The opportunity
EY’s General Tax Centre of Excellence Data & AI team play a prominent role in leading client transformation initiatives that leverage Data & AI as core capabilities. The CoE seeks to architect reusable patterns and process blueprints to bootstrap scalability across all the EY Tax technology teams in all key markets.
You will have an existing opportunity to stay on the leading edge of technology development and to contribute to the successful transformation of EY tax and its clients.
Role Purpose
The Data & AI Specialist role is responsible for supporting the Data & AI Leader of Agentic Tax Processes & Platforms in the design, architecting and build of agentic tax workflows, underpinned by AI‑ready data products and robust data engineering.
This role sits at the intersection of:
Tax domain understanding
Data architecture and engineering
Applied AI and agent orchestration
It ensures that agents are fed with trusted, timely, well‑structured data and are deployed in a way that scales across clients and platforms.
Key Responsibilities
Agentic Workflow & AI Design
Design agentic workflows for tax processes, including:
task‑level agent responsibilities
agent‑to‑agent communication patterns
human‑in‑the‑Loop and escalation models
feedback loops and agent performance monitoring and evaluations
Define reusable agent blueprints aligned to Lean‑derived task definitions
Apply leading edge agentic driven design and build methodologies eg. use of Codex, Factory ai, GitHub Copilot.
Data Architecture & AI‑Ready Data Products
Build of AI‑ready data marts that:
expose tax data at the right grain
maintain lineage and quality controls
support deterministic and probabilistic reasoning
Build data ingestion and transformation from:
ERP systems
tax platforms
semi‑structured documents
external data sources
Agent Governance & Security
Build embedded agent and workflow governance and security:
Ensure compatibility and integration with client’s governa
📌 Data and AI Specialist (Madrid)
🏢 Ey
📍 Madrid