Senior Staff Software Engineer, Benefits

Responsibilities

• Architect and evolve scalable, performant customer-facing web platforms.
• Build AI-driven interfaces and intelligent benefits shopping experiences.
• Design, build, and maintain shared services and product workflows across the stack.
• Write high-quality, well-tested code and use AI-powered tools to improve development and reliability.
• Mentor and support engineers while establishing AI-native design patterns and best practices.
• Partner with Marketing, Sales, Operations, and leadership to translate business needs into technical solutions.
• Influence the technical roadmap for the Benefits Advisory platform and align work with Gusto’s AI-native strategy.

Requirements

• 8+ years of experience building scalable full-stack web applications.
• Expertise in frontend development with React and TypeScript, plus backend API development, data modeling, and database schema design.
• Extensive experience building AI interfaces, iterating on prompts, and maintaining high-quality evaluations.
• Extensive experience applying AI tools to full-stack development, code quality, intelligent user experiences, and AI-driven personalization.
• Deep experience with CI/CD and observability best practices.
• Ability to partner with technical Engineering and AI/Data teams as well as business Sales and Operations teams.
• Experience enabling productivity across large engineering organizations and balancing pragmatic execution with long-term architectural thinking.
• Preferred experience with React, Ruby on Rails, robust recommendation systems, and AI architecture and scalability for reliable platform services.

Benefits

• Full-time employees receive benefits and equity through RSUs.
• Employees based in Denver, San Francisco, or New York are expected to work from the office approximately 2–3 days per week or more depending on the role.
• Remote or non-office work requires a secure, reliable, and consistent internet connection.