Engineer, Sr Regulatory
Software engineer job in Warrenville, IL
Who We Are
As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future.
Total Rewards
Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more.
Expected salary range of $124,200 to $138,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).
Primary Purpose of Position
Performs advanced regulatory/licensing/technical problem solving and provides analysis/insights in support of department, nuclear plant and fleet regulatory activities. Responsible for regulatory/technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations as well as Constellation licensing and regulatory processes.
Primary Duties and Accountabilities
Provide in-depth regulatory/technical expertise to develop, manage and implement regulatory analyses, activities and programs.
Provide regulatory/technical expertise and consultation through direct involvement to identify and resolve regulatory issues.
Provide complete task management of regulatory issues.
Perform regulatory and department related tasks as assigned by supervision
Accountable for the accuracy, completeness, and timeliness of work ensuring proper licensing basis management and assuring that standard design criteria, practices, procedures, regulations and codes are used in preparation of products.
Perform independent research, reviews, studies and analyses in support of regulatory/technical projects and programs.
Recommend new concepts and techniques to improve performance, simplify operation, reduce costs, reduce regulatory burden, correct regulatory non-compliances, or comply with changes in codes or regulations.
Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.
Minimum Qualifications
Bachelor's degree in Engineering or equivalent technical degree
Minimum of 6 years of professional experience
Effective written and oral communication skills
Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties
Preferred Qualifications
Previous Senior Reactor Operator (SRO) license/certification degree
Advanced technical degree or related
Experience with License Renewal, Regulatory, NRC in the Nuclear industry is HIGHLY Preferred
Auto-ApplySenior Software Engineer
Software engineer job in Chicago, IL
Senior Software Engineer - Build Next-Gen Conversational Platforms
💰 Salary: $230K base + 15% bonus + equity
About the Opportunity
Harnham is working with a fast-growing AI technology company that is building a next-generation agentic voice platform for enterprise-scale customer engagement. This organization partners with Fortune 50 businesses across healthcare, finance, and retail and is backed by leading investors with over $25M in funding.
They are scaling rapidly and seeking an experienced Senior Software Engineer to join their engineering team and help shape the future of conversational AI.
The Role
You'll design and build core platform components, working on backend services and APIs that power real-time voice applications. This role requires strong CS fundamentals, experience in scalable architectures, and collaboration with ML engineers and product teams.
Key Responsibilities
Develop backend services and APIs for high-concurrency, real-time applications
Design scalable, secure architecture for cloud-based systems
Work across backend and some frontend layers (full-stack experience is a plus)
Implement solutions in AWS ecosystems (EKS, Lambda, S3)
Optimize data models and pipelines using Postgres
Collaborate with ML engineers and DevOps to integrate AI models into production
Mentor junior engineers and establish best practices in coding, testing, and CI/CD
What We're Looking For
6-7+ years of software engineering experience
Strong CS fundamentals (data structures, algorithms, architecture)
Experience with AWS services and containerized environments (Docker/Kubernetes)
Proficiency in backend development (Java, Python, or similar)
Exposure to frontend frameworks is a plus
Familiarity with distributed systems and high-performance architectures
Why Apply?
Competitive compensation + bonus + equity
Work on industry-disrupting AI solutions
Collaborative culture with real impact
Relocation support and hybrid flexibility
Lead Software Engineer
Software engineer job in Chicago, IL
About the Company
The Aspen Group (TAG) is one of the largest and most trusted retail healthcare business support organizations in the U.S., supporting over 16,000 healthcare professionals across 1,200+ health and wellness offices in 46 states. Our brands, including Aspen Dental, ClearChoice Dental Implant Centers, WellNow Urgent Care, Chapter Aesthetic Studio, and AZPetVet, benefit from TAG's comprehensive suite of centralized business support services designed to enhance growth and provide high-quality healthcare experiences at scale. Together, we aim to make healthcare smarter, better, and more accessible for everyone.
About the Role
To support our rapid growth and technological evolution, we are seeking a Lead Software Engineer to join our expanding IT team. We're hiring two Lead Software Engineers on our full-stack team: one who leans Front-End and one who leans Back-End. You'll own mission-critical services (RESTful APIs, data streaming, rules engines) across microservices, set technical standards, and mentor engineers while collaborating with product and data science. You'll also help integrate AI models into production software and keep our products secure and compliant.
Responsibilities
Lead API and data-streaming service development used across TAG brands.
Build and optimize systems for reusability, scalability, and maintainability; drive design patterns, code quality, and testing.
Mentor engineers; influence architecture & best practices (technical leadership without direct people management).
Partner with product & data science; participate in code reviews; stay current with emerging tech (including AI in software).
