Senior Manager Core Banking Architect, TC, FS

Role highlights

• Own targetstate designs and domain boundaries for core banking; lead DDD and interoperability.
• Balance strategic optioning with handson design governance across multivendor squads.
• Build AIready access patterns and safe release governance into architecture.

The opportunity

At EY youll have the chance to build a career as unique as you are with the global scale support inclusive culture and technology to become the best version of you. We help Financial Services clients navigate complex technology-enabled transformations. If youre excited by solving hard problems in a fastmoving environment this is where your expertise makes a real impact.

Role purpose

Own the targetstate architecture for corebanking transformation. Define domain models and contracts API/event patterns and nonfunctional controls so delivery teams can build safely interoperate reliably and expose data/logic for AI use cases without compromising resilience or compliance.

Your key responsibilities

• Define target architectures for core and adjacent domains (customer ledger lending treasury) with clear API/event contracts and data responsibilities.
• Lead strategic optioning and roadmaps (progressive modernisation vs replacement) with credible delivery pathways.
• Govern design quality and NFRs (availability performance security operability); manage design risks and decisions.
• Embed AIready patterns (secure data/logic exposure test harnesses guardrails for nondeterministic components).
• Shape and deliver scalable resilient endtoend 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 highquality 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 & experience required

• 8 years in solution/domain architecture with significant coremodernisation experience.
• Mastery of domaindriven design integration via APIs/events and modern platform patterns (microservices containers cloud).
• Stakeholder leadership with CIO/Chief Architect/COO teams; crisp written architecture artefacts.
• Fluency in NFR engineering (resilience security observability) and release governance in regulated environments.

Ideally youll also have

• Experience across multiple core vendors and integration to channels GL risk and data platforms.
• Background in setting architecture review boards and guardrails for multivendor squads.

Success measures (KPIs)

• Design integrity and interoperability outcomes across programmes.
• Roadmap credibility and ontrack delivery against architectural milestones.
• Reduction in defects/rework linked to architecture; NFR compliance.
• Uptake of reusable patterns and models by delivery teams.

What we offer

A competitive rewards package flexibility in how and where you work coaching and feedback from engaged colleagues and opportunities to develop new skills (including access to technology learning pathways).

About EY

As a global leader in assurance tax strategy & transactions and consulting services EY uses its scale and expertise to help clients shape the future with confidence. We invest in training opportunities and the creative freedom to make things better; the exceptional EY experience lasts a lifetime.