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

Lead strategic full-funnel sales and client relationships for top-tier financial services advertisers on Pinterest. Develop and execute media strategies, negotiate partnerships, drive revenue growth, mobilize cross-functional teams, and use data-driven insights and AI to scale performance media solutions.

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.

Lead marketing measurement and optimization by building statistical and ML models (propensity, forecasting, LTV), attribution methods, and causal inference analyses. Design experiments, automate ETL and reporting pipelines, create dashboards, and translate insights into strategic recommendations to drive advertiser acquisition, retention, and revenue growth.

Operate, scale, and improve a cloud-native platform on AWS and Kubernetes. Manage GitOps deployments with ArgoCD and Helm, provision infra with Terraform/Terragrunt, build CI/CD automation, enhance observability, respond to incidents, reduce operational toil through scripting, and collaborate with security and application teams to improve reliability and platform guardrails.

Lead design for advertiser-facing tools in Ads Manager, improving creative asset workflows, AI-powered solutions, and campaign optimization. Partner with Product, Engineering, Data Science, Research, and Marketing to research advertiser needs, drive product-led revenue growth, and ship features for self-serve and managed advertisers globally.

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.

As a Principal Engineer on the Online Systems team, you'll enhance reliability, scalability, and efficiency of critical systems, lead modernization efforts, and define the strategic vision for the online infrastructure over the next three years.

Lead and architect the technical strategy and roadmap for Content Quality at Pinterest, focusing on building signals for content quality and collaboration with ML engineers on deployment.

Lead a team of Machine Learning engineers, drive technical direction, oversee large-scale ML systems and improve user experience for over 500M users.

Lead strategic projects to scale Pinterest's Mid-Market sales segment: analyze data, develop recommendations, influence cross-functional teams, improve sales processes and systems, and apply AI to accelerate analysis while ensuring accuracy and data protection.