Job Description

Pay: $100,000.00 - $120,000.00 per year

Job description: Software Engineer

Constellation seeks a 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.

Key Responsibilities:

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

The ideal candidate must have the following experience, background, and 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
• Be a 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) matching
• Dental insurance
• Flexible schedule
• Flexible spending account
• Health insurance
• Life insurance
• Professional development assistance

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