Qualifications
10 years building large-scale software; ~5 years leading engineers/technical direction.
Required Skills
Strong in Python, Go, or C#; expert in REST; solid with GraphQL integrations.
Proficient with SQL (MySQL/PostgreSQL), cloud (AWS/GCP/Azure), CI/CD, and Kubernetes.
Experience integrating AI/ML models into software; security best practices/HIPAA awareness.
Front-End-leaning role: deep experience with a modern SPA framework (e.g., React/TypeScript) and design-system driven UI.
Back-End-leaning role: depth in distributed systems, data streaming, and service performance/observability. (Microservices & rules engines a plus.)
Preferred Skills
Healthcare tech exposure and HIPAA experience (bonus, not required).
Pay range and compensation package
Annual pay range: $167,000-$197,000. A generous benefits package that includes paid time off, health, dental, vision, and 401(k) savings plan with match.
Equal Opportunity Statement
If you are an applicant residing in California, please view our privacy policy here.
Data Engineer
Software engineer job in Chicago, IL
Scaylor helps mid-market and enterprise companies make sense of their data. Most teams past $20M ARR are stuck with fragmented systems, old databases, and hundreds of spreadsheets that never quite line up. We build the pipelines that clean, normalize, and connect that data so it can actually be used.
Our platform handles everything from parsing financial models and reports to mapping tables across legacy databases and modern APIs. The goal is simple: give companies a single source of truth they can trust.
We're a small team of four - one backend engineer, one frontend engineer, and 2 founders. We're looking for our fifth teammate to help us scale the engine behind it all.
⸻
The Role
You'll work across data engineering and full-stack development, helping us build reliable data infrastructure that powers real workflows. You'll touch everything from ingestion and transformation pipelines to the APIs and dashboards that surface insights to clients.
You'll work directly with the founding team and help make technical decisions that define the next version of Scaylor's core platform.
⸻
What You'll Work On
• Build data pipelines that extract, clean, and standardize information from Excel files, PDFs, APIs, and legacy databases
• Design schemas and transformation logic for structured and semi-structured data
• Develop and maintain backend APIs (Python/FastAPI or Node/Express) for data access and analytics
• Help connect backend services to our frontend dashboards (React, Node.js, or similar)
• Set up and maintain AWS infrastructure (Lambda, S3, ECS, CloudFormation)
• Collaborate with clients to understand their data problems and design workflows that fix them
⸻
You'd Be Great Here If You
• Have 3-6 years of experience in data engineering, backend, or full-stack roles
• Write clean, maintainable code in Python + JS
• Understand ETL, data normalization, and schema mapping
• Have experience with SQL and working with legacy databases or systems
• Are comfortable managing cloud services and debugging data pipelines
• Enjoy solving messy data problems and care about building things that last
⸻
Nice to Have
• Familiarity with GCP or SQL databases
• Understanding of enterprise data flows (ERP, CRM, or financial systems)
• Experience building and deploying containers (Docker, GitHub Actions, CI/CD)
• Interest in lightweight ML or LLM-assisted data transformation
⸻
Why Join Scaylor
• Be one of the first five team members shaping the product and the company
• Work directly with the founder and help define Scaylor's technical direction
• Build infrastructure that solves real problems for real companies
• Earn meaningful equity and have a say in how the company grows
⸻
Compensation
• $130k - $150k with a raise based on set revenue triggers
• .4% equity
• Relocation to Chicago, IL required
Software Engineering Manager
Software engineer job in Chicago, IL
Software Project Manager (FTE - Chicago/Naperville Hybrid)
Onsite Expectations: First 3-4 months onsite, then hybrid
Employment Type: Full-Time (Direct Client)
We're seeking a Software Project Manager who can lead multiple application development projects and work closely with a growing development team. This role requires someone who can operate comfortably in both client-facing and technical conversations.
Why This Role Is Ideal
You'll guide software projects from kickoff to delivery-handling timelines, budgets, risk, and client communication-while collaborating deeply with developers. A developer background (Java, .NET, Python, C#, etc.) is strongly preferred to help estimate work, understand technical constraints, and set realistic delivery plans.
Key Responsibilities
Lead end-to-end software/application development projects (not a Scrum Master role)
Own budgets, track burn, compare against quotes, and keep projects on target
Serve as the main client and stakeholder liaison
Partner closely with developers to plan, scope, and unblock tasks
Use ClickUp and Agile practices for tracking and delivery
Support 30+ active client initiatives across the team's portfolio
Coordinate cross-functional work as the company expands into software + infrastructure projects
What We're Looking For
5+ years of software project management experience
Strong background in budget oversight, client management, and risk mitigation
Hands-on development background or technical understanding (Java, .NET, Python, or similar)
Experience working with small, fast-moving engineering teams
Local to Chicago/Naperville, able to be onsite for the first 3-4 months
Lead Software Engineer - QRM
Software engineer job in Chicago, IL
Salary: $165k-$185k + bonus
Hybrid: 3 days onsite, 2 days remote
*We are unable to provide sponsorship for this role*
Qualifications
Master's degree is required in a quantitative field
6+ years of experience in quantitative areas in finance and/or development experience in model implementation and testing.
