Full-Stack Engineer (ML Infrastructure & Tooling)

At Zone 5 Technologies, we're redefining what's possible in unmanned aircraft systems. Our team of engineers and innovators is developing cutting-edge autonomous solutions that push the boundaries of UAS technology - solving complex challenges that matter. We're building the future of UAS capabilities, and we're looking for exceptional talent to join us. If you're driven by hard problems, energized by rapid innovation, and ready to make an impact on next-generation flight systems, you belong here. Join our dynamic team as a full-stack software engineer focused on ML infrastructure and internal tooling who will be responsible for building mission-critical systems that bridge internal users, machine learning models, and RAG services. Your work will enable model evaluation, dataset triage, simulation control, and deployment workflows for cutting-edge LLM-powered platforms supporting autonomous systems and defense applications. Responsibilities: Web Apps & APIs • Build front-end interfaces in React and backend services in FastAPI to support dataset triage, model evaluation, and simulation workflows • Develop clean, maintainable Rest/gRPC APIs for tool integrations • Document interfaces and CLI tooling for both internal and field users LLM Platform Development • Integrate RAG (Retrieval-Augmented Generation) pipelines using LangChain, Milvus, PGVector, and Ollama • Deploy semantic search and generation features against internal technical documents and flight data • Implement evaluation mechanisms for LLM outputs UX & Automation • Build intuitive interfaces and workflows tailored to non-ML engineers and mission operators • Implement access control and RBAC logic for internal platforms • Maintain reliable automation across CLI, dashboard, and backend flows Dev Experience & Testing • Set up component testing using Storybook and CI-friendly unit/integration test and infrastructure • Contribute to developer onboarding and internal tooling documentation Qualifications: • Bachelor's Degree in Computer Science, Data Science, or related field (or equivalent experience) • 3-5 years experience (mid-level) or 5-7 years experience (senior-level) experience in full-stack development, preferably in aerospace or defense • Proficiency in TypeScript, React and Python • Experience with REST or gRPC APIs • Familiarity with vector databases and embedding frameworks (e.g., Milvus, PGVector, etc.) • Strong product sensibility and user-oriented mindset • Ability to work cross-functionally in a fast-paced, mission-driven environment • Experience with WebGL/Three.js for 3D visualization (preferred) • Familiarity with Tailwind UI or other modern frontend component libraries (preferred) • Understanding of designing for observability (preferred) What's in it for you: Benefits: • Competitive total compensation package • Comprehensive benefit package options include medical, dental, vision, life, and more. • 401k with company-match • 4 weeks of paid time off each year • 12 annual company holidays Why Join Zone 5 Technologies? • Innovative Environment: Work on cutting-edge technology that is shaping the future of defense and aerospace. • Collaborative Culture: Join a team of passionate professionals dedicated to pushing the boundaries of what's possible. • Career Growth: Opportunities for professional development and career advancement. If you are passionate about unmanned aircraft technology and want to be a part of a dynamic and growing company, we would love to hear from you. Apply today and join the Zone 5 Technologies team! Note about our Texas roles: we are in the process of opening a location on the mid-west side of the DFW metro region. Roles in Texas will initially work remotely and then be expected to be onsite when that location opens in 2026. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. Zone 5 Technologies is a federal contractor and participates in E-Verify to confirm employment eligibility. As required by law, we will verify the identity and employment authorization of all new employees using the E-Verify system. Learn more about your rights and responsibilities under E-Verify: Apply tot his job