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Full-Stack Engineer (ML Infrastructure & Tooling)

San Luis Obispo, California, United States

Join us at Zone 5 Technologies where innovation and cutting-edge technology drive pioneering advancements in unmanned aircraft systems (UAS). Based in the vibrant city of San Luis Obispo CA, we're seeking talented individuals to join and contribute to our growing team.

We thrive on pushing boundaries and inventing solutions to real-world challenges. Join a community of forward-thinkers who collaborate to create impactful products with a global reach. Our team, consisting of engineers and professionals, is prepared to overcome new frontiers and deliver innovative solutions in the field of unmanned aircraft systems.

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) 

Pay range for this role

$155,000 - $190,000 USD

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! 

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: https://www.e-verify.gov.

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