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

Lead MarTech and AI strategy for Marketing, Creative, and Communications. Manage Platform & Tools team, own MarTech stack selection and integrations, embed production-grade AI across workflows, oversee vendor lifecycle and budget, and act as an executive thought leader driving adoption and cross-functional alignment.

Drive the Compliance product roadmap for copyright, trademark, and legal reporting tools. Partner with Legal, Engineering, Operations, and other product teams to build scalable systems and workflows that ensure compliance with global and domestic content/IP legislation. Lead cross-functional projects and improve tools for rights holders to manage content at scale.

Lead company-level programs for Search Signals, driving strategy and execution across offsite/onsite signals, content understanding, and relevance. Influence cross-functional partners and executive leadership, integrate new ML models (LLMs, VLMs, recommender systems), design AI-first workflows, and ensure safety, governance, and measurable program outcomes.

Lead and hands-on design manager for the Ad Formats Performance Pod: set vision, define strategy and roadmap, ship conversion-oriented ad products, mentor and grow a team of designers, collaborate with PM/EM/PMM/Research, use data-driven experimentation and AI tools to improve long-term conversion and user experience.

Lead the end-to-end product strategy and roadmap for Pinterests Core Saving Experience, improving first-session saves, board creation, and ongoing curation. Partner with cross-functional teams and AI/ML to design AI-powered organization and summarization features, run experiment-driven roadmaps, and use data and research to optimize save quality and downstream engagement.

Lead performance and efficiency initiatives for Pinterest's large-scale, cloud-native infrastructure. Improve Kubernetes and distributed system efficiency, build profiling and optimization tooling, collaborate with Infrastructure and SRE teams, leverage AI to accelerate investigations and provide self-serve efficiency recommendations, and validate impact through measurement and experiments.

Technical lead for the backend platform of Pinterest Assistant: define architecture and build scalable orchestration, memory, personalization, context management, APIs, tool integrations, and infrastructure for multimodal conversational AI. Drive platform strategy, estabish production best practices for LLM/agent systems, mentor engineers, and collaborate cross-functionally with ML, frontend, and product teams.

Lead strategy and roadmap for Connections to drive retention and engagement. Own cross‑surface social features, align senior stakeholders, mentor PMs, partner on safety and analytics, and measure impact through experimentation and data.

Own quality for a CTV web platform by designing and executing manual and automated tests across UI, APIs, and backend services. Build API and UI automation, integrate tests into CI/CD, perform regression and exploratory testing, analyze failures, and collaborate with engineers and product teams to drive issues to resolution and advocate quality best practices.

Design and prototype state-of-the-art visual encoders and multimodal representations; train billion-scale models on GPU clusters; build visual reasoning and retrieval tools; collaborate on text-to-image and VLM projects; mentor junior researchers; publish research and ship models to production.