Gusto · 1 month ago
Staff Software Engineer, Core Products
San Francisco, CA
Full-time
Hybrid
Lead/Staff
$163K/yr - $204K/yr
8+ years expGusto is on a mission to grow the small business economy by handling payroll, health insurance, and HR for owners. The Staff Software Engineer will design, build, and test core products while mentoring other engineers and collaborating with various teams to enhance customer experiences.
AccountingHuman ResourcesEnterprise SoftwareFinanceFinTechSaaSSoftwareBookkeeping and PayrollEmployee BenefitsFinancial Services
Responsibilities
Design, build, and test Gusto core products such as Payroll, Benefits, HR, Retirement, Gusto Money, Gusto Solo, and Gusto Pro, among others
Mentor other engineers to help solve some of the hardest technical problems out there in very complex domains and at a large scale
Help scale one of the largest Ruby/Rails and Javascript/React applications in the world
Collaborate with our Product Management, Data, Design, and Platform Engineering teams to understand customer pain points, come up with solutions, and then prototype, iterate, and launch daily
Build products that our customers genuinely love
Qualification
Required
8+ years of software development experience
Experience building scalable solutions that eliminate customer pain; passion for creating memorable experiences for customers
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
Experience owning multi-quarter projects that solve complex engineering problems and make measurable customer impact at scale
Experience with large scale refactors, performance and reliability issues, and a strong sense of ownership over all aspects of your product area
Ability to mentor engineers to maximize their performance and impact
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
Benefits
All full-time employees receive competitive base pay, benefits, and equity (RSUs) — because everyone who helps build Gusto should share in its success.
Stock equity is additional.
Gusto has physical office spaces in Denver, San Francisco, and New York City.
Employees who are based in those locations will be expected to work from the office on designated days approximately 2-3 days per week (or more depending on role).
When approved to work from a location other than a Gusto office, a secure, reliable, and consistent internet connection is required.
Gusto is proud to be an equal opportunity employer.
Gusto considers qualified applicants with criminal histories, consistent with applicable federal, state and local law.
Gusto is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures.
Company
Gusto
Gusto is an HR and payroll platform that simplifies complex tasks, empowering businesses to focus on what matters most.
1001-5000 employees
H1B Sponsorship
Gusto has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
78%
Represents job field similar to this job
Engineering and Development
Product Management
Marketing
Accounting and Finance
Management and Executive
Sales
Human Resources
Legal and Compliance
Customer Service and Support
Trends of Total Sponsorships
*2026 (13)
2025 (49)
2024 (54)
2023 (19)
2022 (37)
2021 (24)
Funding
Current Stage
Late StageTotal Funding
$746.1MKey Investors
Zentavo VCFriends & Family CapitalT. Rowe Price
2025-07-07Series Unknown
2023-01-28Series Unknown
2022-05-12Series E· $55M
Leadership Team
Josh Reeves
Co-Founder & Head of Gusto (CEO). Building Gusto for the Long Term.
Edward Kim
Co-founder and Head of Technology
Recent News
Flex Capital
2026-07-11
vcnewsdaily
2026-07-10
Company data provided by crunchbase