Salary: £90,000 - 100,000 per year Requirements: Experience as a Solution Architect in fintech, payments, card issuing/acquiring, or financial services. Demonstrated experience with large-scale platform, system, and data migrations. Hands-on expertise in designing ETL and data integration pipelines (Python, SQL-based orchestration, cloud-native ETL tools, messaging ingestion). Solid understanding of data engineering concepts with practical experience in SQL Server, MongoDB, Synapse, Fabric, and Snowflake. Familiarity with card-processing systems, scheme integrations, authorization flows, transaction life cycles, and settlement processes; knowledge of cryptographic key migrations (e.g., EMV, PEK) is advantageous. Experience architecting microservices, REST APIs, event-driven architectures, and secure cloud services (Azure). Exceptional communication and collaboration skills, capable of working with senior stakeholders, external partners, and technical teams. Ability to balance strategic thinking with hands-on technical problem solving. Responsibilities: Lead solution architecture for the migration and consolidation of regional card-processing and payments platforms into a modern, unified global environment. Design and own large-scale data migration and ETL processes, including data mapping, transformation logic, orchestration, validation, lineage, and implementation. Translate complex business requirements into data models and data flow diagrams, sequence diagrams, migration runbooks, integration specifications and architectural patterns. Provide hands-on technical guidance to engineering teams during solution buildout, ensuring alignment to architectural standards. Collaborate with compliance functions to ensure architectural designs meet regulatory obligations (e.g., PCI-DSS, PSD2, AML, GDPR, electronic money regulations). Promote security-by-design across all components, focusing on card data handling, encryption, tokenization, and access controls. Facilitate technical workshops and architecture design reviews with internal teams and external partners. Technologies: Architect Azure Cloud ETL Fabric Flow MongoDB Python REST SQL Security Snowflake microservices More: We are seeking an experienced Solution Architect to play a key role in a large-scale platform migration programme focused on consolidating multiple payment and card-processing systems into a unified global ecosystem. This role can be either mainly remote or hybrid based on your preference. We offer a competitive salary along with a comprehensive benefits package. You will collaborate with various teams including engineering, product, operations, compliance, and partners to define and govern architecture that delivers secure, compliant, resilient, and high-performing outcomes. last updated 9 week of 2026