Senior Performance Marketing Manager, GTM Experimentation

  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 500,000 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 Gusto is looking for a seasoned performance marketer to own execution across paid social and emerging acquisition channels — testing new platforms, formats, and tactics to find what works before scaling. This is a high-visibility role at the intersection of performance marketing, channel experimentation, and AI-powered workflow design. You will own execution and day-to-day strategy for paid social and new channel tests, working within Gusto's demand generation framework, with clear accountability to pipeline and revenue targets. About the Te