Senior Staff AI Software Engineer San Francisco, CA;New York, NY

Company: Gusto
Location: San Francisco
Posted on: June 1, 2025

Job Description:

About the Role:
Gusto is a modern, online people 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 300,000 businesses nationwide.
Our mission is to create a world where work empowers a better life, and it starts right here at Gusto. That's why we're committed to building a collaborative and inclusive workplace. Learn more about our .
About the Team:
We're hiring a Principal AI Software Engineer to build the future of the small business backoffice, powered by AI agents. Our team's mission is to build AI agents that make small business owners 10x more powerful. This team operates as a startup-within-a-startup where you'll report directly to Gusto's co-founder/Head of Technology.
Responsibilities:

• 
  
• Build our Gusto's agentic AI applications.
  
• Imagine a world where the small business back office is made 10x more efficient through AI agents.
  
• Work with Gusto's co-founder to ship code that turns this into a reality.
  
• Mentor and provide guidance to other AI software engineers, fostering their growth and development.
  
  Qualifications:
  
  • 
    
  • 15+ years of software development experience.
    
  • Expertise in Agentic AI, Machine Learning, and LLMs is essential. You should be considered an expert in this field.
    
  • A startup/founder mindset - comfortable with ambiguity, risk taking, and operating in a high-intensity environment.
    
    Compensation:
    
    • 
      
    • Our cash compensation amount for this role is targeted at $191,000/yr to $237,000/yr in Denver & most remote locations, and $225,000/yr to $279,000/yr for San Francisco, New York & Seattle. Stock equity is additional. Final offer amounts are determined by multiple factors including candidate experience and expertise and may vary from the amounts listed above.
      
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Keywords: Gusto, South San Francisco , Senior Staff AI Software Engineer San Francisco, CA;New York, NY, IT / Software / Systems , San Francisco, California