Analyst | Tax Data Automation (Python & SQL)

Job Requisition ID: 41834 

• Work in a start-up- like environment – opportunity to develop new features   
• World-class learning and leadership programs – to continually drive your career  
• Discounts & perks – a variety of employee discounts at over 100 leading retailers  

This is your chance to help shape how Deloitte and our clients use data, automation and AI to transform tax. As a Tax Data Automation Analyst in our Tax Transformation & Technology team, you will work with Tax specialists and engineers to turn complex tax logic, client data and expected outcomes into reliable, traceable and testable solutions. 

What will your typical day look like?   

You will work with tax specialists and engineers to understand how tax decisions should be applied to client data, then translate those requirements into executable rules, transformations and automated tests. 

Your work may include:

• Working with Tax specialists to clarify requirements, exceptions and expected outcomes. 
• Building and maintaining tax calculation, classification and validation rules using Python, SQL and established engineering patterns. 
• Building data workflows, schemas, mappings and client configurations for ERP and finance data. 
• Implementing automated data-quality, anomaly, reconciliation and regression controls using reference datasets, golden datasets and output comparisons. 
• Diagnosing and resolving production issues across live Tax modules during peak delivery periods. 
• Documenting rules, schemas, transformations and technical decisions for people and AI-assisted tools. 
• Improving the Tax platform and rules-engine framework through reusable capabilities, templates and tooling. 
• Contributing to Python tools, data services and evaluation harnesses for AI-assisted and agentic Tax workflows. 

About the team  

Deloitte’s Tax Transformation & Technology team builds and operates the products, platforms and engineering capabilities that are changing how tax work gets done. We believe the future of tax will be powered by data, automation and AI.

Our multidisciplinary team brings together tax specialists, rules and data engineers, software engineers, product thinkers and AI technologists to solve complex problems and turn ideas into dependable production solutions. We are modernising our shared tax platform and rules-engine while supporting a portfolio of business-critical tax modules.

You will join a collaborative engineering environment where quality, traceability and continuous learning matter as much as delivery speed.

Enough about us, let’s talk about you.   

• Around 1-2 years’ experience in data engineering, analytics engineering or data automation 
• Strong Python and SQL for ELT and rules-based processing 
• Experience with Polars, Pandas, DuckDB, or similar data-processing tools 
• Knowledge of relational data, data quality and ETL/ELT patterns 
• Experience validating and reconciling data using reference datasets, output comparisons or automated tests 
• Ability to build data-quality and anomaly controls and troubleshoot production issues 
• Ability to workshop requirements with Tax SMEs and translate them into testable rules 
• Strong logical reasoning across calculations, classifications, precedence and exceptions 
• Familiarity with Git, code reviews, automated testing, CI/CD and technical documentation 
• Clear communication, curiosity and a self-directed approach to learning 
• Exposure to the following would be advantageous: 
  • Tax, accounting, ERP or other finance data 
  • Rules engines, decision tables or configuration-driven processing 
  • Azure, Docker, Kubernetes, Airflow or other cloud, container and orchestration technologies 
  • Statistical anomaly detection or advanced data profiling techniques
  • AI-assisted engineering tools and exposure to LLM APIs, tool calling, evaluation harnesses or agentic Tax workflows
• You do not need to arrive as a Tax or AI specialist. We are looking for strong Python and SQL foundations, careful reasoning and a willingness to learn. 

Why Deloitte?  

At Deloitte, we focus our energy on interesting and impactful work. We're always learning, innovating and setting the standard; making a positive difference to our clients and our society. We put coaching at the heart of what we do, helping our people grow their careers in any direction - whether it be up, moving into something new, or even moving across the world.

We embrace diversity, equity and inclusion. We have a diverse collection of people from different backgrounds, with different experiences, gender identities, abilities and thinking styles. What binds us together is a shared commitment to value everyone's perspective and to cultivate inclusion; so that our work environment is a safe space we can all belong.

We value in-person connection with our clients and our colleagues. We offer several ways for you to work flexibly so that you can serve your clients, stay connected with your team, and manage your personal priorities.

We help you live and work well. To support your personal and professional life, we offer a range of perks and benefits, including retail discounts, wellbeing leave, paid volunteering days, twelve flexible working options, market-leading parental leave and return to work support package.

Next Steps

Sound like the sort of role for you? Apply now, we'd love to hear from you!

By applying for this job, you'll be assessed against the Deloitte Talent Standards. We've designed these standards so that you can grow in your career, and we can provide our clients with a consistent and exceptional Deloitte employee experience globally. The preferred candidate will be subject to background screening by Deloitte or by their external third-party provider.