Frontend Full Stack Staff Software Engineer, AI Platform Experiences

what you'll do day-to-day: Architect, build, and test technologies supporting AI experiences within Gusto's product suite Create standardized, self-serve patterns that enable product teams to extend Gus across web, voice, email, and agent-based experiences Collaborate with ML and product teams on prompt engineering, clarifying question flows, and escalation logic—using A/B tests and data to drive improvements Mentor engineers on complex technical challenges in AI, scalability, and platform infrastructure Help scale a large Ruby/Rails and React application serving millions of users Work with Product, Design, Security, and Technical Operations teams to understand customer needs, develop solutions, and launch features Build customer-facing products end-to-end that customers rely on every day Here's

what we're looking for: 8+ years of software development experience, with 4+ years building scalable platforms or high-impact customer-facing products Strong foundation in front-end engineering and modern web technologies (Ruby on Rails, React, GraphQL, or similar full-stack frameworks) with ability to build well-structured, maintainable code Track record of owning multi-quarter projects that solve complex engineering problems and deliver measurable customer impact at scale Experience building internal platforms or developer-facing infrastructure that enables other teams to self-serve and ship AI-powered features Excellent cross-functional communication skills with ability to mentor engineers and collaborate effectively across teams and stakeholders Product-minded, customer-facing engineering approach with passion for creating great customer experiences and ownership over performance, reliability, and quality

Bonus if you have AI platform development experience or strong learning orientation toward AI technologies, patterns, and frameworks (orchestration, evals, prompt systems—not ML model development) Our cash

compensation amount for this role is targeted at $163,000-$204,000 in Denver, $178,000-$223,000 for Los Angeles and most remote locations, $197,000-$247,000 for San Francisco, New York, and Seattle. Final offer amounts are determined by multiple factors including candidate experience, level, and expertise and may vary from the amounts listed above. Gusto has physical office spaces in Denver, San Francisco, and New York City. Employees who are based in those locations will be expected to work from the office on designated days approximately 2-3 days per week (or more depending on role). The same office expectations apply to all Symmetry roles, Gusto's subsidiary, whose physical office is in Scottsdale. Note: The San Francisco office expectations encompass both the San Francisco and San Jose metro areas. When approved to work from a location other than a Gusto office, a secure, reliable, and consistent internet connection is required. This includes non-office days for hybrid employees. Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Gusto. Gusto is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Gusto considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Gusto is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. We want to see our candidates perform to the best of their ability. If you require a medical or religious accommodation at any time throughout your candidate journey, please fill out this form and a member of our team will get in touch with you. Gusto takes security and protection of your personal information very seriously. Please review our Fraudulent Activity Disclaimer . Personal information collected and processed as part of your Gusto application will be subject to Gusto's Applicant Privacy Notice .

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