Top Tech Jobs & Startup Jobs in San Francisco Bay Area, CA

Build developer tooling, documentation, and web experiences for AT Protocol. Develop and operate backend API and identity services, maintain open-source SDKs, support auth and identity management, and ensure production hosting and developer-facing APIs work reliably for third-party builders.

Lead Trust & Safety product efforts for AI-adjacent features: own product risk assessment, drive launch and operational readiness, translate safety needs into product requirements, build repeatable frameworks and tooling, partner cross-functionally to define mitigations and ownership, and establish a forward-looking roadmap for detection, escalation, and reporting systems to embed safety early in product development.

Staff full‑stack engineer to own cross‑stack architecture and deliver high‑impact features quickly. Work on a React/React Native app and Node.js/TypeScript and Go backends, set technical direction, mentor a small squad, contribute to the open AT Protocol ecosystem, and integrate agentic AI tooling to boost team productivity.

As a Senior Backend Developer, you'll design and maintain high-volume pipelines and databases, implement ETLs for automated abuse-prevention, and develop monitoring solutions while collaborating with teams on safety systems.

The Sports Partnership Manager will cultivate relationships in the sports ecosystem, manage events, collaborate with teams, and leverage data for community engagement.

As a Senior Machine Learning Engineer, you will design and maintain ML systems for content recommendations, search, and spam detection, while augmenting user experience and system performance.

As a Senior Fullstack Developer, you will build and maintain moderation and user-safety applications for Bluesky's Trust & Safety team, collaborating with product teams and improving tools based on user feedback.

As a Business Intelligence Data Scientist, you will develop dashboards, build statistical models, and analyze product features to enhance user insights.