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

Design, develop, test, and support scalable software features. Collaborate with cross-functional teams, participate in code reviews, estimations, and deployments (including evenings/weekends). Mentor peers, contribute to architecture, address production issues, and maintain test coverage and security best practices.

The role involves designing and developing high-performance web apps, improving user interfaces, maintaining component libraries, and ensuring code quality through comprehensive testing and collaboration with other teams.

Lead architecture and adoption of enterprise AI and agentic systems: design multi-agent orchestration, integrate LLMs securely, define CI/CD and reliability standards, lead threat modeling and chaos testing, build reusable platform tooling, mentor senior engineers, and drive cross-team roadmaps and stakeholder alignment.

The Senior Staff SRE leads reliability engineering initiatives, drives operational excellence, mentors staff, and influences architecture to enhance system reliability and performance.

Lead a team of Technical Program Managers to align strategy with delivery, enforce Jira-driven data hygiene and automated governance, drive outcome-focused execution, mature AI/agentic workflows, manage stakeholders and dependencies, and recruit and develop technical program talent to deliver mobility product initiatives.

The Staff Software Development Engineer will design and develop web applications, lead automation testing strategies, and collaborate on user experiences, utilizing strong front-end skills and full-stack exposure.

As a Principal Software Engineer, you'll architect WEX's DaaS platform, establish standards, mentor engineers, drive innovation, and ensure coherent data systems.

Drive end-to-end delivery and continuous improvement of healthcare payments products (HSA debit rails, ACH/RTP, claims reimbursement, real-time notifications). Lead Agile execution, discovery, and cross-functional collaboration; use AI-enabled workflows for research and synthesis. Measure and optimize payment metrics (authorization/decline rates, error rates, cost-per-transaction) and translate customer insights into testable product improvements.

Lead design and delivery of a unified, real-time billing platform that embeds AI/ML to automate reconciliations, detect anomalies, enable predictive insights, and create autonomous finance workflows across global billing operations.

Design, build, test, and support cloud-native microservices and web UIs. Collaborate with product and stakeholders, use TDD/BDD, instrument systems, drive incident response, mentor peers, and improve processes. Deliver performant APIs, stored procedures, and event-driven solutions while ensuring security and reliability.