Senior Staff Software Engineer, Onboarding and Activation

At Gusto, we're on a mission to grow the small business economy by handling the hard stuff , payroll, health insurance, 401(k)s, and HR , so owners can focus on their craft and customers.

As a Senior Staff Software Engineer on the Growth Onboarding team, you'll own the experience that turns curious signups into activated, thriving customers. You'll work full-stack and cross-functionally as both a product builder and a founder, focusing on reimagining our product as a proactive AI teammate that does the work for small businesses.

Key responsibilities:

• Own meaningful slices of the signup-to-activation experience end to end and ship measurable improvements.
• Invent and prototype net-new, 0-to-1 experiences, bringing your own ideas for how AI can reimagine onboarding.
• Partner directly with Product, Design, and Data to frame problems, form hypotheses, and validate them with real customers.
• Identify where AI meaningfully removes customer effort and build those experiences thoughtfully into the flow.
• Design onboarding as modular, reusable building blocks.
• Raise the engineering bar through pragmatic technical direction, high-quality code, and mentoring engineers.

Requirements:

• 10+ years of software engineering experience, including building and shipping customer-facing products at scale.
• A product-minded engineer who starts from the customer problem and the metric that matters.
• Demonstrated ability to move fast and execute with high quality.
• Experience applying AI/LLM capabilities to real product problems.
• A founder mindset: high ownership, comfort with ambiguity and greenfield problems.
• A track record of raising the bar for teams around you.
• Strong full-stack fundamentals and versatility to work wherever the problem is.

We offer a target cash compensation of $223,000/yr to $278,000/yr for San Francisco, plus stock equity.