SME Tax Manager, Madrid

Company Founded by CPAs, tax attorneys, and engineers, Taxbit is the leading innovator automating global tax reporting for the digital economy. Taxbit's AI-enabled platform streamlines compliance related to digital assets, payments, and other financial transactions. Its unique combination of deep subject matter expertise and AI-forward technology have made it a fast-growing disruptor trusted by the world's leading fintechs, marketplaces, digital asset players, Big 4 accounting firms, traditional enterprises, and government agencies. Backed by top-tier Silicon Valley VCs, Taxbit's team is located across offices in San Francisco, New York, Seattle, Salt Lake City, London, Madrid, and Singapore. Opportunity for Impact We are seeking a highly skilled Subject Matter Expert (SME) in Information Reporting to serve as the bridge between complex tax regulations and our commercial success. This is a multi-disciplinary role where you will act as the "technical brain" for our Go-To-Market (GTM) team, a strategic advisor for Client Implementations, and a core logic architect for our Automatic Exchange of Information (AEOI) product suite. The ideal candidate possesses deep domain expertise in IRS Chapter 3 & 4 (FATCA), CRS, CARF, and domestic information reporting (1099/1042-S series), with the ability to translate these requirements into actionable product logic and winning sales narratives. Help us build the future of AI-powered compliance, automation, and operational excellence in an industry where precision matters. As a SME Tax Manager, you’ll be a member of Taxbit’s Subject Matter Expert (SME) team. This role is based in Madrid. Candidates must be legally authorized to work in Spain or another European Union country without company-sponsored visa support (e.g., holders of a valid Residency and Work Visa or Permanent Resident status). Role and Responsibilities 1. Go-To-Market & Commercial Strategy • Engage directly with our sales and business development team to execute the go to market expansion strategy, developing enablement materials and providing the necessary tax subject matter expertise training for new regulations • Engage directly with prospects, with particular focus on accelerating or expanding the largest and/or most strategic deals for Taxbit qualifications Partner with Marketing to produce white papers, webinars, and thought-leadership content regarding regulatory shifts (e.g., CARF, 1099-DA, or changes to DAC7). Monitor the regulatory landscape to identify market gaps and help position our product as the premier solution for compliance. 2. Client Success & Implementations • Partner with Customer Operations to drive engagements and implementations of the Tax Enterprise Platform. Provide customer and internal support during peak filing seasons, troubleshooting complex filing errors and interpreting IRS/Global jurisdiction schemas. Conduct workshops for the Customer Success team to level up their understanding of withholding and reporting nuances. • Develop a deep understanding of our customers and their business, processes, and products through proactive communication and in depth discovery. • Work with Taxbit Engineering and Product teams to ensure accuracy of data integration and completeness of client data 3. Product Logic & AEOI Development • Support our Product Team by defining and documenting business requirements for our AEOI (FATCA/CRS) engine, ensuring the software correctly handles the rules and output. • Work closely with Product Managers to prioritize features based on upcoming regulatory deadlines and global reporting changes. • Validate that product outputs (Forms 1099, 1042-S, and XML files) meet the rigorous standards of global tax authorities. Professional Qualifications • Fluent in Englis