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

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.

Lead Affirm's business and financial communications to build trust with investors, financial press, and capital partners. Own earnings and major-news communications, craft narratives from financials, prepare executives for high-stakes media, and align business/financial messaging across teams to ensure consistent, proactive storytelling.

Support design, implementation, and operation of Affirm Bank's BSA/AML and compliance technology. Build and test transaction-monitoring rules, case-management workflows, dashboards, and controls; analyze alerts and control performance; maintain documentation; coordinate across Compliance, Product, Engineering, Data, and vendors to ensure audit-ready, scalable compliance systems.

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.

Lead a team to design and execute scalable, compliant servicing operations programs. Own program roadmaps, KPIs, risk management, change management, training, knowledge systems, and process improvements using Lean Six Sigma. Partner with Product, Engineering, Compliance, and vendors to translate technical concepts, drive adoption, and deliver measurable business outcomes.

Lead and set technical strategy for the Order Platform powering post-checkout flows (orders, captures, refunds, settlement). Design and ship highly available backend systems, own reliability/operational practices, mentor engineers, collaborate cross-functionally, and drive long-term technical decisions and execution plans.

Lead product for Affirm's 1:Many Distribution Partnerships, owning partner portfolio, building repeatable partner acceleration capabilities, defining roadmaps, metrics, and go-to-market strategies, and coordinating cross-functional teams to launch and scale platform integrations that drive merchant growth.

Independently validate and monitor machine learning models for credit underwriting, credit risk, and fraud detection. Identify model weaknesses, recommend improvements, and collaborate with model owners to remediate findings. Support and maintain the Model Risk Management framework and coordinate with Internal Audit, Internal Controls, and Compliance on audit and regulatory requests.

As a Machine Learning Engineer II, you will enhance AI systems for automating customer operations, develop evidence extraction pipelines, and collaborate with teams on model development and deployment.