Full Stack Engineer — San Francisco, CA

Full-Stack Engineering Lead, Public Works

Base salary: $175K to $250K plus equity

Location: San Francisco, 4 days in person | Full time

Build software a public works team can use from the street to the budget meeting. In Boone County, Kentucky, a team reported finding streets and exploring the data within minutes. In Port Lavaca, Texas, the platform has supported capital improvement planning. Your full-stack work would connect those everyday interactions to decisions that shape public infrastructure.

We are hiring for a company building the operating layer for the infrastructure cities maintain. Roads are the starting point: imagery, vehicle data, GIS records, engineering documents, and local knowledge become a living map of assets and their condition. Public works teams can use that evidence to plan capital, explain priorities, and manage work. The longer ambition reaches sidewalks, drainage, signs, bridges, and other public assets.

The product has customers, revenue, and funding, while the engineering choices that define the next phase are still open. You would join a world-class engineering team that includes a founding software engineer formerly at Brex and a machine learning engineer formerly at X, Google's moonshot factory.

What you'll own

Own a complete customer workflow, from interaction design through frontend, backend, data model, release, and production support. You will lead technical choices while continuing to build alongside a small, experienced team.

• Ship map and asset workflows with React, TypeScript, Mapbox, and Express.

• Connect imagery, GIS data, and engineering records to clear product views.

• Set sensible tests, release practices, and production checks.

• Work with customers and the founder to choose what improves outcomes next.

Problems you'll solve

The interface must make uncertain road data understandable to people under real operational pressure. The backend must preserve source context and support workflows that differ by city without turning every deployment into custom software.

Candidate fit

• You have shipped substantial full-stack products in a startup.

• You can turn user feedback into simple and dependable software.

• You are ready to guide architecture and other engineers without leaving code.

• You can work in San Francisco in person 4 days per week.

Role details

• Base salary: $200K to $300K, plus founding team equity.

• Full time, San Francisco, 4 days in person.

• Work directly with the founder and a small engineering team.

• Core stack: React, TypeScript, Mapbox, Express, geospatial data, and practical infrastructure.

• Visa sponsorship has not been confirmed; please ask if this affects your search.

Apply

Tell us about a product you personally shipped, the customer problem it solved, the technical decisions you owned, and what happened when people used it. We are especially interested in how you handled imperfect information and what you changed after launch.

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This search is led exclusively by ⚡N9usvF8E, a community of exceptional builders, founders, and investors that includes YC alumni, Thiel Fellows, and AI lab researchers. We connect ambitious engineers with career-defining roles at breakout companies backed by leading funds including Y Combinator, a16z, and Sequoia.

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If you believe you’re a particularly strong fit, email Richard directly at ••••••••.