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

Design and operate scalable, event-driven backend systems in Python for AI-native financial products. Build typed APIs (FastAPI + Pydantic), own data and ledger architectures, develop reliability primitives, partner with ML teams to productionize models, and ship platform foundations for audited, high-throughput financial workflows.

Lead the 0→1 development of an agentic AI finance product: define strategy, design UX, prioritize roadmap, partner with engineering, design, and customers to achieve product-market fit and scale.

Build and lead internal AI-driven security tooling and automation, support incident response with threat-hunting tools, maintain Kubernetes/serverless and ETL/log pipelines, partner with product teams to reduce risk, and mentor engineers.

Build scalable, high-performance frontend solutions for growth funnels, landing pages, and marketing campaigns using React and TypeScript. Drive experimentation and A/B testing, collaborate with product, design, marketing and data teams to optimize user journeys, prototype ideas rapidly, and uphold frontend best practices, security, and compliance to improve acquisition and engagement.

Design and deploy agentic AI systems that automate multi-step financial workflows. Architect agents using frameworks like LangChain and LlamaIndex, apply prompting, RAG, and fine-tuning, optimize reasoning and tool use, build feedback-driven systems, and integrate AI reasoning securely into production backend and frontend services.

Serve as the primary IT engineer for Legal, Risk & Compliance: design and build workflows, automations and AI integrations, manage legal applications and integrations, own features end-to-end, handle escalations and on-call incidents, write documentation, and partner with InfoSec and global IT teams to scale systems.

Lead a zero-to-one agentic AI finance product: define strategy, design UX, iterate to product-market fit, and collaborate with engineering, design, commercial teams and customers to ship scalable AI automation across payments, payroll, bookkeeping and tax.

Lead and execute the Payments Platform vision: own strategy, architecture, and roadmap for payment processing, routing, settlement, reconciliation and partner integrations. Build and grow engineering managers and senior engineers, drive platform reliability, observability, security, and scalability, set OKRs, manage cross-functional delivery, and align technology with business, product, risk and compliance outcomes.

Lead and scale engineering teams building Airwallex's global Payments Platform. Define architecture and roadmap for payment processing, routing, settlement, reconciliation, and partner integrations. Drive reliability, observability, security, and developer productivity. Manage Engineering Managers, set OKRs, coordinate cross-functionally with Product, Risk, Compliance, and regional teams to deliver high-quality, business-aligned outcomes.

Own end-to-end delivery of complex partner integrations for payments products. Translate requirements into project plans, coordinate cross-functional teams, manage risks/dependencies, ensure on-time launches, and drive post-launch optimisation and metrics.