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

Lead technical design and execution of complex products and systems while remaining hands-on with coding, architecture, debugging, code reviews, and production support. Make scalable and reliable system decisions, mentor engineers, improve engineering practices and tooling, identify technical risks, and collaborate across engineering, product, design, and AI teams to deliver high-quality products.

Leads the technical design and delivery of complex products and systems. Responsibilities include hands-on coding, architecture, code reviews, debugging, mentoring engineers, improving tooling and automation, managing production incidents, and enhancing reliability, security, observability, and scalability. The role partners with engineering, product, design, and AI teams while owning initiatives from problem definition through production.

Lead a distributed engineering team building and scaling customer-facing financial products. Own delivery, architecture, technical standards, reliability, production outcomes, and engineering processes across frontend, backend, APIs, databases, infrastructure, and integrations. Coach engineers, manage performance, resolve incidents, make technical trade-offs, and connect engineering execution to customer and business outcomes. The role requires hands-on technical leadership, strong ownership, product sense, and effective collaboration across product, design, mobile, backend, and AI teams.

Build and ship Android and/or iOS features for BJAK's AI Neobank app. Implement insurance, payments, claims and financial flows, integrate APIs, handle edge cases, improve performance and reliability, and support fast product launches and experiments with product and design teams.

Design end-to-end mobile and web product experiences for insurance, payments, claims, and investments. Create user flows, wireframes, prototypes, and polished interfaces; build scalable design systems; collaborate with PMs and engineers; iterate using product data and user feedback to improve usability and accessibility.

Design and deliver pixel‑perfect mobile interfaces for iOS and Android financial products. Create wireframes, prototypes, and production-ready UI; build and maintain mobile design systems; collaborate with engineers and PMs; iterate using analytics and usability findings to ensure accessibility and platform-consistent experiences.

Lead and execute high-priority cross-functional initiatives across engineering, product, hiring, operations, and business development. Build teams, processes, and capabilities; research markets and opportunities; identify operational problems and implement solutions; own projects end-to-end and deliver measurable business outcomes.

Design polished mobile-first and web interfaces for BJAK's AI and financial products. Create wireframes, user flows, prototypes and high-fidelity UI; maintain and evolve the design system; collaborate with product managers and engineers to deliver pixel-perfect implementations; iterate using user feedback, analytics and usability testing while ensuring accessibility and responsiveness.

Lead high-priority, cross-functional initiatives across engineering, product, hiring, operations, and business development. Build teams, processes, and capabilities; plan and execute projects end-to-end; research markets and products; identify operational improvements; and deliver measurable business outcomes through strong ownership and stakeholder management.

Lead product definition and execution for AI-powered assistant systems. Define end-to-end requirements, translate model capabilities into product decisions, design evaluations, balance trade-offs (quality, latency, cost, reliability), and work closely with ML, backend, and mobile engineers to ship reliable, user-trusted AI features.