Proficiency in Python development for prototyping and test automation.
Experience with numerical libraries and/or scientific computing.
Experience with automated quality assurance frameworks (e.g., Junit, TestNG, Pytest, etc.) for model testing.
Experience in relational database technology and SQL query language.
Good understanding of markets and financial derivatives in equities, interest rates, and commodity products.
Strong understanding of the following
Financial mathematics (derivatives pricing models, stochastic calculus, statistics and probability theory, advanced linear algebra)
Econometrics, data analysis (e.g., time series analysis, GARCH, fat-tailed distributions, copula, etc.) and machine learning techniques
Numerical methods and optimization; Monte Carlo simulation and finite difference techniques
Risk management methods (value-at-risk, expected shortfall, stress testing, backtesting, scenario analysis)
Responsibilities
Support the development of quantitative models for pricing, risk management, and stress testing of financial products and derivatives.
Review model documentation including whitepapers and implementation notes.
Design, implement, and maintain model prototypes and model testing tools using best industry practices and innovations.
Review and conduct comprehensive quality assurance testing on the implementation of models and algorithms for both QRM Library and prototypes focusing on requirement verification, coding, and testing quality, which involves the constructions of test cases, automation of model unit testing and creations of reference models if needed.
Present test plans and test results to, and obtain feedback from peers, model validators, and model developers.
Participate in code reviews for QRM Library, model prototypes, and Model Development Tool.
Contribute to the model release testing including margin impact analysis and baseline support and troubleshooting during model library integration with production applications.
Contribute to the development and testing of Model Development Tool including databases, ETLs, services, orchestration, and CI/CD pipelines.
Support large-scale model backtesting using historical data, including system configuration, execution and analysis of results.
Senior SDET/QA Lead
Software engineer job in Chicago, IL
Note: Need local candidates only and interview will be onsite
Role and Overview of the role:
Looking for a candidate who has 8 to 10 years of experience. It's a Senior lead kind of a role who would be involved in trying to understand development solutions for different features that are coming available, try and understand the testing scope for these new solutions, come up with a test approach, test plan, outline the test cases. Perform automation for these cases and develop automated squirts and then continuously monitor. This candidate will do the PR reviews, be sort of the senior QA who will be helping out the juniors with the questions they have for somebody who can take ownership and then make sure on time without any issues. Looking for somebody who is really strong in Java. Candidates should have Java Background and use Karate and then different automated testing tools.
Top Skills:
l Java
l Cucumber
l JBehave / BDD
l At least 8 years of test automation framework design
l Strong experience in testing Web Services (REST APIs) (3+5 years)
l The ability to write queries in SQL or other relational databases
l 3+ years of experience in developing scenario based performance testing using JMeter
l Experience testing full stack and integration testing with 3rd parties
l End-to-end system integration testing experience for software platforms
Education and Experience:
l Years of experience: 8-10 yrs experience
l Degree requirement: Bachelor's degree and 8+ years of experience
Position's Contributions to Work Group:
- AKA Senior SDET Extend testing automation framework using JAVA/JAVA Script Take ownership in understanding business requirements/ACs and develop test strategy/test plan Develop automation testcases using existing automation framework
Typical task breakdown:
Develop test automation code for Continuous Integration (CI), Continuous Delivery (CD), of systems, infrastructure, and test framework.
• Plan, design, develop, and maintain API test automation framework that facilitates automation scripting, execution, and analysis of results
• Provide technical leadership and mentoring for test engineers on multiple applications/projects onshore and offshore; train and mentor project team members to create, execute, analyze, and maintain automated regression suites
• Coordinate with product owner to resolve open issues/enhancements/upgrades and understand the use of a specific functionality as needed
• Develop automated functional scripts using tools such as Java, Karate, JMeter.
