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Full Stack Software Engineer

Jobs via Dice
Washington, DC Full Time
POSTED ON 4/4/2026
AVAILABLE BEFORE 5/3/2026
Dice is the leading career destination for tech experts at every stage of their careers. Our client, Constellation Inc, is seeking the following. Apply via Dice today!

Job description: Full Stack Software Engineer

Constellation seeks a Full Stack 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
  • ==== able to pass a background investigation by the client agency. DHS clearance with CBP/ICE or DoD Top-Secret preferred

Job Type: Full-time

Education:

  • Bachelor''s (Required)

Experience:

  • React: 2 years (Required)
  • Front-end development: 2 years (Required)

Work Location: Hybrid

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Flexible schedule
  • Flexible spending account
  • Health insurance
  • Life insurance
  • Professional development assistance

Salary.com Estimation for Full Stack Software Engineer in Washington, DC
$110,692 to $135,164
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