Sabel Systems Technology Solutions, LLC is a rapidly growing Information and Communications Technology company specializing in Digital Engineering and Acquisition technical stack design, implementation, and sustainment. We develop advanced, secure, and scalable software solutions that support complex engineering and product development environments, integrating diverse technical tools into cohesive, end-to-end workflows. Our work spans software engineering, enterprise system integration, data visualization, strategy and policy development, financial management, requirements analysis, and training. Our primary clients are within the Department of Defense and the federal government contracting space, and we partner closely with leading prime contractors such as Siemens, Booz Allen, and PTC, while also supporting select commercial efforts. Sabel offers the opportunity to work on large-scale, mission-critical programs within a small-business, people-first culture that values agility and growth. You will join a dynamic, highly motivated team united by a single goal: getting quality, secure solutions into our customers’ hands as quickly as possible. Sabel Systems is seeking a Full-Stack Developer to help design and build a modern web-based platform that integrates engineering design tools, data pipelines, and analytics into a unified user experience to pioneer the automation of engineering review cycles. This role is ideal for a hands-on engineer who enjoys ownership, technical problem-solving, and turning complex systems into intuitive products. You will play a key role in developing and evolving a full-stack web application that ingests engineering data, orchestrates processing through external tools and services, and presents results through clear, interactive visualizations. You will work across front-end, back-end, and integration layers, collaborating closely with internal stakeholders to deliver secure, maintainable, and scalable solutions. This position requires strong independent execution, sound engineering judgment, and the ability to design software that can grow from an MVP into an enterprise-ready product. U.S. citizenship is required. All work must be performed within the United States.