[Remote] Senior Full Stack Developer

Note: The job is a remote job and is open to candidates in USA. By Light Professional IT Services LLC is a technology company that supports defense, civilian, and commercial IT customers worldwide. They are seeking a highly skilled Senior Full Stack Developer to join their software development and network engineering team, responsible for designing, integrating, producing, testing, and deploying cyber range environments.

Responsibilities

• Develop and maintain a modern, responsive web interface
• Build backend scoring services, databases, and automated scoring agents for Windows and Linux
• Conduct system testing within integrated cyber range environments
• Create and maintain administrative, technical, and end‑user documentation
• Collaborate with the RangeOS development team to ensure seamless integration with versioned cyber ranges
• Contribute to solution designs that align with requirements and system constraints
• Estimate effort, complexity, and timelines for assigned tasks
• Implement clean, efficient, and maintainable code using modern programming practices
• Select optimal algorithms and approaches to solve technical problems
• Apply sound logic and design principles to feature development
• Follow established coding conventions and standards
• Document code structures, logic flows, and module behavior
• Produce clear technical documentation for developers, engineers, and stakeholders
• Develop customer‑facing documentation as required
• Perform unit testing to validate functionality
• Support integration and validation testing across complex system environments

Skills

• Bachelor's degree in a computer‑related 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 within 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 source control (Git, Bitbucket)
• Experience developing system services and daemons
• Understanding of Linux virtualization concepts (KVM)
• Experience with Node.js frameworks such as Express, OpenAuth, and Socket.io
• Familiarity with AMQP or similar message‑oriented middleware
• Working knowledge of networking, Linux, Windows, 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 complex, multi‑vendor, hybrid environments (RCS/ECS/cloud)
• DoD Top Secret security clearance (Or the ability to obtain one)
• Up to 10% travel
• Containerization experience (Docker, image optimization)
• CI/CD pipeline development (GitHub Actions, GitLab CI, Jenkins)
• Cloud 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, modular business logic

Company Overview