Staff Software Engineer, Benefits Renewals | Gusto Jobs

Gusto is looking for a full-stack Staff Software Engineer to join the Benefits Renewals team. Each year, customers need to review and update their benefits, and this team builds the workflows that guide employers and employees through renewal, helping them stay compliant and keep the coverage that works best for them. You will work across the full product lifecycle, from early spec and design through launch and long-term iteration, writing frontend code, building reliable backend APIs, influencing product direction, and owning what happens after a feature ships.

Key Responsibilities

• Design, build, and test products in Benefits, improving the renewal experience for external and internal customers
• Automate complex manual processes in health insurance to reduce errors and save time
• Mentor other engineers on hard technical problems in complex domains at large scale
• Help scale one of the largest Ruby on Rails and JavaScript/React applications in the world
• Collaborate with Product Management, Data, Design, and Platform Engineering to understand customer pain points, then prototype, iterate, and launch
• Build products that customers genuinely love

Requirements

• 8+ years of software development experience
• Experience owning multi-quarter projects that solve complex engineering problems and deliver measurable customer impact at scale
• Experience driving large, cross-functional projects end to end through ambiguity, including scoping, sequencing, unblocking, and aligning multiple stakeholders and teams
• Experience implementing A/B tests or experimentation
• Experience using AI tools or systems to accelerate development, improve testing, and deliver new product capabilities
• Curiosity about emerging AI frameworks, and a habit of applying and sharing best practices to scale AI use safely across teams
• Ability to mentor engineers to maximize their performance and impact
• Ability to build well-structured, maintainable, well-documented code
• Ability to communicate effectively across engineering teams and with business stakeholders
• Experience in, or interest in, Ruby on Rails, and an appreciation for a collaborative, test-driven environment
• Travel to a Gusto office for onboarding is required
• Education: Not specified

Skills

Technical Skills

• Ruby on Rails
• JavaScript and React
• Backend API design
• A/B testing and experimentation
• Test-driven development
• AI-assisted development

Soft Skills

• Mentoring and technical leadership
• Driving cross-functional projects through ambiguity
• Stakeholder alignment
• Clear communication

Benefits

• Competitive base pay
• Benefits
• Equity (RSUs)