Job Description

General Information

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Company
Deloitte
Business Unit
Tax & Legal
Primary Location
Zaventem
Field of interest
Tax
Industry Focus
Industry Agnostic
Recruiter
van Oost, Alexandra - avanoost@deloitte.com

Description of the position

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Can’t wait to make an impact on the world? You’re not alone. Join us in driving progress in the working world and beyond.

Our International Accounting & Corporate Income Tax Services (IACTS) team is the recognized Center of Excellence for pan-European statutory accounting compliance and corporate tax work. The team is part of the Global Tax Centre Europe and assists businesses in navigating complex financial and tax challenges across more than 30 countries, ensuring full compliance with local and international regulations. Our experts provide tailored solutions, to deliver efficient, accurate and strategic financial reporting and taxation support.

Your journey with us:

We are seeking a Senior Tax Data Analyst who understands tax and accounting-related data challenges and can translate these into AI-powered solutions using modern data technologies. The ideal candidate possesses expertise in Python, SQL, and Databricks with a strong analytical background in tax and accounting data, combined with hands-on experience in Generative AI and Large Language Models (LLMs).

• Tax and Accounting Expertise with AI: Work closely with Tax Compliance engagement teams to deliver AI-powered data solutions by combining practical tax knowledge with emerging AI technologies.
• Generative AI & LLM Integration: Design and implement AI-driven solutions using Large Language Models (LLMs) and prompt engineering to automate tax data extraction, classification, and analysis. Build Retrieval-Augmented Generation (RAG) pipelines for intelligent document processing.
• Data Extraction and Transformation: Extract and analyze data from various databases using Python, SQL, Databricks, and Alteryx. Leverage AI models to automate data extraction from unstructured sources (documents, PDFs).
• Workflow Development & Automation: Develop intelligent workflows and agentic AI solutions using Databricks to streamline tax processes and reduce manual intervention.
• Advanced Data Analysis & AI Insights: Conduct advanced data analysis, statistical modeling, and machine learning to derive valuable insights from tax data. Build predictive models to identify compliance risks and optimization opportunities.
• AI Model Development & Validation: Develop, test, and validate AI/ML models for tax-specific use cases, ensuring accuracy and compliance with responsible AI principles.
• Responsible AI & Governance: Ensure all AI solutions adhere to responsible AI principles, including bias detection, explainability, and governance frameworks. Collaborate with stakeholders to validate AI outputs and maintain trust in automated tax processes.
• Collaboration & Knowledge Sharing: Work with cross-functional teams (tax specialists, IT, business analysts) to understand requirements and deliver AI-driven solutions. Share AI best practices with the team.

Let’s talk about you:

• Experience: 3-6 years of relevant experience

• Education & Tax Knowledge: Bachelor’s or Master’s degree in Commerce or Computer Science, with practical knowledge of Direct Tax and Accounting principles.
• Technical Expertise: Advanced skills in Databricks, Alteryx, SQL, and/or Python for building production-grade data pipelines and automation.
• Generative AI & LLM Experience: Hands-on experience with Generative AI, Large Language Models, LLM APIs, prompt engineering, and Retrieval-Augmented Generation (RAG).
• Communication & Learning: Excellent English communication skills to explain complex AI/data concepts to non-technical stakeholders, with strong adaptability to new AI/ML technologies.
• Preferred Certifications & Tools: Relevant certifications (Databricks, Azure AI, AI/ML specializations) and experience with Power BI, Python ML libraries, vector databases, and LLM fine-tuning.
• Advanced AI & Domain Knowledge: Understanding of responsible AI, AI governance, autonomous workflows, and experience applying AI in tax/finance or intelligent document processing.

Our story
Business Process Solutions is so much more than hard numbers. Think analysis, critical insights, problem-solving and strategic planning. The magic happens when analysis and insight meld. It’s what turns our professionals into trusted advisors who use regulatory compliance and reporting to create opportunities and manage risk for our clients. At Deloitte, we advise a wide range of companies across multidisciplinary services ranging from accounting, tax, legal, HR, mergers and acquisitions to services such as “business control & technology” and “strategy & growth” tailor-made solutions. At the same time, our team of advisors handles cases with a satellite vision, enthusiasm and know-how.
As a member of this dynamic team of professionals, you are in regular contact with business leaders and their teams. You have a great deal of autonomy and responsibilities as well as the possibility of building different relationships of trust, during long-term collaboration. In this way, you become the client’s point of contact for advice on all kinds of financial and economic matters, working with a multidisciplinary team of colleagues.

Who is Deloitte?
We provide industry-leading audit and assurance, tax and legal, consulting and related services. We are committed to driving innovation across offerings to help our clients address their challenges, while giving our professionals opportunities to learn and grow in this era of transformation.
In Belgium, +5000 dedicated professionals active in +10 offices, take great pride in bringing multidisciplinary expertise to a wide variety of clients, from national and international companies, small, fast-growing and large organizations to public institutions and governmental authorities.
Why Deloitte?
Be the true you! We foster diversity and inclusion and encourage you to bring your authentic self to work. Explore, question and collaborate while building a career that inspires and energises you.
Never stop growing! Diversity of thought makes us stronger. At Deloitte, we tailor a personalized learning experience, offering you the opportunity to grow at your own pace and achieve maximum impact.
We practice what we preach! As a Purpose-led organisation, at the heart of everything we do is a set of timeless principles and unifying values
Life looks different for each of us, so we created a varied benefits package that you can tap into:

• My Benefits My Choice, a flexible rewards plan tailored to your lifestyle and priorities
• Sustainable transport options offered by Mobility@Deloitte
• Flexible work arrangements for all and initiatives supported by Parents & Caregivers @Deloitte
• Wellbeing tips and activities powered by Energise@Deloitte
• Topped off with other health benefits and insurance opportunities

Empowering our employees with flexible work arrangements remains essential in today's reality:

• Hybrid workplace: combination of home office and on-site (+10 offices in Belgium or client's premises).
• Part-time employment: all our jobs are open to full-time or part-time work under a 90% or 80% regime.

Join us to make an impact together! Apply now!
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