Job Description: Head of Architecture (Core Banking and SBS) Location: London (Hybrid ) | Rate: £900 Per Day (Inside IR35) | Duration: 6 Months The Opportunity We are seeking a high-caliber Head of Architecture to lead the technical evolution of a nationally significant financial institution. This is a critical leadership appointment designed to bridge a senior expertise gap. You will serve as the organization''s primary Subject Matter Expert (SME) for Sopra Banking Software (SBS), ensuring our core platform is resilient, scalable, and optimized for a massive digital transformation. This isn''t just an oversight role; you will be the "voice of the platform," challenging global system integrators and steering the architectural roadmap for a mission-critical banking ecosystem. Key Responsibilities Technical Authority: Act as the definitive internal lead on SBS/Sopra architecture, ensuring all solutions align with long-term strategic goals. Supplier Governance: Assertively challenge and steer technical designs from third-party partners (Sopra, Atos, and SIs) to ensure value and technical integrity. Architectural Oversight: Own the end-to-end architectural lifecyclefrom initial build and integration through to testing and release. Modernization and Strategy: Drive the shift toward cloud-native, event-driven architectures (AWS) and lead legacy-to-modern migration workstreams. Stakeholder Influence: Translate complex technical requirements into business-aligned roadmaps for ..... full job details .....