Staff Software Engineer Core Products
Gusto is a payroll and HR platform that helps small businesses pay domestic and international employees, manage benefits, and automate compliance.
Maintainer signals as of 8/12/2026
Projects
About Gusto
Gusto serves small and mid-sized businesses with payroll processing, employee benefits administration, and HR tools in one platform. Users can run payroll, manage health insurance, hire globally, and pay international contractors in local currency or USDC stablecoins. The platform automates payroll tax filings across multiple states and integrates with tools like QuickBooks and Xero.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You shape customer-facing features from specification and design through launch and long-term iteration. You write frontend code, build backend APIs, develop and test core products across payroll, benefits, HR, retirement, and financial services, mentor engineers, scale Ruby on Rails and React applications, and address performance and reliability issues.
Requirements
- 10+ years of software development experience
- Scalable solutions
- AI tools
- AI frameworks
- Multi-quarter project ownership
- Large-scale refactoring
- Performance optimization
- Reliability engineering
- Ruby
- Rails
- JavaScript
- React
- Mentoring
Responsibilities
- Shape product features
- Write frontend code
- Design backend APIs
- Build backend APIs
- Design core products
- Build core products
- Test core products
- Mentor engineers
- Scale Ruby on Rails and JavaScript applications
- Collaborate with product, data, design, and platform teams
- Prototype solutions
- Iterate on solutions
- Launch products
- Address performance issues
- Address reliability issues
Benefits
- equity (RSUs)