1 of 1 API Design Jobs in South London

focusing on SEPA , ISO 20022 , and UK/EU payment systems. As a key player in the architecture and transformation space, you will collaborate with cross-functional teams to design modern, scalable, and compliant payment solutions across the European landscape. Key Responsibilities Lead the solution design and architecture for payment systems across SEPA and UK schemes. Engage in … end-to-end business analysis – from requirement gathering to stakeholder management. Develop high-level and low-level design documents , functional specs, and architecture blueprints. Drive and support SEPA SCT and SEPA Instant Payment implementations . Ensure alignment with ISO 20022 standards and manage migration or enhancement initiatives. Work closely with internal teams, product owners, compliance, and third-party vendors. … Collaborate with technology teams on API designs, message schemas, and payment flows . Contribute to strategy discussions, payment innovation, and future-proofing initiatives. Key Requirements Proven experience as a Payment Solution Architect or Solutions Architect (with Business Analysis Expertise) in banking or financial institutions. Deep understanding of SEPA (Credit Transfer & Instant) – functional and technical. Strong knowledge of ISO More ❯