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About the Role

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.

Responsibilities

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

Requirements

• 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 Tax, accounting, ERP or other finance data
• Exposure to rules engines, decision tables or configuration-driven processing
• Exposure to Azure, Docker, Kubernetes, Airflow or other cloud, container and orchestration technologies
• Exposure to statistical anomaly detection or advanced data profiling techniques
• Exposure to AI-assisted engineering tools and exposure to LLM APIs, tool calling, evaluation harnesses or agentic Tax workflows
• Strong Python and SQL foundations
• Careful reasoning
• Willingness to learn

Skills

• Python
• SQL
• Polars
• Pandas
• DuckDB
• Git
• CI/CD
• Data Engineering
• Analytics Engineering
• Data Automation
• ELT
• Rules-based processing
• Relational data
• Data quality
• ETL/ELT patterns
• Data validation
• Data reconciliation
• Automated testing
• Technical documentation
• Logical reasoning
• Cloud technologies
• Container technologies
• Orchestration technologies
• Statistical anomaly detection
• Data profiling
• AI-assisted engineering tools
• LLM APIs
• Tool calling
• Evaluation harnesses
• Agentic Tax workflows

Experience Level

• 1-2 years

Benefits

• World-class learning and leadership programs
• Discounts & perks – a variety of employee discounts at over 100 leading retailers
• Retail discounts
• Wellbeing leave
• Paid volunteering days
• Twelve flexible working options
• Market-leading parental leave and return to work support package

About the Company

• 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.
• 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.

Equal Opportunity

• 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.