Staff Software Engineer (Core Products)

• We’re looking for seasoned full-stack software engineers to join the teams behind Gusto’s customer-facing products — the features and experiences that small business owners and their employees rely on every day
• As a Staff Software Engineer, you’ll operate across the full product lifecycle: shaping features from early spec and design through to launch and long-term iteration
• That means writing clean frontend code, designing and building reliable backend APIs, influencing product direction, and taking ownership of what happens after a feature ships
• If you’re drawn to work that combines technical craft with real-world impact — helping power the livelihoods of millions using Gusto products — join us!
• Design, build, and test Gusto core products such as Payroll, Benefits, HR, Retirement, Gusto Money, Gusto Solo, and Gusto Pro, among others
• Mentor other engineers to help solve some of the hardest technical problems out there in very complex domains and at a large scale
• Help scale one of the largest Ruby/Rails and Javascript/React applications in the world
• Collaborate with our Product Management, Data, Design, and Platform Engineering teams to understand customer pain points, come up with solutions, and then prototype, iterate, and launch daily
• Build products that our customers genuinely love

Benefits

• Gender-affirming care and support
• Family care and support, including family planning and fertility benefits
• A variety of mental health resources
• Medical, dental, and vision insurance for employees and dependents
• Free meals and refreshments at the office (conversation and community is an added bonus!)
• Paid vacation, sick time, bereavement, and holidays, paid leaves, sabbatical, and more

• Experience with large scale refactors, performance and reliability issues, and a strong sense of ownership over all aspects of your product area
• Experience building scalable solutions that eliminate customer pain; passion for creating memorable experiences for customers
• Curiosity and experimentation with emerging AI frameworks, applying and sharing best practices to evaluate and scale AI use safely across teams
• Ability to mentor engineers to maximize their performance and impact
• Experience owning multi-quarter projects that solve complex engineering problems and make measurable customer impact at scale
• Experience leveraging AI tools or systems to accelerate development, improve testing, and deliver new product capabilities
• Successful applicants typically have 10+ years of software development experience