As a Junior Tax Specialist , you will be part of our Finance team, ensuring robust VAT compliance and providing expert tax guidance to support our fast-growing e-commerce business. By overseeing VAT reporting, managing cross-border tax obligations, and collaborating with internal stakeholders, you will help ensure that our tax processes remain compliant, efficient, and aligned with evolving regulations. This position is permanent and based in Warsaw . Be a key contributor to our Finance team, supporting the delivery of a world-class e-commerce experience while ensuring compliant and efficient tax processes across multiple jurisdictions Manage end-to-end VAT compliance, including preparing VAT returns, EC Sales Lists, Intrastat, SAF-T, and other local indirect tax filings, ensuring timely and accurate reporting Provide VAT advisory and tax guidance by analysing tax legislation, identifying risks, and proposing practical solutions for business transactions and operational processes Act as a point of contact for tax authorities during VAT audits, coordinating responses to inquiries from auditors and internal stakeholders Drive improvements in VAT processes, including leveraging AI to enhance VAT data quality, automate controls, and strengthen documentation Collaborate closely with Accounting, Supply Chain, Tech, and Customer Care teams to support VAT-related business projects A master’s degree in Finance, Accounting, Law, or a related field, combined with first professional experience in indirect tax or a comparable in-house VAT expert role Profound expertise in Polish and EU VAT regulations, including experience with Intrastat reporting and a solid understanding of accounting principles Practical experience with Microsoft Office (especially Excel) and ERP systems such as Microsoft Dynamics 365 Business Central or similar Strong attention to detail, reliability, and a proactive, solution-oriented approach with a high level of ownership Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams Fluency in English; knowledge of German or another European language is a distinct advantage