Junior Solutions Architect, Tax Transformation Office, London

At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world.

The opportunity

EY Tax is a market leader, renowned for delivering sustainable growth and empowering our people to shape their own careers. Our diverse, collaborative team advises on high-profile transactions, combining technical expertise, innovation and a genuine focus on continuous development. Join us to work on challenging, multi-country projects in a supportive, dynamic environment where your impact truly matters. EY’s UK Financial Services Tax (UKFS) is expanding its Transformation Office to accelerate the adoption of AI and technology across all Tax sub-service lines (SSLs). This role will be pivotal in driving strategic initiatives, managing AI enablement, and supporting innovation across our Tax practice. As a Solution Architect, you will design and deliver cloud‑native and AI‑enabled solutions that modernise tax processes and scale innovation across the firm. You’ll partner with business stakeholders, product managers, business analysts and programme managers to translate complex needs into robust solutions leveraging GenAI and ML where it creates measurable value.

Your key responsibilities

• Define end‑to‑end cloud‑native architectures; ensure scalability, security, reliability, and cost effectiveness.
• Design and implement AI agents and multi‑agent systems; using agent orchestration frameworks such as LangGraph, Semantic Kernel (or similar); establish standards for agent lifecycle, observability, governance, and safety.
• Provide technical direction across solution design, coding standards, DevOps and CI/CD; contribute hands‑on development when needed.
• Architect patterns and guardrails for Power Apps/Automate/BI; integrate with Azure services, data sources and enterprise controls.
• Work directly with business stakeholders to shape requirements, roadmaps and success measures; proactively manage risks, trade‑offs and delivery plans.
• Produce high‑quality architecture artefacts (views, decisions, runbooks); curate reusable patterns and reference implementations across service lines.
• Guide non‑functional testing (performance, resilience, security); implement monitoring/observability; drive continuous improvement post‑go‑live.
• Collaborate with product managers, BAs, programme managers and engineering teams and citizen developers.
• Provide clear, timely updates to leadership on progress, risks, dependencies and opportunities.

Skills and attributes for success

What we look for

• Strong experience with Microsoft Azure, Kubernetes, and cloud‑native architecture.
• Proficiency in one of Python, .NET, or Java.
• Proficiency in one of the database systems.
• Practical experience applying GenAI/LLM capabilities and machine learning.
• Experience building AI agents and multi‑agent systems; orchestration using LangGraph or similar frameworks.
• Experience with Microsoft Power Platform (Power Apps, Power Automate, Power BI) is beneficial.
• API design, messaging, event streaming; data pipelines, vector stores/embeddings; security (identity, secrets, role‑based access).
• CI/CD, infrastructure‑as‑code, automated testing, observability, and reliability engineering.
• Strong experience in business stakeholder management.
• Proven track record managing multiple concurrent projects and priorities.
• Comfortable working with product managers, BAs, programme managers and business stakeholders; excellent communication and documentation skills.
• Curiosity, pragmatism, and a bias for measurable impact.

Ideally, you’ll also have

• Experience working with EY Fabric and CT platforms.
• Knowledge of UK tax data/processes and common source systems.

What we offer you

At EY, we’ll develop you with future-focused skills and equip you with world-class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams.

Are you ready to shape your future with confidence? Apply today.

To help create the best experience during the recruitment process, please describe any disability-related adjustments or accommodations you may need.

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets. Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow. EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.