Associate Software Engineer

Pay: $110,000.00 - $130,000.00 per year

Job description: Associate  Software Engineer

Constellation is looking for an Associate Software Engineer to join our Homeland Security Team in Washington, DC. This role is designed for a developer who is comfortable across the stack, specifically building modern user interfaces in React and supporting robust backend services in Java/Spring Boot (or similar frameworks). You will work on mission-critical applications that integrate data collection, operational reporting, and intelligent automation to support national security objectives. This position involves close collaboration with analysts, engineers, and stakeholders to deliver mission-driven capabilities across multiple workstreams.

Job Responsibilities:

• Full-Stack Development : Building and maintaining responsive web applications using React, integrating them with backend services and APIs.
• System Integration : Supporting the development of backend logic and data services using Java/Spring or equivalent frameworks.
• User-Centric Design : Collaborating with analysts and stakeholders to translate complex data requirements into intuitive, high-performance user interfaces.
• Agile Collaboration : Participating in sprint planning, code reviews, and technical design sessions within a tight-knit engineering team.
• Quality Assurance : Writing unit tests and participating in CI/CD workflows to ensure the reliability of production code.

The ideal candidate must have the following credentials:

• 2 - 5 years of professional experience in software development, with a proven ability to work in frontend frameworks like React and backend ecosystems such as Java/Spring, C#/.NET, or similar enterprise-grade languages
• Strong experience developing front-end applications using HTML, TypeScript, and CSS with a focus on responsive design and modern UI/UX
• Strong understanding of RESTful APIs, React component design and common component libraries, and secure web development practices
• Proficiency in writing unit tests using frameworks such as Jest
• Experience working in a collaborative code environment and familiarity with Git, CI/CD pipelines, and modern development workflows
• Bachelor’s degree in Computer Science, Software Engineering, or a related field
• U.S. citizen able to pass a background investigation by the client agency. DHS clearance with CBP/ICE or DoD Top-Secret preferred

Job Type: Full-time
Work Location : Hybrid

Benefits:

• 401(k)
• 401(k) contribution
• Dental insurance
• Medical insurance
• Life & Disability insurance
• Flexible spending account
• Flexible schedule
• Professional development 
• Work-life balance