Founding Engineer
full-timePosted 3mo ago
About the role
Founding engineer responsible for owning areas of the system from design through production, spanning infrastructure, agent architectures, evaluation systems, developer tooling, and the product to ship agents that model human behavior. Emphasis on autonomy, full-stack ownership, and contributing to SDLC and research at Primitive Labs.
Responsibilities
- Own design and delivery across the full stack.
- Work with design partners and customers to turn feedback into new releases.
- Contribute to the systems and SDLC that shape how we develop and operate as we scale.
- Build new agent architectures, drawing on computational cognitive science.
Qualifications
- Shipped full-stack products to production.
- Operate with high autonomy: identify what needs to exist and build it.
- An agent-native developer who both uses and designs the tools.
- Effective at driving AI through the SDLC.
Benefits
- medical, dental, and vision coverage
- paid time off and vacation
Last updated Sep 12, 2026. Interested? Apply on the company site.
About Primitive Labs
Human-Aligned Development
Our mission is to make human behavior a first-class primitive of software development.
Human-Aligned Developmentsoftware developmenthuman behaviorprimitive
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