Staff Engineer — AI, Agents & Systems, Equity & Impact

a16z-speedrun; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive salary + equity

Full benefits (health, dental, vision)

Small team, big impact

Job summary

Sourcerer in San Francisco is seeking a highly autonomous Member of Technical Staff to tackle ambiguous problems across agents, data infrastructure, and product. You will prototype quickly, iterate with real customers, and scale successful ideas into production.

The role offers rapid growth into engineering leadership or staff-level individual contributor paths. The position emphasizes ownership, collaboration with founders, and delivering concrete solutions in a fast-moving environment.

Qualifications

• Exceptional technical ability with a track record of built systems.
• Experience with modern AI tooling (LLMs, agents, evals) or hard systems engineering.
• Strong sense of ownership and ability to work autonomously.
• Wants early seat at a revenue-generating startup.

Responsibilities

• Own agent workflows and scraping infrastructure across a dozen-plus countries.
• Prototype fast, prove with real customers, then harden it into production.
• Shape your trajectory toward engineering leadership or staff-level IC.

Skills

AI tooling

LLMs

Agents

Data infrastructure

Systems engineering

Tools

LLMs

Agents

Evaluation frameworks

Production systems

Job description

Sourcerer in San Francisco is seeking a highly autonomous Member of Technical Staff to tackle ambiguous problems across agents, data infrastructure, and product. You will prototype quickly, iterate with real customers, and scale successful ideas into production.

The role offers rapid growth into engineering leadership or staff-level individual contributor paths. The position emphasizes ownership, collaboration with founders, and delivering concrete solutions in a fast-moving environment.