Member of Technical Staff - Engineering Lead, Applications (AI)

Location: San Francisco County, California, United States; listed conditions also include the San Francisco Bay Area, San Jose, Mountain View, Greater Boston, Massachusetts, Texas, Fremont, and Santa Clara.

Salary information listed includes $200,000–$400,000, up to $220,000 base, $225,000–$275,000, $65,000–$100,000 base, and $170,000–$350,000.

Company

Builds open AI models that anyone can use, customize, and build on.

What you will do

• Hire, mentor, and grow a full-stack engineering team toward approximately 10 people.
• Own prioritization and delivery in a fast-moving environment.
• Guide architecture across React, TypeScript, REST, gRPC, Go, FastAPI, authentication, RBAC, and audit.
• Lead development of internal dashboards, admin tools, self-serve workflows, and customer-facing applications.
• Partner with research, platform, and product to turn ambiguous needs into reliable applications and customer integrations.
• Make targeted coding contributions and maintain strong technical standards.

Requirements

• Experience leading engineering teams while remaining hands-on, with readiness to grow a team to around 10.
• Deep full-stack experience shipping and owning production applications end to end.
• Strong coding, architectural judgment, and communication skills.
• Experience building reliable integrations with external systems or customer environments.
• Comfort setting direction and delivering in a zero-to-one environment.

Culture & Benefits

• Competitive salary and equity.
• Comprehensive health coverage and a wellness allowance.
• Daily office meals and regular team events.
• 22 weeks of parental leave.
• Unlimited U.S. PTO or 30 days in the U.K.
• Visa sponsorship where applicable.