Full Stack Developer

• Maintain and enhance existing systems in the development of new features
• Deploy new secure systems and network
• Conduct post processing and data reduction
• Apply and follow Scrum framework principles
• Write analysis reports and develop briefings
• Work independently and in a team environment

Whether you are passionate about writing clean, maintainable code across the frontend and backend, or you are focused on integrating security into CI/CD workflows, infrastructure as code, and cloud-native environments, we value your ability to work collaboratively across development, operations, and security teams. You will play a key role in driving innovation, ensuring software quality, and embedding security throughout the development lifecycle. Candidates must be able to work independently and as part of a technical team and have effective oral and written communication skills. Successful candidates will have strong problem solving and critical thinking skills., * Bachelor’s degree in engineering, computer science, or information technology

• Minimum years of experience: 0
• Applicant Must have an active DoD Top Secret Security Clearance, with SCI access

Desired Qualifications:

• Backend: Node.js, C++, Golang, etc.
• CI/CD tools (e.g., Jenkins, GitLab CI)
• React and TypeScript/JavaScript
• Cloud security (AWS, Azure, Google Cloud Platform)
• Container security (Docker, Kubernetes)
• Scripting (Python, Bash)
• Databases: SQL (PostgreSQL, MySQL), NoSQL (MongoDB)
• RESTful APIs, GraphQL
• Git, Docker, Kubernetes
• Argo CD, Argo Workflows
• Grafana, Jaeger
• Experience with Linux
• Experience with microservice architecture
• Design, develop, and implement web applications to power a national toolset with a large user base
• Assist senior Software Engineers with routine assignments
• Apply fundamental knowledge of operating systems and programming languages
• Produce well-written designed, testable and efficient code that meets technical requirements and secure coding practices
• Ability to work closely with users to troubleshoot code defects and deploy timely fixes
• Participate in a highly collaborative agile SCRUM team environment, contributing to all phases of the development lifecycle

ADA Notations:

• Regular communication (hearing/speaking).
• Noise conditions range from very quiet to noisy.
• Prolonged use of computer (typing/keyboarding).
• Frequently required to sit for long periods of time, stand, walk, and may occasionally lift and move at least 25 pounds.
• Ability to travel by car, air or other means of transportation, if required.

Epsilon C5I (, a division of Epsilon Systems Solutions, is a 100 percent employee-owned company founded in 1998 with more than 20 locations serving the Department of Defense, Department of Energy, Department of Homeland Security, non-profit and commercial customers. The Dayton division is one of only five prime awardees for the 10-year, $4.7 billion NOVASTAR contract supporting the National Air and Space Intelligence Center (NASIC), WPAFB, Ohio.