Role DescriptionAs a Founding Engineer at Lightsage, you will design, build, and scale core infrastructure and products that power agent-led growth for developer tools and platforms. You will work closely with the founders to define technical architecture, implement new features, and create benchmarks and analytics that measure how agents interact with APIs, CLIs, and MCPs. Your day-to-day will include writing high-quality production code, building data pipelines and dashboards, integrating with third-party tools, and experimenting with agent frameworks and AI coding systems. You will collaborate directly with customers to understand their needs, refine product requirements, and ship end-to-end solutions from prototype to production.
Requirements- Able to take a loosely defined customer or product problem and drive it to a working shipped solution
- Prior founder or early-stage startup operator experience is a plus
- Strong written communication and ability to explain technical decisions clearly
- Experience working with Next.js, FastAPI, Supabase, Microsoft Azure
This is a full-time, on-site role based in San Francisco, CA, with significant ownership, autonomy, and impact on the company's technical direction.
