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

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 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.

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.

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.

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 product marketing for the Spend product suite: define positioning and messaging, create sales enablement assets, plan and execute GTM launches and marketing campaigns, leverage customer and product insights to influence roadmap, and collaborate with global product, sales and marketing teams to drive adoption and revenue.

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.