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

Lead end-to-end forecasting tooling and internal product engineering for the CFO org: build data pipelines, user-facing web UIs, dashboards, and analytics; apply and operationalize AI/LLM capabilities; drive adoption, backtesting, and metric rigor; advise executives and partner across Finance, BizOps, and platform teams.

Design and implement ML algorithms for bidding and ranking systems in ads. Own complete ML systems from conceptualization to production. Collaborate with teams to integrate models and enhance advertising value using AI.

As a Backend Engineer at Pinterest, you will build and enhance Pinner-facing features, collaborate with teams, and utilize AI to improve product development processes.

Lead measurement product marketing for Pinterest ads: define positioning and GTM for attribution, first-party data, incrementality, and privacy-preserving measurement. Drive commercial readiness, sales enablement, cross-functional alignment, roadmap input, and industry thought leadership to ensure advertiser impact and revenue resilience amid signal and privacy changes.

Lead cross-engineering, high-impact ML/AI platform programs from ambiguous opportunity to delivery. Use GenAI-first execution to prototype AI-augmented tools, institute safety-by-design governance, drive technical decisions, influence roadmaps, and build scalable PM processes while aligning stakeholders and owning program outcomes end-to-end.

Lead technical vision and development of large-scale, low-latency DNN models for ads conversion. Mine text, visual, and user signals, use LLMs and AI tools to accelerate analysis, automate workflows, and mentor engineers while collaborating on new ad products.

Lead technical vision and roadmap for Pinterest's AI Platform. Architect petabyte-scale data orchestration, model training/fine-tuning, and high-performance inference for Generative AI and Recommender Systems. Drive cross-functional initiatives, influence architecture across the company, and cultivate an inclusive engineering culture focused on quality and ownership.

Lead a portfolio of cross-functional platform programs (quality, client foundations, ads, core infra), using GenAI to prototype workflows, drive modernization, manage risks/dependencies, and develop a small TPM team while remaining hands-on for strategic, high-risk initiatives.

Lead multi-platform Search product and front-end strategy across iOS, Android, and Web. Design and ship end-to-end search and shopping experiences, partner with product, design, ML, infra, and back-end teams, use AI/LLMs to prototype and iterate, define architecture and best practices, mentor engineers, and drive measurable improvements via experimentation and data.

Partner with engineering and cross-functional teams to measure, analyze, and optimize Pinterest's infrastructure. Build metrics, dashboards, and measurement systems; improve data quality and pipelines; design experiments and deep dives to quantify infrastructure changes; translate ambiguous technical problems into actionable analyses; and support investigations on performance, reliability, cost, and measurement quality.