Tax Manager

At Underdog, we make sports more fun. Our thesis is simple: build the best product for sports fans and we will win the space. Founded in 2020, we're one of the fastest-growing sports companies ever, and there’s still so much left to do. We've built and scaled products across fantasy sports, sports betting, and prediction markets, all united in one app that’s seamless, intuitive, and actually fun to use. Underdog isn’t for everyone. One of our core values is give a sh*t. The people who win here are the ones who care, push, and perform. We’re remote-first by design, but highly collaborative with regular in-person gatherings that help teams build, iterate, and move fast together. Got that dog in you? Join us. After all, winning as an Underdog is more fun. What you'll do: As Underdog’s first dedicated tax hire, you will own and scale the company’s tax function across our diverse and evolving business. You will oversee external tax advisors while taking direct ownership of key filings, calculations, and processes performed in-house. You will manage tax compliance and reporting and partner cross-functionally to incorporate tax requirements into Underdog’s products, systems, and operations. Own Underdog’s overall tax function and serve as the primary internal resource for tax matters across the business Manage federal, state, and local income tax compliance, including coordinating with outside preparers, reviewing filings, and ensuring timely and accurate submissions Directly oversee and prepare key in-house filings and reporting, including state fantasy sports tax filings, customer tax information reporting, and equity-related tax reporting Lead the company’s approach to tax information reporting for prediction market customers as applicable requirements and products evolve Partner with Product, Engineering, and Data to develop and maintain customer-facing tax capabilities and validate the completeness and accuracy of tax calculations and reporting Coordinate the annual tax provision process under ASC 740, serving as the primary liaison with external tax advisors and auditors Coordinate the company’s R&D tax credit analysis and support the collection and documentation of qualifying activities and expenses Research and communicate the tax implications of new products, markets, and business initiatives in partnership with external advisors and internal stakeholders Build scalable tax processes, documentation, reconciliations, and internal controls that can grow with the business Monitor changes in tax law and information-reporting requirements and proactively identify risks, opportunities, and operational impacts Manage relationships with external tax advisors, auditors, and tax authorities Who you are: 5+ years of progressive tax experience, ideally including experience in public accounting and an in-house corporate tax environment CPA with a strong technical foundation in federal and state income tax; Big Four experience is strongly preferred A versatile tax professional comfortable working across a broad range of tax matters, including income tax, industry-specific taxes, and customer information reporting Comfortable overseeing outside advisors while remaining hands-on and accountable for the underlying work Experienced in reviewing complex datasets, reconciling tax calculations, and identifying data or process issues Able to collaborate with cross-functional stakeholders on tax-related business and product needs Skilled at translating complex tax requirements into clear operational and technical requirements for non-tax stakeholders Comfortable being the only tax professional in the room, without a large internal team or established playbook to rely on Detail-oriented and pragmatic, with sound judgment about risk and what to prioritize in a fast-moving environment Able to manage multiple deadlines and competing priorities without dropping the ball Excited to build systems and improve processes, not simply administer existing one…