Senior Java Software Engineer Jobs in Williamsburg, VA

Job Description Senior Software Engineer - GCCS-J Location: Newport News, VA (On-site, Full-Time) Position Type: Full-Time Clearance Requirement: Active Secret Clearance Program: Global Command and Control System - Joint (GCCS-J) Program Overview The Global Command and Control System - Joint (GCCS-J) is the Department of Defense's system of record for joint command and control, delivering a fused, real-time operational picture to commanders and warfighters. The ongoing modernization effort focuses on cloud-native software engineering, microservices architecture, advanced data ingestion and synchronization, improved data models, and enhanced user experience in support of JADC2-aligned mission objectives. Position Overview The Senior Software Engineer will lead the design, development, integration, and optimization of data-driven software capabilities supporting GCCS-J modernization.

This role provides technical leadership across the full software development lifecycle, ensuring scalable architectures, robust data workflows, and mission-aligned solutions that enhance operational decision-making. Key Responsibilities Technical Leadership & Mentorship Lead engineering efforts across multiple product areas Drive technical investigations and architectural decisions Mentor and develop junior and mid-level engineers Software Architecture & Design Define scalable architectures for microservices, APIs, and data pipelines Develop and maintain logical and physical data models Data Engineering & Integration Design and optimize data ingestion, transformation, and synchronization workflows Ensure data integrity, performance, and interoperability across systems Software Development Develop backend and frontend components using Java, JavaScript, and modern frameworks Implement RESTful services and event-driven architectures DevSecOps & Automation Integrate applications into CI/CD pipelines Support automated testing, containerization, and secure coding practices Agile Execution & Delivery Lead sprint planning, reviews, and backlog refinement Ensure adherence to Definition of Done and acceptance criteria Cross-Functional Collaboration Collaborate with developers, testers, product owners, and government stakeholders Communicate technical progress, risks, and solutions effectively User-Focused Development Validate workflows with end users Ensure usability and alignment with mission needs Basic Qualifications Bachelor's degree in Computer Science, Engineering, Information Systems, or related STEM field 7+ years of professional software engineering experience Strong experience with Java, JavaScript, TypeScript, and object-oriented design Proficiency in RESTful services and messaging/event platforms (e.g., Kafka, RabbitMQ, ActiveMQ, GraphQL, SSE) Experience with SQL, NoSQL, geospatial, and key/object databases Experience with modern JavaScript frameworks (React, Angular, Vue.js) Proven experience designing and implementing scalable software architectures Familiarity with Linux/UNIX environments and containerized deployments Strong communication and technical leadership skills U.S. Citizenship and an active Secret clearance Preferred Qualifications Experience with Spring Boot, Node.js, NPM, and modern development environments Experience developing Ansible playbooks Familiarity with Maven, Gradle, Jenkins, and automated testing frameworks Understanding of UX best practices and modern UI frameworks Experience with Docker, Kubernetes, Helm, OCI, and GitOps workflows Familiarity with Agile methodologies, C2 systems, STIGs, and static analysis tools Knowledge of networking, performance testing, debugging, and Atlassian tools Background in military intelligence or strategic planning Familiarity with DoD policies and mission environments Active TS/SCI clearance Desired Competencies Mission-focused mindset with strong ownership of outcomes Effective stakeholder engagement and communication skills Ability to lead and influence cross-functional teams Proactive, solutions-oriented problem-solving approach