Salary: £9,600 - 10,800 per year Requirements: Deep expertise in core banking platforms (SOPRA/SBS highly desirable) 10 years in banking architecture / core banking engineering / solution architecture Proven ability to challenge and influence senior stakeholders & suppliers Strong understanding of banking products, processes, and regulatory environments Experience delivering large-scale integrations & core banking implementations Hands-on knowledge of event-driven architecture & cloud (AWS preferred) Track record of owning full lifecycle delivery (build → test → release) Experience with legacy system migration / modernisation programmes Public sector or government-backed financial services experience (desirable) Exposure to highly regulated environments (desirable) Cloud / Architecture certifications (desirable) Responsibilities: Act as the internal authority on core banking (SOPRA/SBS) Challenge and steer supplier solutions (Sopra, Atos, System Integrators) Provide end-to-end architectural oversight across build, test, and release Lead core banking integration, optimisation, and transformation initiatives Drive adoption of cloud-native, event-driven architectures (AWS aligned) Support large-scale migrations and legacy system transformation Ensure alignment between business needs, product capability, and technical delivery Technologies: AWS Cloud Support Architect More: We are offering an exceptional opportunity for a Head of Architecture to join our nationally significant financial organisation, playing a pivotal role in shaping the future of our core banking platform and digital transformation strategy. This is a hybrid role based in London, where you will work 3 times a week. You will provide technical leadership, challenge suppliers, and ensure our platforms are scalable, secure, and aligned with our long-term strategic goals. This role has been created to fill a critical expertise gap within our team. last updated 14 week of 2026