Senior Staff Engineer — Tax Platform & AI-Driven Scale

Gusto; San Francisco (CA); Hybrid; USD 223,000 - 278,000; Full time

Job summary

Gusto in San Francisco is hiring seasoned software engineers to join core platform capabilities, focusing on tax and payroll systems that scale to millions of users. As a senior engineer, you’ll influence feature specs, shape architecture, and deliver robust, scalable code across Ruby on Rails, TypeScript, and React.

Excellent collaboration and AI tooling experience valued. This hybrid role requires commuting to SF office 2-3 days per week; compensation ranges from $223,000 to $278,000 plus

Qualifications

• 10+ years of experience in software engineering
• Experience designing and developing robust, distributed systems
• Experience guiding multiple teams on scaling and refactoring
• Experience architecting and testing large-scale production code
• Able to communicate technical complexity clearly

Responsibilities

• Design, build, and test the platform that supports tax compliance for millions of people
• Help scale one of the largest Ruby/Rails and TS/React apps
• Collaborate with cross-functional teams to solve complex problems
• Improve productivity and happiness of teams through services and APIs you build
• Build guardrails to enable safe AI integration in the Tax platform
• Mentor engineers and elevate team capabilities
• Own and drive the technical strategy and roadmap for your domain
• Identify long-term investments to improve foundational systems
• Lead improvements to incident response processes and tooling
• Contribute to a culture of productivity and innovation

Skills

Distributed systems design

Cross-functional collaboration

Scalability

Tools

Ruby on Rails

TypeScript

React

Job description

Gusto in San Francisco is hiring seasoned software engineers to join core platform capabilities, focusing on tax and payroll systems that scale to millions of users. As a senior engineer, you’ll influence feature specs, shape architecture, and deliver robust, scalable code across Ruby on Rails, TypeScript, and React.

Excellent collaboration and AI tooling experience valued. This hybrid role requires commuting to SF office 2-3 days per week; compensation ranges from $223,000 to $278,000 plus