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# Software Engineer

- **Company:** Constellation Inc
- **Location:** United States (Remote available)
- **Experience:** Experienced
- **Salary:** $110,000.0 - $130,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Unit Testing, C Sharp (Programming Language), Cascading Style Sheets (CSS), Code Review, Continuous Integration, Data as a Services, Scrum Methodology, Responsive Web Design, Web Application Security, Software Engineering, TypeScript, ReactJS, Spring-boot, Backend, Git, Material UI, Information Technology, Production Code, Front End Software Development, Restful APIs
- **Published:** August 2, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=d99f1395544902e2

## About the Role

* 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

## Description

Constellation is seeking an Software Engineer with full-stack development experience, including building modern user interfaces in React and developing reliable backend services using Java, Spring Boot, or comparable frameworks. In this role, you will support mission-critical applications that integrate data collection, operational reporting, and intelligent automation to advance national security objectives. You will collaborate closely with analysts, engineers, and stakeholders to design and deliver mission-focused capabilities across multiple workstreams., * Collaborating with analysts and stakeholders to translate complex data requirements into intuitive, high-performance user interfaces.

 * Building and maintaining responsive web applications using React, integrating them with backend services and APIs.
 * Supporting the development of backend logic and data services using Java/Spring or equivalent frameworks.
 * Participating in sprint planning, code reviews, and technical design sessions within a tight-knit engineering team.
 * Writing unit tests and participating in CI/CD workflows to ensure the reliability of production code.


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