Principal Java Engineer

1 week ago

Alexandria, United States GTN Technical Staffing Full time

Principal Java DeveloperCompensation: $200,000 – $300,000 (Direct Hire) Locations: San Diego, CA • Aurora, CO • Annapolis Junction, MD • Alexandria, VA (Onsite) Residency: US Citizens Only Clearance Required: Active TS/SCI (CI Poly preferred) Position Type: Full-Time / Direct HireOverviewOur client is seeking a Principal Java Developer to join a high-performing Agile team supporting a mission-critical national security program. This environment utilizes the Scaled Agile Framework (SAFe), DevOps best practices, CI/CD pipelines, automated testing, and modern collaboration tools to deliver advanced capabilities to an operational system.This role is deeply focused on Java, J2EE, Spring, Spring Boot, and MVC frameworks, supporting full lifecycle development from requirements analysis through deployment.Responsibilities• Develop high-quality, maintainable enterprise Java software individually and within Agile teams (SAFe) • Translate complex system requirements into scalable, well-structured solutions • Use design tools, formal specifications, models, and CASE tools to support architecture and design • Apply engineering best practices to ensure code is reliable, modifiable, efficient, and reusable • Engineer, author, optimize, and document automation scripts for dev/test/production • Participate in code reviews, version control, CI/CD pipelines, and documentation practices • Promote code reuse across programs through shared components and libraries • Participate in PI Planning and all Agile ceremoniesRequired Qualifications• Active TS/SCI clearance (CI Poly preferred) • Bachelor’s Degree in Computer Science or related field (or equivalent experience) • Strong hands-on experience with Java, J2EE, Spring, Spring Boot, and MVC • Experience with one or more of the following: – Python, C/C++, SQL – SOAP, WSDL, WADL – PERL, PowerShell, VBS – Eclipse, Postgres, Oracle, Jenkins • Experience with UI development and XHTML/HTML/XML/XSLT • Experience developing on Windows and/or Linux operating systems • Strong understanding of core software engineering principles • Ability to prioritize tasks, work independently, and communicate clearly • Proven ability to perform in a fast-moving, mission-driven environmentPreferred Qualifications• Experience with application servers: Tomcat, WebLogic, JBoss • Experience with requirements decomposition, secure systems engineering, interface control, and CI/CD • Experience with Agile practices: Pair Programming, BDD, TDD, Refactoring, ATDD • Hands-on experience with automated testing tools: FITNesse, Mockito, Cucumber, UFT, Selenium • Experience with secure software development (Layer 7, policy-driven security, etc.) • Experience with SAFe or SAFe certification

  • Principal Java Engineer

    1 week ago

    Alexandria, United States GTN Technical Staffing Full time

    Principal Java DeveloperCompensation: $200,000 – $300,000 (Direct Hire) Locations: San Diego, CA • Aurora, CO • Annapolis Junction, MD • Alexandria, VA (Onsite) Residency: US Citizens Only Clearance Required: Active TS/SCI (CI Poly preferred) Position Type: Full-Time / Direct HireOverviewOur client is seeking a Principal Java Developer to join a...

  • Principal Java Engineer

    1 week ago

    Alexandria, VA, United States GTN Technical Staffing Full time

    Principal Java Developer Compensation: $200,000 – $300,000 (Direct Hire) Residency: US Citizens Only Position Type: Full-Time / Direct Hire Our client is seeking a Principal Java Developer to join a high-performing Agile team supporting a mission-critical national security program. This environment utilizes the Scaled Agile Framework (SAFe),...

  • Principal Java Engineer

    1 week ago

    Alexandria, United States GTN Technical Staffing Full time

    Principal Java DeveloperCompensation: $200,000 $300,000 (Direct Hire) Locations: San Diego, CA Aurora, CO Annapolis Junction, MD Alexandria, VA (Onsite) Residency: US Citizens Only Clearance Required: Active TS/SCI (CI Poly preferred) Position Type: Full-Time / Direct HireOverviewOur client is seeking a Principal Java Developer to join a high-performing...

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