This position is based in Barcelona, Spain. The Tax Engine team is hiring a Sr. Indirect Tax expert with deep Europe, North America or Brazil expertise to join our Global Tax Calculation Services team based in Barcelona. The Global Tax Calculation Services Program is comprised of tax professionals and software engineers that are responsible for providing end-to-end global transaction tax calculation solutions (sales and use taxes, value-added taxes, good and services taxes, and other consumption taxes). The individual in this role will contribute with critical tax research and classification work for complex Indirect Tax landscape and for Europe VAT product and services taxability research, taking ownership on end-to-end cross-functional tax-related projects and process improvements. This position will work closely with local business partners and rest of members of the tax department providing guidance and support to Global Product Classification. The role also requires fluent communication with Product Classification Specialists to provide support on their specific needs to be incorporated into the technical solutions. This position is office-based. Amazon encourages open communication about unique needs for flexible arrangements Key job responsibilities * Supporting and maintaining critical Tax Indirect Tax content across Europe, North America and Brazil. * Supporting dual tax regime operations during the 2026-2032 transition period in Brazil * Supporting and providing ongoing maintenance and enhancements to tax calculation software; * Providing support to the end-to-end Global transaction tax calculation solutions for a broad array of products and services * Supporting internal and external Audits * Providing technical advice on indirect tax rates applicable to Amazon’s catalogue based on the research of tax laws, regulations and jurisdiction changes * Supporting local business partners and tax department members with decisions on product taxability matters * Leverage ontology modeling skills (OWL – Web Ontology Language) to support the engineering team in structuring and formalizing tax classification knowledge, enabling more accurate and scalable taxonomy representations within our technical systems * Participating in team operational excellence programs and process improvements * Actively participate in selected projects throughout their life-cycle