• Perform exploratory and manual testing of the product suite as appropriate
• Provide expertise in testing methodologies, best practices, and standards
Technical Skills
(Required)
- Strong design and development skills in two or more of the following technologies and tools: Java (3-5 years) Cucumber(3-5 years), JBehave or other BDD testing frameworks
• At least 8 years of test automation framework design
• Strong experience in testing Webservices (REST APIs)
• Proven experience developing test scripts, test cases, and test data
• The ability to write queries in SQL or other relational databases
• 3+ years of experience in developing scenario based performance testing using JMeter
• Experience testing full stack and integration testing with 3rd parties
• End-to-end system integration testing experience for software platforms
(Desired)
• Hands on experience with Python
• Development experience in AWS Cloud technology
• Experience in TDD, continuous integration, code review practice is strongly desired
• Experience with Apigee or other API gateways is a plus
• Experience with DevOps concepts and tools (e.g., CI/CD, Jenkins, Git)
• At least 2 years working on an Agile team with a solid understanding of Agile/Lean practices
• Understanding of a micro service Architecture
• Experience load and performance testing
• Strong documentation skills
Soft Skills
(Required)
• Ability to adapt quickly to a complex environment
• Pro-active, flexible and creative
• Very strong communication skills and the ability to collaborate with developers and business users.
Java AWS Developer - Fintech Domain
Software engineer job in Chicago, IL
Greymatter Innovationz helps you stay digitally relevant across domains, technologies, and skillsets, every day.
We are looking for:
Java AWS - Senior Developer with strong coding skills
Duration: Contract Or Fulltime
Onsite- 5 days/ wk
Candidate must be heavy on backend Java API and heavy on AWS (Lamba or S3 or any other AWS tool)
Must Have Qualifications:
• Experienced with Java development using Spring boot framework
• Strong knowledge of J2EE frameworks, Object Oriented Programming and microservices application architecture
• Strong knowledge of core java with understanding of concepts like Java runtime, interservice communication, Logging/Monitoring, Authorization, Bounded-Context based modeling, Exception Handling, JSON parsing
• Experienced with building and deploying applications in servers like Tomcat and WebSphere along with modern cloud tech stacks like Kubernetes and OCP.
• Hands on experience with RDBMS and PL/SQL technologies with exposure to both on prem (Oracle, Postgres) and cloud managed services databases like RDS and CloudSQL
• Strong experience in TDD methodology , writing and executing automated Junit Test cases
• Experienced with Streaming/Queuing platforms - Kafka/RabbitMQ
• Handson with Maven and Ant builds
• Experienced with DevSecOps pipelines and tools like Jenkins or Harness
• Knowledge of Payment domain with experience in wallet and digital payments.
• Spring Integration, Spring State machine and Spring batch frameworks
• Handon knowledge in AWS, GCP or Azure cloud
• Experience on cloud native technologies like S3, SQS, Lambda functions etc
• Knowledge of NO SQL databases
• Strong knowledge and hands-on skills in Docker, Kubernetes, OpenShift, RHEL, Helm
• Strong analytical and communication skills
• Knowledge of API Management and API Integration design patterns
• Exposure to Performance test tools like Jmeter or Gatling
• Exposure to chaos experiments and Chaos tools like Gremlin, Litmus etc.
At Greymatter Innovationz,
We offer:
Motivating Work Environment.
Excellent Work Culture.
Help you to upgrade yourself to the next level.
And More!!!
AS400 Synon Sr Developer
Software engineer job in Schaumburg, IL
Technical/Functional Skills:
• Strong functional knowledge of core PBM functions, specifically core adjudication, pricing, accumulators, MED D Pricing, benefit plan, patient pay and regulations
Required Skills:
• 15+ years of hands-on coding experience in CA/2E (Synon), including programming, array handling, and commit control
• 8+ years of hands-on coding experience in COBOL AS400 and/or Cobol ILE
• Experience working with ACMS/MOM
• Strong exposure to DB2400
Must have Skills - iSeries, SYNON, COBOL, AS400 (Mid-Range), ILE, COBOL/400, CLLE, SQL
Roles & Responsibilities
• Analyze and understand the functional and technical requirements.
• Work with business and capability teams to discuss and refine the requirements.
• Ability to guide the team and do hands-on development.
• Partner with team members to build robust, efficient, effective solutions.
• Identify opportunities to fine-tune and optimize applications.
• Participate in Agile/Scrum development process.
• Lead team in an onshore/offshore model
• Work in a team focused on continuous integration, improvement and learning
• Contribute to developing the technology roadmap for the team both functionally and technically
• Experience of coordinating with the client for requirement clarification and solution discussions
Generic Managerial Skills Required
Education:
Bachelor's Degree
A master's is a plus
PKI Automation Engineer
Software engineer job in Chicago, IL
We are seeking a highly skilled Cybersecurity Engineer with deep expertise in PKI, TLS certificate management, and cryptographic technologies. This role is critical in delivering secure automation systems and tools to mitigate cyber-attack risks, ensuring compliance, and driving technical innovation across our enterprise environment.
