Senior Full Stack Developer, TS/SCI with Poly - $180K-$270K + 15% 401k
Summary
The Senior Full Stack Developer will design, build, and maintain data-driven applications for a government customer, focusing on full-stack feature development, Kubernetes-based deployments, and CI/CD workflows. The role requires an active TS/SCI clearance with CI Poly and involves collaborating on mission-critical tools.
About Millennial Software:
Millennial Software is revolutionizing the landscape of security and defense by leveraging our core competencies in software development, automation, DevSecOps, and machine learning.
- 100% company-paid medical, dental, and vision premiums for you and all dependents
- Ability to get increased salary if you don't need medical/dental/vision
- 100% company-paid disability and life insurance benefits
- 15% 401(k) company contribution
- 30 days of PTO/holidays
- Generous training budget
- Paid Paternal and Maternal Leave
- Business development / growth incentives
- Top notch company swag
About the Position:
Millennial Software is seeking a Senior Full Stack Software Developer to join our collaborative team supporting a Government customer. You’ll contribute to the design, development, and support of modern, data-driven applications and tools that simplify complex user workflows and enable mission-critical decisions.
This is a great opportunity for a motivated developer to grow technical skills across the full stack, with a particular focus on modern software development processes and technologies.
The ideal candidate is passionate in the full lifecycle of application, including design, coding, testing, implementation, deployment as well as support and maintenance. The candidate must be comfortable collaborating closely with users and developers to build and maintain polished, high-performance tools in mission-critical environments.
Essential Functions:
- Design, build, test, and ship full-stack features spanning user interfaces, backend services, and data layers.
- Collaborate with product and design to translate requirements into technical plans and iterative deliverables.
- Build and maintain scalable APIs and service integrations; ensure correctness, reliability, and performance.
- Implement and maintain frontend components with attention to usability, responsiveness, and accessibility.
- Deploy, upgrade and maintain software components into Kubernetes based infrastructures using helm charts and command line tools.
- Write automated tests and participate in code reviews to maintain quality and reduce defects.
- Monitor, troubleshoot, and resolve production issues; participate in on-call or incident response as needed.
- Improve developer workflows (CI/CD, local dev, tooling) and system observability (logging, metrics, tracing).
- Document solutions, decisions, and operational runbooks to support long-term maintainability.
- Follow secure development practices and contribute to risk reduction (security, privacy, compliance as applicable).