Software Developer - ONI

Join TENAX Technologies

TENAX Technologies is seeking a Software Developer to support mission-critical applications and enterprise systems for our Navy customer in Washington, DC. This role offers the opportunity to work on cutting‑edge technologies supporting critical Department of Defense (DoD) and Intelligence Community (IC) missions. The ideal candidate will be a highly motivated software developer with experience building secure, scalable applications in on‑premises, hybrid, and AWS cloud environments.

If you are passionate about software development, cybersecurity, and supporting national security missions, we want to hear from you.

As a Software Developer, you will:

• Design, develop, test, and maintain enterprise software applications using Java and Python.
• Develop secure back‑end services, APIs, and microservices utilizing Java, Spring Boot, and RESTful architectures.
• Build and enhance modern web‑based user interfaces and front‑end applications.
• Design, develop, and optimize databases using Oracle, PostgreSQL, MySQL, and SQL technologies.
• Integrate applications with enterprise systems, cloud services, and mission‑critical data sources.
• Support software deployments through Dev Sec Ops  pipelines, including automated testing, security scanning, and release management.
• Implement secure coding practices and support compliance with DoD cybersecurity requirements, RMF controls, and vulnerability remediation efforts.
• Troubleshoot and resolve software, database, and system performance issues across development, test, and production environments.
• Support system modernization initiatives, technology refresh efforts, and cloud migration projects.
• Participate in Agile software development activities, including sprint planning, code reviews, and release management.
• Create and maintain technical documentation, architecture diagrams, API documentation, and deployment procedures.

• U.S. Citizenship required.
• Active Top Secret (TS) security clearance with eligibility for TS/SCI access.
• Must possess and maintain a current DoD 8570/8140 Information Assurance Technical (IAT) Level II or Level III certification, including approved certifications such as Security+ CE, CySA+, SSCP, CND, GSEC, CASP+ (SecurityX), CISSP, GCED, GCIH, or equivalent.
• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical field.
• Minimum of 3 years of software development experience.
• Experience developing enterprise applications using Java and Python.
• Experience developing RESTful APIs, web services, and database‑driven applications.
• Experience with source control systems, automated testing, and modern software development best practices.
• Experience supporting Linux and/or Windows environments.
• Familiarity with Agile development methodologies and Dev Sec Ops  practices.

• 5+ years of software development experience.
• Experience with Spring Boot, Hibernate/JPA, microservices, and cloud‑native application development.
• Experience supporting applications hosted in AWS cloud environments.
• Experience supporting DoD, U.S. Navy, Intelligence Community, or Federal Government programs.
• Knowledge of Risk Management Framework (RMF), DISA STIGs, secure software development practices, and cybersecurity compliance requirements.
• Experience in integrating applications with enterprise platforms and mission data sources.

At TENAX Technologies, you will have the opportunity to support mission‑critical national security programs while working with modern technologies including cloud platforms, Dev Sec Ops  pipelines, microservices, and enterprise‑scale systems. You will collaborate with experienced professionals in a dynamic and rewarding environment that encourages innovation, teamwork, and technical excellence. We are committed to investing in our employees through professional development, technical training, and opportunities for career advancement.

TENAX Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law.