Key Responsibilities
Deliver moderately complex tools and systems to reduce cyber-attack risks.
Protect system boundaries and secure sensitive data.
Collaborate with peer teams and foster cross-team partnerships.
Operate independently within a structured environment, taking initiative when needed.
Troubleshoot issues in Windows Server (2022) and RHEL/Unix environments.
Work closely with Engineering, Deployment, and Operations teams to drive design adoption.
Manage vendor relationships and coordinate across industry facets.
Make engineering design decisions and implement technical automated solutions.
Required Qualifications
5+ years of experience in information security technology, specifically in cybersecurity.
Expertise in PKI, TLS certificate management, and software development life cycles.
Strong knowledge of cryptographic/encryption technologies (symmetric/asymmetric cryptography, digital signing, certificate authority).
Extensive experience creating automation scripts and communicating solutions; proficiency in PowerShell or C#.
Hands-on experience with CI/CD pipeline implementations.
Familiarity with code signing and securing cloud-based applications.
Understanding of security compliance requirements (PCI, SOX).
Ability to create detailed technical presentations and process documentation.
Strong analytical, reasoning, and organizational skills.
Excellent verbal and written communication.
Proven ability to manage multiple priorities in a fast-paced environment.
Adaptability to changing requirements and ambiguity.
Ability to influence and align others to a technical vision.
Self-starter with motivation and curiosity to create processes with minimal guidance.
Preferred Qualifications
Experience with Venafi or similar TLS certificate management solutions, including backend engineering, patching, and upgrades.
Skilled in troubleshooting certificate provisioning issues and managing Venafi configurations.
Ability to create/update Ansible Tower/AAP/OpenSource playbooks.
Experience with AWS and/or Azure serverless offerings.
Familiarity with deploying containerized applications.
Proficient in Linux-based operating systems.
Sr IAM Developer
Software engineer job in Chicago, IL
MUST Be Citizen or Green Card
This is a REMOTE role; however, candidates based in Illinois are preferred.
MUST SKILLS : ISC/IDN Must Required
MUST SKILLS - IAM (Identity Access Management) , Sailpoint and CyberArk MUST
The Senior IAM Developer will also formulate and define specifications for complex IAM installations, maintenance, and upgrades, while identifying and analysing performance and capacity issues. The position leads installation and maintenance of major operating system components, multiple program products, and ancillary system components; serves as a technical authority on multiple operating system elements; and collaborates with users, analysts, and technical staff to resolve system issues.
Essential Job Functions
Architect, design, and develop IAM technical solutions that meet business needs.
Evaluate capacity and performance issues.
Document technical solutions including specifications, models, diagrams, and other documentation as requested or required.
Support production applications and environments 24/7.
Effectively collaborate with IAM team members to ensure quality and delivery of solutions.
Review and provide feedback on business requirements and proposed technical solutions.
Participate in regional and national IAM communities to expand and share knowledge while improving practices.
Brainstorm with team members to identify alternative solutions.
Serve as a technical expert for the IAM team.
Perform additional duties as assigned.
Required Qualifications
BS or BA degree in Computer Science, Engineering, or equivalent education, training, or work experience (Master's degree preferred).
5 years of experience as an IAM developer or engineer.
3 years of hands-on SailPoint experience.
3 years of hands-on CyberArk experience.
5 or more years of programming experience developing, implementing, debugging, and maintaining applications with any of the following languages:
Java, Java EE
JavaScript, HTML, and CSS
SQL and Transact-SQL
Perl, PHP, Python, or Ruby
XML and JSON
Expert knowledge and multiple years of experience across:
Programming within UNIX/Linux using Unix Shell (bash)
Database systems such as MySQL, SQL Server, NoSQL, and Oracle
Programming LDAP using APIs such as OpenLDAP, JNDI, or Netscape
Web-service technologies such as SOAP or REST
Single Sign-On technologies (Shibboleth, OpenID Connect)
Open-source software and collaboration on open-source projects
Network authentication tools such as RADIUS or TACACS
Microsoft Active Directory
Version control software
2 or more years working with IAM systems and technologies such as Azure, Okta, OneLogin, Oracle Identity Manager, or similar.
Prior experience mentoring junior team members.
Experience with HIPAA, NIST, FERPA, and SOX standards preferred.
Senior Python Developer
Software engineer job in Chicago, IL
Design & build production-grade services and APIs (FastAPI / Django / Flask) using clean, well-tested Python.
Architect scalable systems (microservices, event-driven patterns, async I/O, caching) with high availability and failover.
Data & storage: model schemas; write efficient SQL; integrate with Postgres/MySQL, caching (Redis)
Performance & reliability: profile (cProfile, py-spy), tune hot paths, apply back-pressure, circuit breakers, retries, and idempotency.
