INTERNSHIP - Tax Reporting, Data & Transformation (January 2027)

Job description
CONTEXT: Based at our Global Headquarters in Marseille, the Tax Reporting, Data & Transformation Apprentice supports the Group Tax Reporting team in preparing reliable financial and tax data for reporting and review. Under the team's supervision, the role contributes to automation and approved Artificial Intelligence initiatives while progressively developing practical knowledge of tax accounting and tax proof reconciliations. YOUR ROLE: As a Tax Reporting, Data & Transformation Apprentice, you will support the Group Tax Reporting team in preparing reliable tax data and improving reporting processes in an international environment.
Working under the guidance of the Tax Reporting team, you will help collect, clean and reconcile financial and tax data used in the Group reporting process. You will progressively develop an understanding of tax accounting under IAS 12, including current and deferred taxes, tax proof reconciliations and Effective Tax Rate (ETR) analysis. Alongside these activities, you will contribute to practical automation and Artificial Intelligence projects, helping the team reduce repetitive tasks and strengthen data quality using approved tools. This apprenticeship combines hands-on data work, exposure to international tax reporting and digital transformation. Your responsibilities will develop progressively, with technical conclusions and deliverables reviewed by experienced team members. Start date: January 2027. WHAT ARE YOU GOING TO DO? Tax Data Preparation & Quality:
• Collect, clean and structure financial and tax data from reporting extracts and entity submissions.
• Standardize file formats and reconcile source data with reporting schedules to prepare reliable review files.
• Perform completeness and consistency checks; flag missing information, duplicates and unusual movements.
• Maintain anomaly trackers and prepare proposed corrections for review and validation by the Tax Reporting team. Tax Reporting & Tax Proof Support:
• Support reporting cycles by preparing schedules and supporting reconciliations under the team's guidance.
• Progressively learn current and deferred tax principles under IAS 12 and help prepare tax proof reconciliations between theoretical and reported tax expense.
• Prepare simple Effective Tax Rate comparisons, organize entity explanations and highlight items requiring investigation; technical conclusions remain with experienced team members. Digitalization, Automation & AI:
• Contribute to practical automation of recurring data preparation tasks using Excel, Power Query and other approved tools.
• Test approved AI use cases, such as classifying reporting comments and preparing review summaries, and compare outputs with source information.
• Support simple dashboards and trackers covering data quality, reporting progress and outstanding follow-up items.
• Document test results and limitations, protect confidential data and submit outputs and proposed process changes for human review and approval. Reporting Process & Documentation:
• Maintain organized working files, source references and supporting evidence to enable traceable review of tax reporting data.
• Assist the team in preparing information requests to local finance teams and tracking responses during reporting cycles; document agreed procedures and improvements. Profile description: WHAT ARE WE LOOKING FOR? We are looking for a curious and detail-oriented student who enjoys working with data and wants to learn how accounting, tax reporting and technology come together. You do not need to be a tax or AI expert to join us.
• Background: Currently preparing a master's degree in Finance, Accounting, Audit, Tax or a related discipline, and seeking an apprenticeship as part of your studies. An interest in data analytics and digital transformation is essential.
• Accounting Foundations: Basic understanding of financial statements and accounting principles. Previous internship or project experience in finance, audit, tax or data analysis is welcome but not required.
• Analytical Approach: Ability to work carefully with figures, investigate discrepancies and explain your findings clearly. A willingness to ask questions and learn is more important than prior knowledge of IAS 12 or tax proof reconciliations.
• Digital Skills & Teamwork: Good working knowledge of Excel, including formulas and pivot tables, and curiosity about AI and automation. Familiarity with Power Query or Power BI is a plus; coding and OneStream experience are not required. You are organized, collaborative and attentive to confidentiality.
• Languages: Working proficiency in English and French, with the ability to understand reporting instructions and communicate with colleagues in an international environment.

We offer
WHAT DO WE HAVE TO OFFER? Join our Global HQ Tax Reporting team for an apprenticeship combining practical experience with progressive learning. With guidance from experienced colleagues, you will build skills in tax data quality, IAS 12 reporting and tax proof analysis, while contributing to concrete automation and AI initiatives. You will gain exposure to an international finance environment and see how your work supports more reliable reporting and more efficient processes.