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

Lead the architectural development and migration of Yahoo Mail infrastructure to Google Cloud, collaborating with teams to define requirements, optimize solutions, and ensure alignment with business objectives and standards.

Lead the architecture and development of Yahoo’s AI-powered data intelligence platform at petabyte scale. Build distributed batch and streaming systems, production RAG and multi-agent applications, semantic metadata integrations, and evaluation frameworks for retrieval quality, agent accuracy, hallucination prevention, and operational safety. Establish enterprise AI reference architectures, drive adoption across teams, validate AI-generated code and agent plans, and influence technical strategy across engineering, governance, infrastructure, product, analytics, and business stakeholders.

Own end-to-end technical success for enterprise data partners, from sandbox onboarding through production optimization. Serve as the primary technical contact, maintain API reliability and SLA compliance, monitor integrations, troubleshoot distributed and asynchronous systems, translate partner needs into technical specifications, and collaborate with engineering teams to improve APIs, streaming pipelines, and data contracts. Create documentation, playbooks, architecture diagrams, and escalation processes while communicating effectively with technical and executive stakeholders.

The Senior Software Engineer will architect and optimize AI-powered developer tools, enhance the SDLC, collaborate across teams, and mentor peers to improve engineering productivity.

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.

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.

Conduct ML research for query understanding, ranking, clustering, and AI-powered search. Prototype and productionize algorithms, define data and evaluation requirements, design scalable systems, collaborate with engineers, run experiments, and publish patents/papers to integrate state-of-the-art ML into Yahoo Search products.