Staff Software Engineer, Expansion Experiences

We're on a mission to grow the small business economy by handling the hard stuff , payroll, health insurance, 401(k)s, and HR , so owners can focus on their craft and customers. We're looking for a seasoned full-stack software engineer to join our Expansion Experiences team.

As a Staff Software Engineer, you'll operate across the full product lifecycle, shaping experiments and features from early concept through launch and long-term iteration. You'll design, build, and test customer-facing experiences, run structured experiments, and mentor other engineers.

Responsibilities:

• Design, build, and test customer-facing experiences across recommendations, nurture campaigns, booking flows, and the plan upgrade/retention experience
• Run structured experiments to validate changes and iterate quickly based on results
• Design and build reliable backend APIs and data models that support personalization and customer journeys
• Mentor other engineers and raise the bar on technical execution and product quality
• Collaborate with Product Management, Design, Data, and Platform Engineering teams to understand customer pain points and come up with solutions

Requirements:

• 8+ years of software development experience
• Product-minded engineer with experience building scalable solutions that eliminate customer pain
• Experience owning multi-quarter projects that solve complex engineering problems and make measurable customer impact at scale
• Comfort designing and interpreting experiments, and working with ambiguous or evolving requirements
• Ability to mentor engineers to maximize their performance and impact
• Experience with large-scale refactors, performance and reliability issues, and a strong sense of ownership over all aspects of your product area

Nice to Have:

• Experience in Ruby on Rails, React, GraphQL, and TypeScript
• Appreciation for a collaborative, test-driven environment
• Ability to build well-structured, maintainable, well-documented code
• Ability to effectively communicate across engineering teams and with business stakeholders

Benefits:

• Competitive base pay
• Benefits and equity (RSUs)
• Opportunity to work on projects that make a real impact
• Collaborative and test-driven environment

We offer a salary range of $199,000–$247,000 for San Francisco & New York, and $164,000–$204,000 for Denver & most remote locations.