Skip to content
GustoGustoSan Francisco, CA

Staff Software Engineer, Core Platforms

Staff Software Engineer builds and scales core platform services like communications, reporting, and payments using Ruby/Rails and React. Requires 8+ years experience, AI tool usage, mentoring, and ownership of complex projects at scale.

163k – 247k/yr
Hybrid8+ YOEFullstack Engineering

About the role

Responsibilities

  • Design, build, and test Gusto core platform services – communications, reporting, dashboards, access, workflows, risk, payments, and compliance capabilities, 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 Engineering, Product Management, Data, and Design teams to understand customer pain points, come up with solutions, and then prototype, iterate, and launch daily

Requirements

  • 8+ years of software development experience
  • Passion for creating scalable, efficient platforms for users
  • Experience leveraging AI tools or systems to accelerate development, improve testing, and deliver new platform 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 user impact at scale
  • Experience with large scale refactors, performance and reliability issues, and a strong sense of ownership over all aspects of your platform area
  • Ability to mentor engineers to maximize their performance and impact

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

Compensation

  • $163,000–$204,000 in Denver & most remote locations
  • $197,000–$247,000 for San Francisco & New York
  • Stock equity is additional

Skills

Ruby on RailsJavaScriptReactAI ToolsRubyTest-Driven Development
Gusto

Frontend Full Stack Staff Software Engineer, AI Platform Experiences

GustoNew York, NY +2

Build and scale Gus, Gusto's AI-powered assistant, and the platform enabling AI-native experiences across web, mobile, voice, and agent channels. Own end-to-end projects at the intersection of modern AI and customer needs.

163k – 247k/yr
Hybrid8+ YOEFullstack Engineering
Databricks

Staff Software Engineer, Search Quality

DatabricksMountain View, CA

Leads technical vision and development of search quality systems, including ranking models, relevance evaluation, and hybrid retrieval for enterprise AI applications. Requires 10+ years experience in large-scale search and ML-driven relevance systems.

165k – 220k/yr
On-site10+ YOEFullstack Engineering
Zus Health

Staff Full Stack Engineer

Zus HealthUnited States

Builds and operates full-stack web applications and APIs for healthcare data platforms, from React UIs to AWS backend services. Collaborates across teams to deliver scalable features, provides technical leadership, and ensures maintainability in a fast-paced startup.

160k – 200k/yr
RemoteFullstack Engineering
Commure

Staff Software Engineer, RCM Billing

CommureMountain View, CA +3

Staff Software Engineer building and scaling the full-stack Insights platform (React, Python, PostgreSQL) that powers RCM and practice operations for thousands of healthcare practices. Lead architecture, performance, observability, and mentor engineers in a high-impact healthcare AI company.

170k – 240k/yr
Hybrid10+ YOEFullstack Engineering
Commure

Staff Software Engineer, RCM Core

CommureMountain View, CA +3

Staff Software Engineer building autonomous AI agents and copilots for healthcare Revenue Cycle Management (RCM). Own end-to-end LLM-powered workflows for claims, denials, and document extraction on a scalable platform integrated with 60+ EHRs. Requires 10+ years experience across full stack, cloud, and orchestration tools.

170k – 240k/yr
Hybrid10+ YOEFullstack Engineering