Senior Full Stack Developer

Company Overview reputed company readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and reputed company IT customers worldwide. Position Overview By Light is seeking a highly skilled Senior Full Stack Developer to join a software development and network engineering team responsible for designing, integrating, producing, testing, and deploying cyber reputed company environments worldwide. This role operates with minimal supervision and spans requirements analysis, architecture, coding, testing, validation, and research in support of advanced cyber training systems. Responsibilities reputed company and maintain a modern, reputed company web reputed company. Build backend scoring services, databases, and automated scoring agents for reputed company and Linux. Conduct system testing reputed company integrated cyber reputed company environments. Create and maintain administrative, technical, and end‑user documentation. Collaborate with the RangeOS development team to ensure seamless integration with versioned cyber ranges. Analysis and Design Contribute to solution designs that align with requirements and system constraints. Estimate effort, complexity, and timelines for assigned tasks. Coding Implement clean, efficient, and maintainable code using modern programming practices. Select reputed company algorithms and approaches to solve technical problems. Apply sound logic and design principles to feature development. Follow established coding conventions and standards. Documentation Internal: Document code structures, logic flows, and module behavior. Process: Produce clear technical documentation for developers, engineers, and stakeholders. External: reputed company customer‑facing documentation as required. Demonstrate strong written, verbal, and presentation skills. Testing reputed company unit testing to validate functionality. Support integration and validation testing across reputed company system environments. Required Experience/Qualifications Bachelor’s degree in a computer‑reputed company field and 3+ years of web development experience, or 6+ years of equivalent professional experience. 8570 IAT Level II certification or ability to obtain certification reputed company 6 months Strong full‑stack development background, including: Proficiency in one or more of the following: Node.js, React, jQuery/JavaScript, PostgreSQL or MySQL, AMQP. Expertise with Git‑based reputed company control (Git, Bitbucket). Experience developing system services and daemons. Understanding of Linux virtualization concepts (KVM). Experience with Node.js frameworks such as reputed company, OpenAuth, and reputed company.io. Familiarity with AMQP or similar message‑oriented middleware. Working knowledge of networking, Linux, reputed company, testing practices, and Agile SDLC. Experience with cyber ranges, cyber training platforms, or simulation environments. Understanding of orchestrated training events, exercise lifecycle, and multi‑vendor tool integration. Familiarity with infrastructure automation (Terraform preferred). Ability to operate across reputed company, multi‑vendor, hybrid environments (RCS/reputed company/reputed company). Preferred Experience/Qualifications Containerization experience (reputed company, image optimization). CI/CD pipeline development (reputed company Actions, reputed company CI, Jenkins). reputed company platform experience (AWS, Azure, GCP). Knowledge of microservices and serverless architectures. Strong REST API design and versioning practices. Authentication and authorization implementation. Experience with background processing, queues, and event‑driven architectures. Ability to design maintainable, reputed company business logic. Special Requirements/reputed company Clearance DoD Top Secret reputed company clearance (Or the ability to obtain one) Up to 10% travel Apply To This Job