation if assigned an internship in Alabama; California; Florida; or Pueblo, Colorado. For Denver, Colorado and Washington, DC, motorized transportation is recommended.
Role Specific Qualifications
At minimum, actively pursuing a bachelor's degree in a STEM (Science, Technology, Engineering, Mathematics) field from an accredited college or university.
Must have plans to be enrolled in classes during Fall Semester 2026.
Ability to work full-time for a minimum of 10 weeks during the summer of 2026.
Experience working in one or more software languages:
C++
C
JavaScript
Python
Shell
Perl
Proficient with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook, SharePoint).
Effective presentation, written communication, and verbal communication skills.
Must be able to complete an internship at any of the below ULA's locations:
Denver, CO
Summary Salary Range:
CO: $22.80 - $32.40
Please note that the salary information shown above is a general guideline only. Salaries are based upon a candidate's experience and qualifications, as well as internal equity, market and business considerations. Employees may be eligible for a discretionary annual bonus in addition to base pay.
About ULA
Because we understand launch success comes through the collective efforts of a team, we seek the best to join us. We value ethics, ingenuity, engagement and professional development for employees at all levels.
We offer our interns competitive pay and benefits including:
An opportunity to participate in designing, building, and launching of ULA's sports rockets
Flexible work environments
Numerous social and networking opportunities
For those who qualify, a living stipend may be available
Additionally, most salaried ULA team members work a "9/80 schedule," meaning they enjoy every other Friday off.
Security Clearance / International Traffic In Arms Regulations (ITAR). This position requires use of information which is subject to the International Traffic In Arms Regulations (ITAR). Therefore, all applicants must be U.S. Persons as defined in ITAR 22 CFR 120.62 (e.g., U.S. Citizen, Lawful Permanent Resident (Green Card holder) or protected individual. See 8 U.S.C. 1101(a)(20) and 8 U.S.C. 1324b(a)(3) for additional information).
ULA is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment.
ULA is a participant in the federal E-Verify Program. Posters in PDF format pertaining to this program can be accessed by clicking on the links identified below. E-Verify Participation poster (English / Spanish) and Right to Work Poster (English / Spanish).
Colorado Equal Pay for Equal Work Act requires covered employees to follow a post selection notification process. A hired candidate may opt out of this process by notifying the hiring manager in writing at the time the offer is accepted.
Post-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
.
.
TypeIntern (Fixed Term)
.
Hours Per Week40
.
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.
.
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 2026 Internship - Computational and Software Engineering
Software engineering internship job in Denver, CO
Xcimer Energy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking new laser architecture. Our mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. Xcimer has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by leading investors, Xcimer is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. Join us in powering a better world with inertial fusion!
Join Xcimer's engineering internship program and gain hands-on experience in designing and building cutting-edge laser-driven inertial fusion hardware and software. As an intern, you will be integral to developing the systems needed for the world's first commercial fusion energy power plant. We have multiple internship opportunities available across various disciplines, including Mechanical Engineering, Electrical Engineering, Physics, and Software Development. Please apply to the posting that best matches your background and interests.
During this 12-week program at our headquarters in Denver, CO, you'll work alongside an industry expert mentor to tackle complex, real-world challenges in fields such as structures, mechanisms, optics, pulsed power, computational engineering, plasma physics, and manufacturing. We are seeking interns who are passionate about applying their technical skills, problem-solving abilities, and commitment to quality to drive the future of clean energy!
Application close date: 12/31/2025Responsibilities will vary depending on each intern's are of expertise and interests
Mechanical design and hardware development
Mechanical and thermal analysis using finite element analysis
Systems engineering
Manufacturing engineering
Electrical engineering (pulsed power)
Control systems engineering
Computational and software engineering (simulations)
Nuclear engineering
Optical engineering
Plasma physics
Qualifications
Qualified candidates must be enrolled in a Bachelor's, Master's or PhD degree program from an accredited college or university in mechanical engineering, electrical engineer, physics, nuclear engineering, or other related engineering discipline.
Application of technical skills outside of the classroom (examples include: extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
Proficiency in CAD software for 3D modeling and simulation.
Strong written, verbal, communication, and interpersonal skills.
Passion for fusion energy!
Ability to work full-time onsite through the duration of the 12 week internship program in Denver, CO.
Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum.
Equal Employment OpportunityXcimer Energy is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. Xcimer Energy hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork, in which all employees recognize and appreciate the diversity of individual team members. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, gender, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Xcimer Energy will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws. For more information on โEEO Is the Law,โ please see here and here. BenefitsBenefits Employee Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave (must be employed at time of birth or adoption), short and long-term disability, 401(k) with a company match of up to 6%. Paid Time Off: 15 days per year based on weekly scheduled hours, 10 paid sick leave, and 13 company-paid holidays for all regular employees (including part-time), fixed-term, and interns. Equity will be granted to eligible employees. Equity is designed to allow employees to share in company results and success.
Auto-ApplyFlight Software Intern Summer 2026
Software engineering internship job in Littleton, CO
ABOUT ROCKET LAB 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-ApplySoftware Engineering Intern, DevOps
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.
Allegion is seeking a highly motivated individual for a Software Engineering (DevOps) 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 Cloud (AWS), CI/CD(GitLab), IAC(Terraform) development. You will also be exposed to Monitoring/Observability tools and technologies that we use to build best in class solutions. You will get a chance to integrate security into CI/CD pipelines.
If you love fun, technically challenging work and want to take our software to the next level, please apply today!
What You Will Do:
Participate in DevOps discussions and implement automation solutions on real projects
Work with a team to produce well-rounded DevOps solutions.
Obtain the experience to create a foundation for growth and future opportunities with Allegion
Analyzes and defines software requirements to determine specifications and standards.
Develops, designs, and edits original automation scripts, frameworks and cloud configurations, or modifies existing automation code in GitLab.
May specialize in one or more areas of DevOps including IAC, Cloud, CI/CD or Monitoring/Observability.
What You Need to Succeed:
Pursuing a degree in a relevant discipline, e.g. Computer Science, Computer Engineering, and/or Electrical Engineering.
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 Rate: $25 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
Staff 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
.
**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.