Top Senior Level Jobs in San Francisco Bay Area, CA

As a Manager in Data Science, you'll lead the development of machine learning models, partner with engineering and product teams, and analyze large datasets to enhance customer experiences and prevent fraud.

Design, deploy, and maintain end-to-end ML-driven risk solutions at scale to detect and prevent fraud, abuse, and credit risk. Lead technical decisions, build ML tooling and processes, apply state-of-the-art models and third-party data, investigate emerging risk patterns, and collaborate with platform and cross-functional teams to ensure reliable real-time model operation.

Lead design, implementation, and operational management of enterprise security controls: investigate malware and threats, expand SIEM detections, deploy DLP, secure SaaS and endpoints, harden configurations, run forensics and incident response, automate detections and reporting, and mentor junior engineers while participating in on-call rotations.

Lead industry-specific marketing for Media, Entertainment, Gaming & Sports: develop strategy, create content and campaigns, align with sales and customer success, train teams, gather market feedback, and drive platform adoption and thought leadership.

Lead Mochi's programmatic B2C growth by planning, executing, optimizing, and reporting multi-channel digital ad campaigns (CTV, OLV, DOOH, Linear TV and digital). Collaborate with design and analytics on creative, attribution, and testing to meet conversion and customer acquisition cost targets while iterating rapidly in a startup environment.

Lead the visual direction and identity of Mochi Health across packaging, advertising, and product touchpoints. Define brand strategy and systems, translate strategy into cohesive visual guidelines and assets, and partner with marketing, product, and leadership to ensure consistent, high‑craft brand execution.

Partner with the CEO Office and senior leaders to define and drive high-priority strategic and operational initiatives globally. Lead cross-functional projects across product, engineering, finance, legal, and regional teams—covering market entry, regulatory and banking infrastructure, commercial acceleration, M&A, organisational design, and AI-enabled transformation—ensuring problems move from idea to measurable outcome in a fast-paced, ambiguous environment.

Lead end-to-end product design for AI-driven finance features, collaborating with product, engineering, and design system teams. Translate complex financial workflows into usable experiences across desktop, mobile web, and native apps, drive research and testing, contribute to strategy and roadmap, and shape team design principles.

Lead end-to-end strategy and optimisation of real-time and post-transaction monitoring systems. Own rule design, alerting, investigator workflows, client-specific risk controls, and scalable detection infrastructure. Collaborate with Risk, Compliance, Operations, Data, and Engineering to reduce fraud, improve detection quality, automate workflows, and ensure AML and regulatory alignment while maintaining strong customer experience.

Lead vision, strategy, and roadmap for on-prem AI inference platform. Drive product lifecycle, vendor strategy, hardware investment ROI, stakeholder alignment, and platform adoption across lines of business to scale enterprise AI infrastructure.

Lead end-to-end strategy and execution for Tier 1 trade shows and industry events in retail and food & beverage. Own event selection, budget management, ROI tracking, booth design/production, vendor relationships, lead capture processes, cross-functional alignment, and inventory/shipping logistics. Travel to key events (up to 25%) and collaborate with sales, creative, product, and partners to drive qualified leads and showcase Square solutions.

Lead underwriting for complex construction-focused inland marine accounts (builders risk, installation, contractors' equipment, project cargo). Evaluate exposures, structure coverage and pricing, manage broker/client relationships, monitor portfolio performance and accumulation, collaborate cross-functionally, drive underwriting improvements, and mentor underwriters to grow profitable business.

Lead end-to-end revenue accounting under ASC 606, including contract review, revenue recognition, monthly close, reconciliations, order-to-cash process design, controls, audit support, and team mentoring. Partner cross-functionally to scale systems, automate workflows, and ensure accurate, timely revenue reporting across domestic and international contracts.

Design and implement AI systems and scalable machine learning models, perform data wrangling and software engineering to deploy AI solutions, interpret data for client recommendations, collaborate across teams, uphold technical standards, and build client relationships while navigating complex, ambiguous problems.

Work with clients to assess and transform HR and payroll processes, design and implement HR technology solutions, manage stakeholder adoption and change, mentor junior staff, and ensure payroll compliance and optimization.

Lead and execute software testing and quality assurance for banking platform transformations. Manage test case execution, defect resolution, automation framework implementation, test environments, and cross-functional coordination. Coach teams, apply systems thinking to diagnose issues, use agile methods, and communicate test outcomes to clients to drive continuous improvement.