Your future companyFor our Client, a global professional services organization operating internationally, with a strong presence across Europe, and part of a highly integrated global Finance function supporting complex, multi-jurisdictional operations, we are recruiting for a role within an organization known for its high standards of compliance, quality, and collaboration, offering a culture built on teamwork, integrity, inclusivity, and continuous improvement, as well as long-term development opportunities, exposure to international projects, and modern, flexible ways of working.Requirements 2–4 years of experience in international / corporate tax compliance, preferably within a global professional services environment; Solid knowledge of corporate income tax and experience in preparing complex tax returns and calculations; Familiarity with IFRS and tax disclosures for financial statements; Understanding of transfer pricing documentation and Country-by-Country Reporting; Interest in or exposure to OECD Pillar 2 regulations; Degree in Accounting, Tax, Finance or related field; partial tax/accounting qualification is an advantage; Very good command of English (C1/C2); Strong analytical skills, attention to detail, and ability to work in a high-compliance environment; Proficiency in MS Excel, Word and PowerPoint. Responsibilities Preparation and submission of UK and European corporate tax returns and supporting computations; Coordination and execution of corporate tax payments across multiple jurisdictions; Supporting non-UK tax return processes in cooperation with internal stakeholders and external advisors; Analysis of corporate tax provisions for consolidated group financial statements; Preparation of tax disclosure notes and handling auditor queries; Support in maintaining and updating transfer pricing documentation and preparation of CbC Reports; Participation in global tax compliance projects, including OECD Pillar 2 data collection and calculations; Managing and analysing partner tax reserve payments and related reconciliations; Supporting tax advisory work through research and calculations; Continuous improvement of tax processes, systems and tools. The offer Employment contract; Hybrid working model (2 days per week from a modern office location in Warsaw); Exposure to international tax projects and collaboration with global stakeholders; Clear development path within a global organization; Comprehensive benefits package, including: Private medical care Life insurance Travel insurance Multisport or transport benefits In-house fitness facilities Wide range of professional trainings Inclusive, people-first culture focused on wellbeing, flexibility, and long-term growth.