Full Stack Software Engineer

Full-Stack Developer

Candidates must be able to obtain and/or maintain a Department of Defense Secret Security Clearance as a condition and continuation of employment

Location: Andover or Tucson (Hybrid — once a week onsite minimum)

Job Type: 6 month contract with potential to extend

Experience Level: 5–10 years

Position Summary

We are seeking a Full-Stack Developer with 5–10 years of professional experience in Java and ReactJS to support mission-critical software systems. The ideal candidate will design, develop, and maintain scalable web applications that integrate secure backend services with dynamic, responsive front-end interfaces. The role requires strong problem-solving skills, attention to detail, and the ability to collaborate effectively in a structured, security-conscious environment.

Key Responsibilities

· Develop, test, and maintain full-stack applications using Java (Spring Boot) and ReactJS.

· Design RESTful APIs and ensure secure, efficient communication between front-end and back-end components.

· Collaborate with UI/UX designers, systems engineers, and database administrators to implement robust software solutions.

· Participate in code reviews, integration testing, and deployment pipelines.

· Write clean, maintainable code adhering to project-specific security and coding standards.

· Troubleshoot and resolve issues across the stack to ensure application reliability and performance.

· Support migration of legacy applications to modern web architectures where required.

Required Qualifications

· 5–10 years of experience in full-stack development using Java (Spring Boot) and ReactJS.

· Strong understanding of object-oriented programming, RESTful API design, and secure web application development.

· Proficiency with JavaScript, HTML5, CSS3, and modern frameworks such as Redux or Next.js.

· Experience with relational databases (MySQL, PostgreSQL, or Oracle).

· Familiarity with Git, CI/CD tools, and Agile development practices.

· U.S. Citizenship (mandatory for access to defense-related systems).

Preferred Qualifications

· Experience in a DoD or aerospace/defense environment.

· Working knowledge of containerization and orchestration (Docker, Kubernetes).

· Familiarity with DevSecOps pipelines and secure coding practices.

· Experience integrating APIs with identity management systems (OAuth2, SAML, etc.).

Work Environment & Expectations

· May require working in secure facilities or with sensitive defense data systems.

· Flexibility to collaborate across time zones and travel occasionally for project needs.

· Adherence to project-specific documentation, cybersecurity, and compliance standards is mandatory.