Member of Technical Staff

The role

You will own parts of Darwin from initial design through production. You will work with founders to turn technical problems into products and improve them based on success or failure.

What you will do

• Build systems that index agent capabilities and match them to tasks, constraints, and user intent
• Develop sandboxed tests, benchmarks, and outcome measurements
• Build dependable agent interactions including authentication, permissions, state management, retries, and recovery
• Make discovery and execution understandable and useful across Navigator, APIs, SDKs, and MCP
• Improve search quality, task completion, latency, and cost

Required qualifications

• Built and shipped production software and taken responsibility for how it performs
• Depth in search, distributed systems, data infrastructure, applied AI, or product engineering
• Can take an ambiguous problem, make sound technical decisions, and deliver a working solution
• Care about product details and can explain complex system behavior clearly
• Comfortable investigating failures across models, services, and interfaces
• Work independently, communicate directly, and revise approach when evidence changes

Nice to have

• Experience with retrieval, ranking, agent evaluations, or agent protocols

About the company

Darwin is building the discovery and execution layer for AI agents on the web. The company is backed by a16z Speedrun and angels across AI and technology.