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About Gusto
At Gusto we're on a mission to grow the small business economy. We handle the hard stuff — payroll health insurance 401(k)s and HR — so owners can focus on their craft and their customers. With teams in Denver San Francisco and New York we support more than 500000 small businesses nationwide and are building a workplace that reflects the people we serve.
All full-time employees receive competitive base pay benefits and equity (RSUs) — because everyone who helps build Gusto should share in its success. Offer amounts are determined by role level and location. Learn more about our Total Rewards philosophy.
AI is a fundamental part of how work gets done at Gusto. We expect all team members to actively engage with AI tools relevant to their role and grow their fluency as the technology evolves. AI experience requirements vary by role and will be assessed during the interview process.
About the Role:
We are seeking a Software Engineer to join our People Technology team as the dedicated engineer behind PeopleOS — our AI-native internal HR platform — and the broader suite of custom tools and integrations that power our People tech ecosystem. In this role you will design build and ship software that directly shapes how every Gustie experiences HR from recruiting and onboarding to performance and offboarding.
The ideal candidate is a hands-on full-stack engineer and problem solver who thrives in ambiguity cares about the employee experience and wants to see their work used every day by real people.
About the Team:
The People Solutions team is transforming how Gusto supports its people by pairing cutting-edge AI with smart automation. We build — not just configure — the systems that power People programs and processes. We optimize workflows enhance service delivery and free up teams to focus on meaningful high-impact work to support a more responsive efficient and future-ready people experience.
Here’s what you’ll do day-to-day:
Product Engineering — PeopleOS
- Be the technical owner for PeopleOS our internal AI-powered HR platform that was built with the purpose of enhanced Gustie experiences for people programs and a more efficient People team with features like the Offer Workflow Engine People Home Base portal Celebration tools and automated Talk Track generation
- Partner directly with People Ops stakeholders to translate workflows into working software driving technical design implementation UAT support and release
Integration & Systems Development
- Design build test and maintain integrations across Workday Greenhouse Lattice Slack and Google Workspace
- Build and maintain custom MCP (Model Context Protocol) servers that give AI agents structured access to People Systems data where no native tool MCP exists
AI-Powered Tooling
- Integrate the Anthropic API (Claude) to build intelligent internal tools including QPR coaching agents HR front door chatbots and ticket deflection workflows
- Design prompts handle structured outputs and build safe reliable AI-assisted workflows for People Ops use cases
Collaboration & Quality
- Document integration specs data mappings and system configurations in Notion
- Participate in Jira sprint planning and demo work to stakeholders bi-weekly
- Troubleshoot issues identify root causes and proactively implement corrective actions across the portfolio
Here’s what we're looking for:
- 3–5 years of full-stack software engineering experience with production-quality work in Python TypeScript/Node.js or both
- Strong experience building and consuming REST APIs — including OAuth flows rate limiting pagination and error handling
- Demonstrated ability to integrate SaaS platforms (bonus: Workday Greenhouse Slack or Google Workspace)
- Comfort with AI/LLM API integration — Anthropic Claude OpenAI or equivalent — including prompt design and response parsing
- Experience shipping internal tools or developer tooling with real end users and feedback loops
- Strong written communication: you can document your own APIs write a clear tech spec and explain trade-offs to non-engineers
- An understanding of sensitivity of HR data and familiarity with implications of labor law and data retention guidelines
Preferred
- Familiarity with MCP (Model Context Protocol) server architecture
- Experience with HR Tech ecosystems: HRIS ATS LMS platforms
- Background in People Ops HR Systems or internal tools engineering at a high-growth tech company
- Experience with XML XSLT JSON and related integration technologies
Our cash compensation amount for this role is between $163370 - $204213 in Denver between $197895 - $247369/year for New York/San Francisco. Final offer amounts are determined by multiple factors including candidate location experience and expertise and may vary from the amounts listed above.
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). The same office expectations apply to all Symmetry roles Gusto's subsidiary whose physical office is in Scottsdale.
Note: The San Francisco office expectations encompass both the San Francisco and San Jose metro areas.
When approved to work from a location other than a Gusto office a secure reliable and consistent internet connection is required. This includes non-office days for hybrid employees.
Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds not just because it's the right thing to do but because it makes our company stronger. If you share our values and our enthusiasm for small businesses you will find a home at Gusto.
Gusto is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race color religion national origin age sex (including pregnancy childbirth or related medical conditions) marital status ancestry physical or mental disability genetic information veteran status gender identity or expression sexual orientation or other applicable legally protected characteristic. 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. We want to see our candidates perform to the best of their ability. If you require a medical or religious accommodation at any time throughout your candidate journey please fill out this form and a member of our team will get in touch with you.
Gusto takes security and protection of your personal information very seriously. Please review our Fraudulent Activity Disclaimer.
Personal information collected and processed as part of your Gusto application will be subject to Gusto's Applicant Privacy Notice.
Skills Required
- 3-5 years of full-stack software engineering experience
- Production-quality work in Python TypeScript or Node.js
- Strong experience building and consuming REST APIs including OAuth flows rate limiting pagination and error handling
- Comfort with AI/LLM API integration (Anthropic Claude OpenAI or equivalent) prompt design and response parsing
- Demonstrated ability to integrate SaaS platforms (Workday Greenhouse Lattice Slack Google Workspace)
- Experience shipping internal tools or developer tooling with real end users and feedback loops
- Strong written communication; document APIs and write clear tech specs for non-engineers
- Understanding of sensitivity of HR data and familiarity with labor law and data retention implications
- Familiarity with MCP (Model Context Protocol) server architecture
- Experience with HR Tech ecosystems: HRIS ATS LMS platforms
- Background in People Ops HR Systems or internal tools engineering at a high-growth tech company
- Experience with XML XSLT JSON and related integration technologies
What the Team is Saying
What We Do
Gusto is a modern online small business platform that helps small businesses take care of their teams. On top of full-service payroll Gusto offers health insurance 401(k)s expert HR and team management tools. Today Gusto offices in Denver San Francisco and New York serve more than 400000 businesses. Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds not just because it's the right thing to do but because it makes our company stronger. If you share our values and our enthusiasm for small businesses you will find a home at Gusto.
Why Work With Us
We help small businesses—the backbone of the economy—thrive. Everything we do ladders up to empowering entrepreneurs and supporting their teams. Gusto empowers builders at every level to take initiative and make things better. You'll be solving meaningful challenges that shape the future of work.
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Employees engage in a combination of remote and on-site work.
We’ve built an inclusive connected culture—no matter where you live. Whether near an office or remote you’ll find opportunities to connect grow and belong. Employees work from the office on 2 designated days per week.
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