Security & compliance: enforce authN/Z, secrets management, secure coding, dependency hygiene (SCA), and data protection.
DevOps & quality: code reviews, automated testing (pytest), static typing (mypy/pyright), linting, and CI/CD best practices.
Cloud & platform: containerize ; deploy to Kubernetes or serverless (Azure Functions); manage IaC (Terraform).
Observability: instrument with OpenTelemetry; create actionable dashboards/alerts
Minimum qualifications
10+ years of professional software engineering with Python in production.
Deep expertise with at least one Python web framework (FastAPI, Django, or Flask) and modern async programming.
Strong CS fundamentals: algorithms, data structures, and concurrency
Proven experience designing distributed systems and event-driven architectures.
Solid SQL/ORM experience (SQLAlchemy/Django ORM) and schema design.
Mastery of testing (unit/integration/contract), CI/CD (GitHub /Azure DevOps), and release strategies.
Hands-on with cloud (Azure), containers, Kubernetes, and infrastructure automation.
Excellent communication; ability to lead cross-functional initiatives.
Nice to have :
Security background: OAuth2/OIDC, Key Vault/Secrets Manager, threat modeling, SDLC governance.
FinTech domain experience
Front-end familiarity (React) for API-consumer alignment.
Senior Java Software Engineer
Software engineer job in Chicago, IL
We are looking for a Java Developer to analyse, design, code, and test Java/HTML/CSS/SQL code and web applications.
What You'll Do
Analyse business requirements to determine appropriate technology solutions
Write code, complete programming, perform testing, and debugging of web applications
Design and implement web services
Create SQL queries and database objects
Work with non-technical end users as needed
Follow department standards and methodologies
Interact and communicate effectively with all levels of staff, senior management, and customers
Provide ad-hoc reporting and analysis as required
What You'll Need
React and Unit testing for this one is a must.
Required:
9 years of experience with Java 8, 11, and higher versions
5 years of experience with React and Unit Testing
6 years of experience with SQL
6 years of experience with JavaScript
6 years of experience with CSS
5 years of experience with Bootstrap
5 years of experience with JPA (Java Persistence API)
5 years of experience with JQuery
5 years of experience with Spring Framework (including MVC)
Experience in agile development processes, especially Scrum
Excellent communication and interpersonal skills
Ability to work well individually and in a team environment
Preferred:
6 years of experience with Eclipse IDE
5 years of experience with AWS Cloud (CodeCommit, CodeBuild, CodePipeline, etc.)
3 years of experience with Apache Tomcat/TomEE
3 years of experience with JUnit & Selenium
3 years of experience with Python
3 years of experience with Jira & Confluence
Senior Back End Developer - Distributed Systems (C# or Golang)
Software engineer job in Chicago, IL
Our client, a fast-growing organization developing secure, scalable technologies for next-generation AI applications, is seeking a Backend Engineer to join their core platform team.
In this role, you'll help build and refine the foundational services that power authentication, observability, data flows, and high-availability systems across a distributed ecosystem. This is an opportunity to work on complex backend challenges while shaping the infrastructure that supports mission-critical applications.
What You'll Do
Develop, enhance, and support backend services that form the foundation of the platform.
Build and maintain core authentication and authorization capabilities.
Apply principles of Domain-Driven Design to guide how services and components evolve over time.
Architect, extend, and support event-sourced systems to ensure durable, consistent operations at scale.
Participate in API design and integration efforts across internal and external stakeholders.
Implement and support messaging frameworks (e.g., NATS) to enable reliable service-to-service communication.
Maintain and improve observability tooling-including metrics, tracing, and logging-to ensure healthy system performance.
Work closely with infrastructure, DevOps, and engineering teams to ensure robust, secure, and maintainable operations.
What You Bring
3-6+ years of experience as a backend engineer.
Strong knowledge of distributed systems and microservices.
Proficiency in at least one modern backend programming language (C#, Go, Rust, etc.).
Practical experience with IAM concepts and authentication/authorization frameworks.
Exposure to event-sourcing patterns, DDD, and common messaging systems (e.g., NATS, Kafka, SNS, RabbitMQ).
Familiarity with Redis or similar in-memory caching technologies.
Experience working with observability tools such as Prometheus, Jaeger, ELK, or Application Insights.
Understanding of cloud-native environments and deployment workflows (AWS, Azure, or GCP).
Why This Role Is Compelling
You'll contribute directly to a foundational platform used across an entire organization-impacting performance, reliability, and security at every layer. If you enjoy solving distributed-system challenges and working on complex, high-scale backend services, this is a strong match.
