Principal Business Finance Manager

Thumbtack helps millions of people confidently care for their homes. Thumbtack is the one app you need to take care of and improve your home — from personalized guidance to AI tools and a best-in-class hiring experience. Every day in every county of the U.S., people turn to Thumbtack to complete urgent repairs, seasonal maintenance and bigger improvements. We help homeowners know which projects to do, when to do them and who to hire from our growing community of 300,000 local service businesses. If making an impact inspires you, join us. Imagine what we’ll build together. About the Finance Team The Thumbtack Finance team’s mission is to be a strategic finance partner to the business — enabling better decisions supported by data, building a world-class finance function, and doing it all with integrity. We work closely with every part of the organization to connect financial insight to business outcomes and help Thumbtack grow responsibly. Our team values clear thinking, sound analysis, and a genuine partnership with the leaders we support. About the role As the Finance Business Partner to the Chief Commercial Officer, you’ll be a trusted advisor to C-suite leadership — bringing expertise in managing resources and growing the business to achieve company goals. You’ll be instrumental in optimizing go-to-market, sales, and revenue-generating initiatives, evaluating performance, and enabling data-driven decision-making. Working with Partnerships, Sales, Revenue Operations, Biz Ops, and Growth Ops, you’ll provide decision support for how sales and partnership choices impact the P&L. This role is built for someone who thrives in a fast-paced, dynamic environment. What you’ll do Conduct financial analysis, forecasting, and budgeting for sales and go-to-market activities. Develop financial models that guide strategic decision-making on key P&L drivers, including where incremental investments will have the greatest impact. Work closely with Sales and Product to assess the impact of incentives, promotions, and pricing changes on revenue. Oversee monthly and quarterly forecasting, reporting, and spend management, providing recommendations to optimize against budget. Analyze and synthesize financial results and communicate key insights to internal stakeholders. Support the business in planning, and help develop team targets and OKRs. In order to be successful, you must bring 8+ years of FP&A experience. Preferred experience in a public company and/or marketplace environment. Experience working with Business Development and Sales teams. Strong financial modeling and analytical skills using Excel and G-Suite. Excellent verbal and written communication skills, with the ability to tell the story beyond the numbers. Ability to translate financial analysis into clear and insightful recommendations. A proactive approach to embracing AI tools to scale processes and deliver actionable insights.