Have you built a complex relational system from scratch? Build the operating system of a factory, from raw material to finished part. A seed-stage advanced-materials company in Los Angeles industrializes high-performance materials with AI, robotics and its own manufacturing. As a founding software engineer, you'd build its operating system from scratch: an ERP plus

MES, CAD

automation and simulation, and real-time factory telemetry in a digital twin. You'd work with full autonomy next to strong hardware engineers, with no PM, QA or design layer in between. They're hiring 3 founding engineers . What you'll own The ERP and MES, from data model to the screens people use on the floor CAD automation and simulation tooling Real-time factory telemetry and a digital twin Must-haves You've built a complex relational system from scratch (ERP, MES, logistics or similar), not configured or extended an existing tool 2+ years shipping production software at scale (roughly 2-8): TypeScript on the front end, Python or Go on the back end A standout achievement you can point to In person in Los Angeles, and you want to be on the factory floor Bonus points An ambitious personal project you kept grinding on Physical-world exposure: robotics, aerospace or rockets Model post-training or high-bandwidth telemetry What's in it for you $140k-$200k base + 0.1-1% equity A founding seat building software that runs a real factory Good to know Full-time, in person in Los Angeles Sponsorship is limited: please tell us your exact work authorization up front

Process:

founder call CTO call take-home of up to four hours (build from scratch and explain why) in person with the team offer When you apply, please include Your CV (PDF), your LinkedIn URL , and GitHub if you have one The relational system you built: tables, flows, users and scale Your single most impressive accomplishment Your current location, and confirmation that in person in Los Angeles works for you Your visa or citizenship status, and if you'll need sponsorship Your base salary expectation, your notice period, and any other interview processes you're in Does this sound like you? . If you're a match, we'll be in touch within 3 working days. RnB Consultancy | Netherlands | 3604 AB Maarssen | KvK 71489703