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

Provide legal counsel on privacy, AI, identity, and advertising technology; embed privacy by design with product and engineering teams; draft and negotiate privacy provisions and DPAs; advise on cross-border transfers and SCCs; run privacy and AI risk assessments; support incident response; create scalable legal playbooks and AI-enabled workflows; represent Yahoo in industry standards bodies.

Lead architecture and development of high-performance, scalable backend systems for Yahoo Mail using Java and C++. Set technical strategy, establish architectural standards, validate AI-generated code, mentor senior engineers, collaborate cross-functionally, and ensure reliability through automated logging, telemetry, and debugging workflows.

Lead cross-functional technology programs from strategy through execution, drive cloud cost optimization and operational excellence, partner with finance and engineering, implement AI-enabled automation, and deliver measurable outcomes and governance for Central Technology.

Develop and maintain cloud infrastructure and automation at scale using Terraform, Helm, and Kubernetes. Build AI-driven troubleshooting, cost-optimization, and LLM-based onboarding agents. Implement observability (Prometheus, Grafana, OpenTelemetry), automate deployments (GitOps), diagnose production issues, and mentor engineers on cloud best practices and AI-augmented workflows.

Lead the development of deep learning models for email data, optimize models, design evaluation frameworks, integrate products, and mentor junior researchers.

Lead growth and subscription strategy for Yahoo Finance portfolio. Drive user acquisition, product adoption, conversions to Finance+, onboarding, retention, paywall mechanics, and partner perks. Own growth playbooks for new product launches, collaborate cross-functionally with Marketing, Engineering, Content, and Business Development, and use data-driven experimentation to optimize engagement and revenue.

Design, implement, and scale ML-based solutions for search and advertising; define data collection, evaluation, and production serving strategies; analyze data to inform development; communicate cross-functionally; produce technical reports; and stay current with advances in LLMs, vision models, and generative AI.

Lead program management, governance, and operations for Yahoos design system and AI tooling. Drive roadmap planning, adoption, vendor and tool governance, cross-functional alignment, AI enablement, rollout, measurement, and change management to scale design systems and AI-driven workflows.

Operate and scale the Sales AI portfolio and Business Builder ecosystem: prioritize field demand, run peer review and governance, drive adoption and change management, monitor portfolio health, and enable the field with tools, guidance, and metrics to ensure measurable business outcomes.

The Senior Principal AI/ML Architect will drive AI architectural vision, influence multi-squad strategy, design intelligent systems, and set operational standards for Yahoo Mail's AI capabilities.