ABOUT THE ROLE This is a foundational engineering role at an early-stage AI/data startup, working directly alongside founding leadership to build the core infrastructure powering a real-time people data and AI agent platform. You'll have genuine end-to-end ownership — from ambiguous problem definition through production deployment — and a direct hand in shaping long-term technical strategy. WHAT YOU'LL DO - Design, build, and operate core infrastructure including APIs, LLM-powered workflows, scraping systems, and large-scale knowledge graph architecture. - Architect and maintain production-grade systems capable of handling millions of API requests, with a focus on performance, cost efficiency, and reliability across cloud and Linux server environments. - Own projects end-to-end, from initial scoping through deployment and iteration, shipping quickly without compromising system integrity. - Collaborate directly with senior leadership on technical decisions, roadmap priorities, and foundational architectural choices. - Contribute broadly across the stack, including developer documentation, internal tooling, technical tutorials, and experimental builds that showcase and stress-test pl... Click Apply to read the full job description.