Principal Full Stack Engineer

This is a U.S. based position. All of the programs we support require U.S. citizenship to be eligible for employment. All work must be conducted within the continental U.S. Who we are: Raft ( https://TeamRaft.com ) is a customer-obsessed non-traditional defense tech company dedicated to empowering U.S. military and government agencies with cutting-edge AI/ML and data solutions. We are a leader in autonomous data fusion and Agentic AI, with a purposeful focus on Distributed Data Systems, Platforms at Scale, and Complex Application Development. With headquarters in McLean, VA, our range of clients includes innovative federal and public agencies leveraging design thinking, cutting-edge tech stack, and cloud-native ecosystem. We build digital solutions that impact the lives of millions of Americans. We’re looking for an experienced Principal Frontend Engineer to support our customers and join our passionate team of high-impact problem solvers. About the role: In your role as a Principal Full Stack Engineer , you will lead the design and development of scalable, user-centric frontend systems that power Raft's flagship products. You'll architect and implement robust solutions using React, Vue, and/or Angular while ensuring security, performance, and reliability across mission-critical applications. As a hands-on technical leader, you'll mentor engineers while spending significant time writing code and solving complex technical challenges. You'll work closely with customers at deployment sites, gathering feedback and implementing improvements. What we are looking for: 8+ years of front end and back end software engineering experience using modern, component-based UI frameworks. Proven experience building and scaling complex user interfaces and component architectures Deep understanding of DevSecOps principles and practices, including ICAM Experience with containerized deployments and CI/CD pipelines Strong experience with modern full stack architectures and design systems Experience with real-time data visualization and high-performance rendering Knowledge of security best practices for enterprise and government systems Proven track record of mentoring engineering talent Experience designing modular, extensible component systems Proficiency with Agentic AI coding tools (such as Claude Code) Excellent problem-solving and communication skills Fast learner, analytical thinker, hands-on approach to technical leadership Highly preferred: Experience with highly regulated industries or stringent security/compliance standards Familiarity with classification levels and secure development practices Experience with edge computing and tactical deployments Knowledge of AI/ML interface design and data visualization Experience with progressive web apps in air-gapped environments Background in accessible design (WCAG) and real-time data rendering Contributions to open-source projects or technical publications Experience with browser-based geospatial visualization libraries (e.g., Leaflet, OpenLayers, Mapbox). Clearance Requirements: Ability to obtain and maintain an active TS SCI security clearance Preference for candidates with an active clearance Work Type: Remote with a preference for candidates based in Hawaii, DMV/NCR, Tampa, FL or Hanscom AFB, MA Foreign and domestic travel up to 35% to customer sites What we will offer you: Highly competitive salary Fully covered healthcare, dental, and vision coverage 401(k) and company match Take as you need PTO + 11 paid holidays Education training benefits Generous Referral Bonuses And More! Our Vision Statement: We bridge the gap between humans and data through radical transparency and our obsession with the mission. Our Customer Obsession: We will approach every deliverable like it's a product. We will adopt a customer-obsessed mentality. As we grow, and our footprint becomes larger, teams and employees will treat each other not only as teammates but custom ... (truncated, view full listing at source)