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

Own end-to-end analytical lifecycle to develop and optimize business, risk, and growth strategies. Monitor portfolio and macro trends, build and interpret ML-driven models, lead cross-functional launches, mentor junior analysts, and build AI-assisted workflows to improve decisioning and measurement across products and geographies.

Design and implement CIAM backend services for authentication and authorization. Integrate identity systems, manage secure flows, and automate infrastructure.

Lead technical strategy and delivery for mobile app infrastructure, owning shared components (design system, networking, CI/CD, observability, releases, tooling). Collaborate cross-functionally, set code/design standards, ensure operational readiness and on-call processes, mentor engineers, and drive large, business-impacting projects and migrations across the JS↔native boundary.

Lead technical strategy and execution for a backend ledger team building highly available, audit-grade financial systems. Drive architecture, reliability, monitoring, on-call practices, code quality, cross-functional collaboration, and mentoring to ensure accurate, scalable ledger operations.

Lead and manage the underwriting and credit risk model validation team, perform hands-on independent validations of complex ML models, assess data integrity and performance, identify and remediate model weaknesses, partner on MRM framework improvements, and coordinate with audit, compliance, and controls to meet regulatory standards.

Lead product marketing for merchant-facing products: shape product strategy with customer and competitive insights, own end-to-end GTM and launches, drive product adoption and growth, create client-facing messaging, analyze data to inform segmentation and performance, and align cross-functional teams to execute high-impact initiatives.

Lead and coach a team of Technical Account Managers supporting SMB merchants post-sale. Oversee integrations, escalations, technical guidance, OKRs, demand forecasting, hiring, and cross-functional advocacy to drive merchant success and product adoption.

Design, build, and operate core CIAM backend services for registration, authentication, authorization, account lifecycle, and profile management. Implement OAuth2/OIDC/SAML/SCIM, develop APIs in Python/Kotlin, integrate identity platforms, automate deployments with IaC/CI-CD, and monitor/optimize services for reliability, security (MFA, token handling, encryption), and abuse detection at scale.

Drive the Continuous Integration team, ensuring build systems' reliability and scalability, and mentor CI engineers while improving developer productivity through automation and tooling.

Drive technical strategy and roadmap for Affirm's Online Storage platform. Design and build multi-region, highly available datastore solutions and control planes for hundreds of databases. Automate schema migrations, disaster recovery, sharding, and performance tuning. Collaborate with product, SRE, and infrastructure teams, own operations and on-call readiness, and mentor engineers while setting code and design standards.