Head of Architecture (SOPRA / SBS) - Hybrid – London - £900 PD (Inside IR35) - 6 Months An exceptional opportunity for a Head of Architecture to join a nationally significant financial organisation, playing a pivotal role in shaping the future of its core banking platform and digital transformation strategy to be based in London 3 x PW. This role has been created to fill a critical expertise gap and will act as the organisation’s go-to SME for Sopra Banking Software (SBS/SOPRA) providing technical leadership, challenging suppliers, and ensuring the platform is scalable, secure, and aligned to long-term strategic goals. The Role 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 Key Experience Required 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 produc...