Banking Platform Architecture Lead

Ey; England; On-site; GBP 90,000 - 130,000; Full time

Job summary

EY is seeking a Platform & Integration Architect to design and evolve the platform capabilities that connect domains and enable safe scaling of digital and AI on top of modernised cores. Define interoperability patterns, guardrails and reusable platform services to accelerate delivery with control.

You will partner with architects, product owners and engineering leadership to shape proposals, provide solution credibility in pursuits and coach teams on reliability, security and cost

Qualifications

• Platform/integration architecture across APIs, events and microservices; understanding of cloud platform services.
• Experience defining patterns/guardrails and working with multiple delivery teams in parallel.
• Knowledge of identity, secrets, observability and operational controls.
• Strong collaboration with architects, product owners and engineering leadership.
• Exposure to FinOps, cost attribution and performance engineering.
• CIO advisory experience (strategy, sourcing, operating model).

Responsibilities

• Define platform services: API gateway, event mesh, identity/access, reference data, observability and developer tooling.
• Establish API/event patterns and domain contracts across core, channels, ledger, risk and data platforms.
• Contribute to technology strategy (build/buy, cloud/on‑prem) and IT operating‑model changes that improve the business of IT.
• Guide teams on reliability, security, compliance and cost; partner with TMOs on release governance and controls.
• Shape and deliver scalable, resilient, end‑to‑end solutions, ensuring designs are fully considered, robust and aligned to agreed architectural standards.
• Act as the conduit between business and technology functions; translate outcomes into clear design options and actionable plans.
• Provide high‑quality guidance and documentation to enable a rapid, secure path from design to build/run.
• Contribute to business development: shape proposals, provide solution credibility in pursuits, and support mobilisation of wins.
• Develop people and communities of practice; coach junior colleagues and embed reusable patterns, assets and playbooks.

Skills

Platform architecture

API patterns

Identity & security

Collaboration with architects

Job description

EY is seeking a Platform & Integration Architect to design and evolve the platform capabilities that connect domains and enable safe scaling of digital and AI on top of modernised cores. Define interoperability patterns, guardrails and reusable platform services to accelerate delivery with control.

You will partner with architects, product owners and engineering leadership to shape proposals, provide solution credibility in pursuits and coach teams on reliability, security and cost