# Staff Software Engineer, Product Engineer

**Company:** [Gusto](https://hotfix.jobs/companies/gusto)
**Location:** New York, NY
**Role:** Fullstack Engineering
**Salary:** $197k – $247k/yr
**Experience:** 8+ years
**Skills:** Ruby on Rails, JavaScript, React, Frontend Development, Backend Development, API Design, Performance Optimization, Code Refactoring, Mentorship, AI Tools
**Posted:** 2026-06-24

> Seasoned full-stack engineer building and scaling Gusto's customer-facing products (Payroll, Benefits, HR). Owns multi-quarter projects, mentors engineers, and leverages AI tools. Requires 8+ years experience.

## Job Description

## Responsibilities
- Design, build, and test Gusto core products such as Payroll, Benefits, HR, Retirement, Gusto Money, Gusto Solo, and Gusto Pro
- Mentor other engineers to help solve complex technical problems at large scale
- Help scale one of the largest Ruby/Rails and Javascript/React applications in the world
- Collaborate with Product Management, Data, Design, and Platform Engineering teams to understand customer pain points, prototype, iterate, and launch features
- Own multi-quarter projects that solve complex engineering problems and deliver measurable customer impact at scale
- Perform large-scale refactors, address performance and reliability issues
- Take ownership over all aspects of your product area

## Requirements
- 8+ years of software development experience
- Experience building scalable solutions that eliminate customer pain
- Experience owning multi-quarter projects with measurable customer impact at scale
- Experience with large-scale refactors, performance and reliability issues
- Strong sense of ownership over product areas
- Ability to mentor engineers to maximize their performance and impact
- Experience leveraging AI tools or systems to accelerate development, improve testing, and deliver new product capabilities
- Curiosity and experimentation with emerging AI frameworks; applying and sharing best practices to evaluate and scale AI use safely across teams

## Nice-to-Haves
- Experience in, or interest working in, Ruby on Rails
- Appreciation for a collaborative, test-driven environment
- Ability to build well-structured, maintainable, well-documented code
- Ability to effectively communicate across engineering teams and with business stakeholders

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**Apply:** https://hotfix.jobs/jobs/629ac604-4e71-4e24-bb25-d5415b302735
**Canonical:** https://hotfix.jobs/jobs/629ac604-4e71-4e24-bb25-d5415b302735