Associate Software Engineer

Constellation Inc•Washington, DC

2d•$110,000 - $130,000•Remote

About The Position

Constellation is seeking an Associate Software Engineer with full-stack development experience to support mission-critical applications that integrate data collection, operational reporting, and intelligent automation in support of national security objectives. The role includes building modern user interfaces in React and developing reliable backend services using Java, Spring Boot, or comparable frameworks. The engineer will collaborate with analysts, engineers, and stakeholders to design and deliver mission-focused capabilities across multiple workstreams.

Requirements

2–5 years of professional experience in software development, with demonstrated ability to work with frontend frameworks such as React and backend ecosystems such as Java/Spring, C#/.NET, or similar enterprise-grade languages.
Strong experience developing frontend 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 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. citizenship and ability to pass a background investigation by the client agency.

Nice To Haves

DHS clearance with CBP/ICE or DoD Top-Secret clearance.

Responsibilities

Collaborate with analysts and stakeholders to translate complex data requirements into intuitive, high-performance user interfaces.
Build and maintain responsive web applications using React and integrate them with backend services and APIs.
Support development of backend logic and data services using Java/Spring or equivalent frameworks.
Participate in sprint planning, code reviews, and technical design sessions within an engineering team.
Write unit tests and participate in CI/CD workflows to ensure production code reliability.