Top Tech Jobs & Startup Jobs in San Francisco, CA

Design, build, and ship production LLM-powered features for Gusto Retirement. Implement and integrate LLMs (prompting, RAG, agents, tool loops), make pragmatic architecture decisions, collaborate with product/design/engineering, and write well-tested, scalable code while driving execution.

As a Staff Applied AI Scientist at Gusto, you'll design and develop AI products, lead the AI development lifecycle, and improve LLM-driven agents, delivering impactful AI solutions for customers.

Lead integration of AI and automation across enterprise systems, designing Model Context Protocols and intelligent agents to automate workflows, ensure security and SOX compliance, measure KPIs, and enable business stakeholders to adopt AI-driven processes.

The Senior Staff Software Engineer will lead the technical direction of Gusto's Commerce Platform, focusing on system architecture, project delivery, mentoring, and collaborating with product teams to enhance the platform's reliability and performance.

Design, build, and test the Gusto PEO Benefits experience across frontend and backend systems. Lead architecture for greenfield PEO benefits work, integrate carriers, automate operational processes, mentor engineers, collaborate cross-functionally, and iterate features from spec to launch at scale.

Lead product strategy and execution for Tax Payments & Filings, building tooling, automation, and AI-enabled systems. Partner with Operations, Compliance, Engineering, Design, and Legal to reduce manual work, ensure regulatory correctness, prioritize investments, prototype solutions, and own outcomes end-to-end.

Lead cross-functional product and service strategy to scale customer experience, design service blueprints, and build AI-powered workflows. Drive end-to-end launch readiness, influence senior stakeholders with data-driven insights, and lead initiatives that automate service operations and improve outcomes.

Senior full‑stack engineer to design, build, and operate AI-powered Growth experiences (AI voice agent, LLM-driven email) across onboarding and lifecycle. Own technical strategy, production workflows, integrations, safety controls, experimentation, evaluation, and cross-functional collaboration while mentoring engineers and driving measurable acquisition and activation outcomes.

Own end-to-end revenue recognition for the Retirement segment (401k, IRA, AUM, plan administration). Prepare journal entries, subledger reconciliations, and close deliverables. Apply ASC 606 to complex arrangements, drive automation with Python/SQL/Excel/AI, improve processes, support audits, and partner cross-functionally with Operations, FP&A, Engineering, and Data on revenue integrity and new product launches.

Lead Gusto's Accountant Partner Program strategy, design and operationalization. Own multi-year investment thesis, partner enablement, external industry presence, vendor partnerships, program P&L, and cross-functional execution while managing two enablement ICs to scale activation, onboarding, and training.