#BackendEngineering #DistributedSystems #PlatformEngineering #CloudNative #SoftwareJobs
Sr. Data Engineer - PERM - MUST BE LOCAL
Software engineer job in Naperville, IL
Resource 1 is in need of a Sr. Data Engineer for a full-time/ permanent position with our client in Naperville, IL. Candidate must be
local to Illinois
because of future hybrid onsite in Naperville expected. Our client is an employee-owned company with excellent benefits, growth opportunities and profit-sharing bonus.
This position is focused on building modern data pipelines, integrations and back-end data solutions. Selected individual will work within cross-functional Agile teams, collaborating with product owners, business analysts and other engineers to design and deliver data solutions that power business insights and AI products.
Responsibilities:
Design and develop scalable data pipelines for ingestion, transformation and integration using AWS services.
Pull data from PostgreSQL and SQL Server to migrate to AWS.
Create and modify jobs in AWS and modify logic in SQL Server.
Create SQL queries, stored procedures and functions in PostgreSQL and RedShift.
Provide input on data modeling and schema design as needed.
Manage infrastructure through infrastructure-as-code templates (Serverless Framework), supporting new data products and services in AWS.
Support inbound/ outbound data flows, including APIs, S3 replication and secured data.
Assist with data visualization/ reporting as needed.
Follow an Agile development methodology, with regular workshops and standup meetings, working in two-week sprints.
Qualifications:
5+ years of data engineering experience.
Experience with AWS and its associated array of offerings (Glue, Redshift, Athena, S3, Lambda, Spectrum).
Strong experience with SQL, Python and PySpark.
A background in supply chain, logistics or distribution would be a plus.
Experience with Power BI is a plus.
Senior Data Engineer
Software engineer job in Chicago, IL
requires visa independent candidates.
Note: (OPT, CPT, H1B holders will not work at this time)
Design, develop, and maintain scalable ETL pipelines using AWSGlue
Collaborate with data engineers and analysts to understand data requirements
Build and manage data extraction, transformation, and loading processes
Optimize and troubleshoot existing Glue jobs and workflows
Ensure data quality, integrity, and security throughout the ETL process
Integrate AWS Glue with other AWS services like S3, Lambda, Redshift, and Step Functions
Maintain documentation of data workflows and processes
Stay updated with the latest AWS tools and best practices
Required Skills
Strong hands-on experience with AWS Glue, PySpark, and Python
Proficiency in SQL and working with structured/unstructured data (JSON, CSV, Parquet)
Experience with data warehousing concepts and tools
Familiarity with CI/CD pipelines, Terraform, and scripting (PowerShell, Bash)
Solid understanding of data modeling, data integration, and data management
Exposure to AWS Batch, Step Functions, and Data Catalogs
Trade Support Software Engineer
Software engineer job in Chicago, IL
We're looking for a technical Trade Support Engineer to provide front-office support for a high-pressure trading environment. This role bridges the gap between traders and engineers, ensuring smooth operation of proprietary trading systems, market data feeds, and connectivity tools.
What You'll Do
Provide production support, troubleshoot trading systems, market data feeds, and connectivity issues.
Communicate directly with traders, engineers, and external partners (exchanges, clearing firms) to resolve technical problems.
Develop and maintain automation scripts using Python and Bash.
Query and analyze data using SQL for troubleshooting and reporting.
Collaborate across teams (traders, DBAs, developers, QA, infrastructure) to maintain system health in a 24x7 environment.
Create and update documentation for processes, troubleshooting, and system architecture.
Required Skills
3+ years in financial services or trading support roles (preferred)
Bachelor's degree in STEM or related field.
Strong Python and Bash scripting experience.
SQL proficiency for querying, reporting, and troubleshooting.
Comfortable using Linux/Unix command line environments.
Familiarity with version control systems (Git/GitHub).
Experience supporting proprietary trading systems or similar high-pressure technical environments (preferred)
Strong communication skills and a service-oriented mindset.
Data Engineer
Software engineer job in Chicago, IL
The Data Engineer will design, build, and optimize the data pipelines and models that support the firm's evolving research, analytics, and systematic portfolio construction environment. This role is central to enabling data-driven investment processes, including quantitative research, AI/ML capabilities, and front-office automation.
Candidates must have deep expertise with Snowflake, strong SQL skills, and experience integrating diverse datasets used across investment organizations. The role is highly collaborative and requires comfort working in an iterative, fast-moving environment where data needs evolve rapidly based on stakeholder input.
Responsibilities
Design, build, and enhance ETL/ELT pipelines in Snowflake, ensuring high performance, reliability, and scalability.
Integrate internal and external datasets, including pricing, research content, economic releases, market data, and security reference data.
