Top Engineering Jobs in San Francisco, CA

Design, build, and maintain scalable microservices and backend systems (Java/Kotlin) for growth initiatives. Enable experimentation, event-driven data pipelines, A/B testing, observability, and secure, high-availability services in collaboration with cross-functional teams.

Lead engineering for the Spend domain in the US, owning technical strategy and roadmap for corporate cards, expense management, and spend workflows. Partner with Product, Design, and Commercial to translate business strategy into technical execution, scale and mentor San Francisco engineering teams, drive operational excellence and OKRs, and evolve platform architecture across data engineering, AI, and analytics.

Lead technical direction of Airwallex's mobile platform across iOS and Android. Design and evolve core architecture, own shared libraries and CI/CD pipelines, improve security, reliability, performance and observability, manage mobile releases and on-call, drive cross-team initiatives, and mentor engineers while defining mobile best practices and developer experience.

Work directly with startups and strategic partners to build and deliver integrations, polished demos, and reference implementations. Lead technical partner engagements, identify reusable integration patterns, create playbooks and templates, capture partner feedback, and collaborate with product and engineering to influence platform improvements and priorities.

Build and maintain user-friendly web interfaces for expense and procurement products using React and TypeScript. Implement micro frontend patterns, integrate with backend services via Apollo/GraphQL, collaborate with designers and PMs on shared UI components and design systems, participate in code reviews, triage bugs, and improve frontend engineering standards and observability.

Design and operate scalable, event-driven backend systems in Python to power agentic AI workflows and real-time financial infrastructure. Own APIs, data architecture, reliability primitives, and platform foundations while partnering with ML and product teams to productionize AI-native financial systems.

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.

Build and maintain native iOS and Android apps, own design and delivery of features, influence mobile architecture, collaborate with product and design, ensure high code quality and test coverage, maintain CI/CD pipelines, and act as a hands-on technical leader for mobile platform evolution.

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.

Lead global enterprise and cloud network architecture and roadmap. Design, deploy, and operate highly available, secure hybrid LAN/WAN/Wi‑Fi/VPN infrastructures across multi‑cloud and on‑prem environments. Configure and troubleshoot multi‑vendor hardware, manage international connectivity, automate with infrastructure-as-code, respond to incidents, mentor engineers, and support global office rollouts and upgrades.