Java / React Developer

We are seeking a Java / React developer that is responsible for designing, developing, and maintaining scalable, secure, and high-performing applications using modern Java and React technologies. This role partners closely with the system owner, UX designers, cloud engineers, and testers to deliver a solution that meets functional, security, and operational requirements.

Key Responsibilities

• Design, build, and maintain RESTful APIs and microservices using Java.
• Develop rich, responsive, and accessible front-end interfaces using React.
• Implement reusable UI components and efficient application state management.
• Integrate front-end applications with secure back-end services and databases.
• Translate business and technical requirements into scalable full-stack solutions.
• Participate in architecture design sessions for cloud-native applications, microservices, and event-driven patterns.
• Ensure code is modular, maintainable, and aligned with best practices and design patterns.
• Collaborate with DevOps engineers to support CI/CD pipelines using tools such as GitHub Actions, GitLab, Jenkins, or Azure DevOps.
• Deploy and maintain applications in AWS, Azure, or hybrid cloud environments.
• Implement secure coding practices aligned with zero trust principles.
• Participate in peer code reviews to ensure quality, security, and performance.
• Troubleshoot complex bugs across the stack and provide timely resolutions.
• Contribute to Agile ceremonies including sprint planning, backlog refinement, stand-ups, and retrospectives.
• Provide accurate estimates, documentation, and status updates to stakeholders.
• Submit, document, and execute application changes in accordance with established change management processes.
• Conduct impact analysis, regression testing, and readiness reviews prior to production releases.
• Support post-deployment validation and continuous improvement.

Required Qualifications:

• Bachelor’s degree in a related field with 5 years of relevant experience, or a total of 9 years of applicable professional experience in lieu of a degree.
• Full-stack development experience with Java and React.
• Experience with Git, CI/CD pipelines, and containerization (Docker, Kubernetes).
• Solid understanding of secure coding practices and modern SDLC.
• Strong problem-solving skills with the ability to diagnose issues across the stack.
• Excellent communication and collaboration skills.
• Ability to work independently, manage multiple priorities, and deliver high-quality results.

Preferred Qualifications:

• Experience with AWS, Azure, or GCP cloud services (Lambda, API Gateway, ECS/EKS, S3, etc.).
• Familiarity with OAuth2/OIDC, SSO, Okta, Entra ID, or other identity providers.
• Experience with Drupal.
• Exposure to automated testing frameworks and infrastructure-as-code (Terraform).

Formed through the strategic union of Sev1Tech and ERT, Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993, Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions, Entarian delivers secure, mission-aligned digital solutions that drive national resilience and operational effectiveness. We don't just support modernization; we define it.

Join the Mission and Start your Career Journey: Apply Directly via our Careers Portal  Connect, Referrals & Inquiries? Email the team: [email protected]

Entarian is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.