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About the Role

Own the target-state architecture for core-banking transformation. Define domain models and contracts, API/event patterns and non-functional controls so delivery teams can build safely, interoperate reliably and expose data/logic for AI use cases without compromising resilience or compliance.

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 AI-ready patterns (secure data/logic exposure, test harnesses, guardrails for non-deterministic components).
• 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.

Requirements

• 8+ years in solution/domain architecture with significant core-modernisation experience.
• Mastery of domain-driven 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.
• Experience across multiple core vendors and integration to channels, GL, risk and data platforms.
• Background in setting architecture review boards and guardrails for multi-vendor squads.

Skills

• Domain-driven design
• Integration via APIs/events
• Modern platform patterns (microservices, containers, cloud)
• Stakeholder leadership
• NFR engineering (resilience, security, observability)
• Release governance
• Core-modernisation

Experience Level

• Senior Manager

Benefits

• A competitive rewards package
• Flexibility in how and where you work
• Coaching and feedback from engaged colleagues
• Opportunities to develop new skills (including access to technology learning pathways)

About the Company

• 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.
• 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.