Staff Software Engineer, Core Products
Core
Design, build, and test core customer-facing products (Payroll, Benefits, HR, Retirement) for small business owners and their employees.
Role type
Staff Software Engineer (Full-stack)
Builds
Gusto core products including Payroll, Benefits, HR, Retirement, Gusto Money, Gusto Solo, and Gusto Pro
Domain
Fintech / HR Tech / Small Business Services
Deliverable
production ML models | product features
Required skills
Full-stack development, scalable system design, Ruby on Rails, JavaScript/React, AI tool integration, technical mentorship, large-scale refactoring, product ownership
Preferred skills
Experience with emerging AI frameworks, solving complex engineering problems at scale
Technologies
Ruby, Rails, JavaScript, React
Responsibilities
Design, build, and test Gusto core products; Mentor other engineers on complex technical problems; Collaborate with Product, Data, and Design teams to prototype and launch features; Build products that customers genuinely love
Seniority
Senior, hands-on IC with mentorship responsibilities
