Staff Software Engineer, Financial Platform
Core
Design, build, and own backend services and APIs for money movement, payments, settlements, and financial integrations within Gusto Retirement.
Role type
Staff Software Engineer (Financial Platform)
Builds
Production-ready financial systems, payment flows, and compliance integrations for small business retirement accounts.
Domain
Fintech / Financial Services / Retirement Platforms
Required skills
Backend services design, API development, Financial systems knowledge, Payments processing, Reconciliation logic, Production support, System ownership, Cross-functional collaboration, Engineering mentorship, Ruby on Rails
Preferred skills
AI tools integration, Emerging AI frameworks, Experimentation with new technologies
Technologies
Ruby on Rails, Backend frameworks, Financial APIs
Responsibilities
Design and ship services and APIs for money movement and financial integrations, Work on payments, settlements, reconciliation, and corrections involving real customer funds, Build and support critical workflows like payroll integration, KYB/KYC, 401k loans, billing and invoicing, and IRA, Debug production issues and improve reliability, observability, and operational tooling, Collaborate with other engineering teams to integrate with shared systems and platforms, Mentor other engineers to help solve some of the hardest technical problems out there in very complex domains and at a large scale, Write clear, reliable, well-tested code that ships quickly and scales well