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

Lead design and operation of identity resolution and data governance systems. Build batch and streaming pipelines, APIs, and tooling for identity ingestion, matching, lineage, quality, access controls, and privacy compliance (GDPR/CCPA). Collaborate with product, analytics, legal, and security to ensure privacy-by-design, monitoring, and documented runbooks.

Lead product strategy for GenAI safety across Pinterest: build proactive safety frameworks, run threat modeling and red-teaming, translate policy into product requirements, define safety metrics, manage incident response, and collaborate cross-functionally to ensure equitable, scalable AI safeguards.

Lead Responsible AI projects to detect, mitigate, and evaluate bias across GenAI, foundation models, and recommender systems. Collaborate with product and platform teams, deploy fairness interventions at scale, mentor junior engineers, and define technical strategy to align models with Pinterest policies and business metrics.

Lead architecture and delivery of the measurement platform for ads lift and brand studies. Design and operate large-scale batch and streaming data pipelines, services, and APIs; operationalize measurement methodology with Data Science; build automated validation, monitoring, anomaly detection, and continuous verification; drive AI enablement and mentor engineers while leading cross-functional initiatives to improve reliability and data quality.

Apply quantitative modeling, experimentation, and ML to product and business problems. Build analysis pipelines, prototype models, instrument experiments, manipulate large web-scale datasets, and communicate insights to cross-functional partners to improve Pinterest products for millions of users.

Lead and grow a cross-functional engineering team building consumer-facing product areas. Set goals and drive roadmap execution, partner with Product/Design/Research/Data Science, coach engineers, support architecture and technical decisions, use data and experimentation to inform work, and apply AI responsibly to accelerate analysis and delivery while ensuring quality and verification.

Lead product strategy, roadmap, and execution for accounting and finance systems. Partner with Accounting, IT, Engineering, Data, and vendors to modernize workflows, drive implementations, increase efficiency, and improve user experience. Prioritize and evangelize the accounting product roadmap, apply AI responsibly with appropriate controls, and communicate strategy and priorities to stakeholders.

Lead technical partner integrations and provide expert support for Pinterest APIs and business products. Own end-to-end engineering projects, on-call support, monitoring, tooling, and cross-functional partner relationships while mentoring junior team members and driving AI-driven automations.

Lead design and implementation of performance marketing backend systems: ad integrations, event pipelines, attribution and measurement, bidding and budget optimization, reliability for spend-critical systems, cross-team coordination, and mentoring engineers. Drive measurement methodology, privacy-resilient approaches, and use of AI to accelerate work.

Partner with engineering and cross-functional teams to define and measure infrastructure health, build metrics and dashboards, improve data foundations and pipelines, design experiments, run investigations into performance/reliability/cost, and translate ambiguous technical problems into actionable recommendations.