Full Stack Software Engineer - Ruby-on-Rails/Java experience Location: Manassas, VA, US Job Description: Job ID Number 2026-72145 Category Engineering Required Clearance Secret, obtainable within reasonable time based on requirements Employment Type Full Time Remote Option Hybrid Business Unit GD Mission Systems Apply Now At GDMISSIONSYSTEMS.COM Responsibilities for this Position Full Stack Software Engineer - Ruby-on-Rails/Java experience ID: 2026-72145 US-VA-Manassas Required Clearance: Secret, obtainable within reasonable time based on requirements Category: Engineering-Software Employment Type: Full Time Hiring Company: General Dynamics Mission Systems, Inc. Basic Qualifications Requires a Bachelors degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred. CLEARANCE REQUIREMENTS:: Department of Defense Secret security clearance is obtainable within a reasonable amount of time after hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As a Senior Software Developer, you will be part of a team of engineers working to deliver a comprehensive SecDevOpssoftware solution for the US Navy that provides automated functional testing and cybersecurity analysis of software payloads. This is a relatively small team that moves fast, you will be supported and enabled to begin contributing as soon as you are ready. What youll experience: - Develop software in Ruby on Rails and Vue.js within a Linux/Kubernetes environment to deliver an efficient capability for performing cybersecurity assessments - Building and supporting container environments (Azure, Docker, Kubernetes) - Write code, test, integrate and document software solutions - Analyze system, functional, and performance requirements and how they impact new or existing code - Conduct software peer reviews for others on your team - Perform software unit test, and supporting integration and test - Shape future products by contributing to the architecture framework used across multiple products or systems We encourage you to apply if you have any of these preferred skills or experiences: - 5+ years experience as Full Stack Developer - Experience working with frameworks like Vue and Ruby on Rails - If not, experience with similar frameworks like React and Java Spring may be applicable - Hands-on experience building Single Page Applications and Model View Controller (MVC) Applications - Experience using Linux (basic OS comprehension and basic shell scripting), preferably Red Hat or derivatives - Collaboration in Agile teams (Scrum, Kanban) to deliver high-quality software What youll experience: - Develop software in Ruby on Rails and Vue.js within a Linux/Kubernetes environment to deliver an efficient capability for performing cybersecurity assessments - Building and supporting container environments (Azure, Docker, Kubernetes) - Write code, test, integrate and document software solutions - Analyze system, functional, and performance requirements and how they impact new or existing code - Conduct software peer reviews for others on your team - Perform software unit test, and supporting integration and test - Shape future products by contributing to the architecture framework used across multiple products or systems What You Bring to the Table: - Strong understanding of software engineering principles and lifecycle - Experience with testing methods like TDD, BDD, and various types of software testing (unit, integration, end-to-end) (Vitest, RSpec, Playwright) - Expertise in object-oriented design and development - Familiarity with Linux, REST APIs, and database management (SQL, PostgreSQL) - Knowledge of automation tools (GitOps, CI/CD) and security practices (PKI, certificates) - Ability to write clean, production-ready code following good coding practices What sets you apart: - Technical leadership experience - 2+ years experience working with Azure or similar cloud platforms - 2+ years experience working with Kubernetes or similar container orchestration platforms - Strong understanding of software development process, as well as software engineering concepts, principles, and theories - Hands-on experience with RobotFramework and Software Analysis Tools (SAST/DAST) - Experience with Argo Workflows, OpenShift, Kubevirt - Creative thinker capable of applying new information quickly to solve challenging problems - Team player who thrives in collaborative environments and revels in team success - Commitment to ongoing professional development for yourself and others Our Commitment to You: - An exciting career path with opportunities for continuous learning and development. - Research oriented work, alongside award winning teams developing practical solutions for our nations security - Flexible schedules with every other Friday off work, if desired (9/80 schedule) - Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more Workplace Options: This position is Hybrid/Flex. While on-site, you will be a part of the Manassas VA facility. Salary Note This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled. Combined Salary Range USD $112,924.00 - USD $125,275.00 /Yr. Company Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!