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

Lead Airbnb’s guest payments platform, including pay-ins, refunds, payment methods, processing resilience, installments, and financing solutions. Own platform strategy, roadmap, product delivery, metrics, and operational excellence while partnering with engineering, design, risk, compliance, legal, tax, and marketing teams. Manage and develop senior platform managers, influence senior stakeholders, and expand global payment capabilities across countries, currencies, and processing partners.

Responsible for fine-tuning state-of-the-art LLMs, optimizing models for deployment, and driving AI architectural decisions. Collaborate with cross-functional teams to develop impactful AI products.

Lead product strategy and roadmap for Payment Accounts platform, building scalable account, wallet, and identity capabilities. Own cross-functional execution with engineering, data, trust, compliance, and external partners to reduce friction, manage receivables and losses, and support global payments use cases.

Lead technical strategy and hands-on engineering for Airbnb's AI-powered ads growth engine. Architect scalable systems for creative generation, bidding, budget optimization, and audience management across paid channels. Write and review code, set standards for availability and quality, collaborate with Marketing/Product/ML teams, roll out staged automation, and mentor engineers to advance platform autonomy while ensuring brand safety and human-in-the-loop controls.

Lead and mentor TPMs to deliver AI platform initiatives across search relevance, recommendation systems, and ML infrastructure. Align stakeholders, define measurable success criteria, manage risks and dependencies, drive execution, and present outcomes to senior leadership. Partner with ML, infrastructure, and product teams to shape technical direction and accelerate data-driven AI initiatives.

Own and scale Airbnb's finance accounting platform: define roadmap, prioritize requests, onboard new products end-to-end, align engineering and finance, ensure data accuracy and monitoring, support month-end close, and automate manual workflows to improve financial data reliability and timeliness.

Lead architecture and maintenance of end-to-end traffic classification ML systems for adversarial domains. Own model lifecycle from offline evaluation to millisecond-edge deployment, build certified offline-to-online data pipelines, establish rigorous evaluation and leakage-prevention, optimize inference under strict latency/cost budgets, integrate scoring with mitigation workflows, and provide cross-functional leadership and mentorship.

The Principal Machine Learning Engineer will fine-tune and optimize LLMs for various applications, develop AI products, and enhance ML infrastructure in collaboration with cross-functional teams.

Build and productionize large-scale ML models and pipelines for query understanding and personalization. Work on autocomplete, query tagging/NER, query expansion, intent modeling, and LLM-powered natural-language search. Collaborate cross-functionally to design, deploy, and monitor batch and real-time systems, leveraging modern ML infrastructure and tooling to improve search relevance across Airbnb products.

As a Senior Staff Machine Learning Engineer, you will drive AI product development, collaborate with cross-functional teams, and enhance ML models at scale.