Senior Software Engineer, Financial Data & Payments

Gusto; San Francisco (CA); Hybrid; USD 183,000 - 200,000; Full time

Job summary

Gusto is hiring seasoned engineers to strengthen the financial backbone that powers payroll, health benefits, and payments. You’ll influence architecture, drive scale and modularity, and ship end-to-end projects that affect how employers fund payroll and how employees are paid.

You’ll work with Ruby on Rails, TypeScript, and React, mentor colleagues, and collaborate across Engineering, Product, Design, Data Science, Accounting, Finance, and Compliance to deliver robust, auditable systems.

Qualifications

• Successful applicants have at least 10+ years of experience in engineering.
• Experience building fault-tolerant, mission-critical software and distributed systems.
• Experience influencing multiple teams on scaling, refactoring, and modernization.

Responsibilities

• Design, build, and test ledger and subledger systems recording every dollar.
• Develop scalable reconciliation ensuring records match bank and partner statements.
• Lead end-to-end variance investigations with tooling, runbooks, and root-cause fixes.
• Own the payment profile setup for payroll funding and payments to employees and contractors.
• Improve setup and verification for instant bank verification and graceful recovery.
• Collaborate with cross-functional teams across Engineering, PM, Design, Data Science, Finance, and Compliance.
• Mentor engineers to create holistic, scalable solutions.

Skills

Leadership

Distributed systems

Problem solving

Tools

Ruby on Rails

TypeScript

React

Job description

Gusto is hiring seasoned engineers to strengthen the financial backbone that powers payroll, health benefits, and payments. You’ll influence architecture, drive scale and modularity, and ship end-to-end projects that affect how employers fund payroll and how employees are paid.

You’ll work with Ruby on Rails, TypeScript, and React, mentor colleagues, and collaborate across Engineering, Product, Design, Data Science, Accounting, Finance, and Compliance to deliver robust, auditable systems.