Support real-time or near-real-time data flows where needed (e.g., pricing, indicative quotes, market-sensitive inputs).
Collaborate closely with Product Leads, Quant Developers, and UI/UX teams to ensure data structures meet the requirements of research workflows, analytical models, and user-facing applications.
Partner with front-office stakeholders to rapidly iterate on evolving analytical and data needs.
Implement data validation, monitoring, and quality frameworks to ensure accuracy and reliability across critical datasets.
Translate prototype pipelines into production-ready workflows with appropriate documentation, standards, and controls.
Contribute to data modeling standards, metadata frameworks, and data governance practices across the platform.
Requirements
10+ years of data engineering experience within investment management, financial technology, or similar data-intensive environments.
Expert-level SQL, including complex queries, schema design, and performance optimization.
Deep hands-on experience with Snowflake, including advanced features such as tasks, streams, performance tuning, and secure data sharing.
Strong Python capabilities for ETL/ELT development, data processing, and workflow automation.
Experience integrating APIs and working with structured, semi-structured, and unstructured datasets.
Familiarity with NLP or AI/ML-oriented datasets (e.g., textual research content, PDFs) is a plus.
Experience with Domino or willingness to work within a Domino-based model environment.
Working knowledge of investment data structures (holdings, benchmarks, pricing, exposures) is highly preferred.
Ability to thrive in a rapid prototyping environment with evolving requirements and close partnership with front-office teams.
Senior Dotnet Developer
Software engineer job in Chicago, IL
Required Skills & Experience
Strong and practical expertise in .NET development.
Solid experience with Microsoft Azure and AI Foundry/AI-related solutions.
Strong Python programming skills.
Proficiency with low-code/no-code platforms, especially Retool.
Ability to quickly prototype, iterate, and convert ideas into workable models.
Strong debugging skills with a proactive attitude toward fixing code and optimizing performance.
Personal Attributes
Must be a “vibe coder”-creative, curious, and passionate about building cool things.
A true self-starter who can work independently with minimal supervision.
A go-getter who thrives in fast-paced environments.
High energy, enthusiasm, and a strong sense of ownership in getting work done.
Lead Principal Java Scala Blockchain Software Engineer
Software engineer job in Chicago, IL
This is not a C2C role, permanent W2 direct-hire only***
is bonus eligible***
Prestigious Financial Institution is currently seeking a Lead Principal Software Java Engineer, with Scala and Blockchain experience. Candidate will be responsible for the development and delivery of business features, integrating a variety of upstream data sources and presenting data through the user interface, all while enriching and advancing the platform. This software must achieve a blend of data-rich presentation, performance, user experience, and the capacity to support the busiest trading days in the world economy with rock-solid reliability. The candidate must be able to solve problems creatively, communicate effectively, and proactively engage in technical decision making to achieve these objectives.
Responsibilities:
Working alongside experts that are building next generation blockchain-based securities lending system, and paving the future of digital transformation in the capital markets industry
Collaborating with others to deliver complex projects which may involve multiple systems
Continuously thinking about the next steps while improving yourself and others around you
Developing solutions to complex technical challenges while coding, testing, troubleshooting, debugging, and documenting the systems you develop
Optimizing application performance through analysis, code refactoring, and system tuning
Recommending technologies and tools that improve the efficiency and quality of the systems and development processes.
Qualifications:
[Required] 2+ years of development experience with Scala
[Required] 7+ years of experience in software development
[Required] 5+ years of experience in Java or related technologies
[Required] 3+ years of experience in react js or similar technologies
[Required] 1+ years of experience with distributed application design & blockchain
[Required] Experience with Akka or other actor-based systems
[Required] Experience with Devops and CICD tools (GIT, Jenkins, Docker, Kubernetes, Harness, Rancher)
[Required] Ability to write clean, bug-free code that is easy to understand and easily maintainable
[Required] Experience with BDD methodologies & automated acceptance testing
Technical Skills & Background:
[Required] Scala-based software development experience
[Required] Web/mobile application development experience
[Required] Understanding of message brokers, Queues and distributed datastores (Kafka, MQ, Redis, Splunk)
[Required] Experience working Unix/Linux environments, large software system development, security software development, public-cloud platforms
[Required] Fluent in functional programming, object-oriented design, industry best practices, software patterns, and architecture principles
[Required] Proficient in the following types of testing: unit, integration, system, functional, non-functional, regression, performance, security, and acceptance
[Required] Deep understanding of performance issues and multi-threaded development
[Required] Experience with continuous integration tools and techniques, automating processes, and writing scripts using Python and other languages.
Education:
[Required] BS degree in Computer Science, similar technical field required
[Preferred] Masters preferred