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Principal Software Engineer, Payroll and Tax

Gusto

$222,000 - $290,000
Aug 20, 2025
Denver, CO, US • San Francisco, CA, US • New York, NY, US • Seattle, WA, US • Washington, DC, US
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Gusto is looking to improve its payroll system and core platform capabilities for extensibility and scalability.

Requirements

  • Strong knowledge of data structures, data modeling, and system design
  • Experience working across 3+ teams, influencing both product and team direction
  • Experience working on platform products which are depended upon throughout the company
  • Experience engineering, designing, building and supporting large scale systems in production
  • Experience with Ruby/Rails and TypeScript/React
  • Experience operationalizing and scaling large interconnected production systems
  • Aptitude in bringing clarity and simplicity to complex problems, communicating technical complexity and facilitating informed tradeoffs to major stakeholders

Responsibilities

  • Design, build, and test the foundation that supports compliant payroll for millions of people
  • Help scale one of the largest Ruby/Rails and TypeScript/React applications in the world
  • Collaborate on complex and ambiguous problems with partnerships from Engineering, Product Management, Design, Data Science, Compliance, Operations, and other cross-functional teams
  • Mentor and grow fellow engineers working to create holistic and scalable solutions
  • Drive the product development process from concept to launch, delivering delightful products that make payroll, taxes, and compliance simple and easy
  • Improve the productivity and happiness of our teams with the services, tools, and APIs you build
  • Engage in a highly supportive environment working with others to drive productivity and innovation

Other

  • Function as a Technical Lead across multiple teams in Payroll Services, helping us keep engineers unblocked and deliver high-quality work supporting our long-term goals
  • Travel to Gusto’s Denver office for onboarding is required for this position
  • Employees who are based in Denver, San Francisco, and New York City will be expected to work from the office on designated days approximately 2-3 days per week (or more depending on role)
  • A secure, reliable, and consistent internet connection is required when working remotely
  • 15+ years of experience
  • Enthusiasm for a collaborative, test-driven environment