Salary: £69,000 - 109,000 per year Requirements: 15 years of experience in software engineering and solution architecture, with a strong focus on banking and payments systems Deep domain knowledge of card processing systems (e.g., authorization, clearing, settlement, dispute management) Proven experience designing high-throughput, low-latency transactional systems Experience operating within large-scale, matrixed enterprise environments Strong background in cloud-native architecture (AWS, Azure, or GCP), including relevant certifications Demonstrated ability to handle complex, ambiguous technical problems and translate them into structured solutions Strong stakeholder engagement across business, engineering, and infrastructure teams Technical Skills in Architecture & Design: Microservices, event-driven architecture, domain-driven design (DDD), layered architecture Integration expertise with RESTful APIs, OpenAPI specs, messaging systems (Kafka, MQ), asynchronous processing Familiarity with Cloud & Infrastructure: Cloud-native design, containerization (Docker, Kubernetes), CI/CD pipelines Knowledge of Data Management: Distributed data systems, RDBMS/NoSQL, data modeling, data consistency patterns Understanding of Security: Secure-by-design principles, IAM, encryption, threat modeling, regulatory compliance Skills in Resilience: High availability, fault tolerance, disaster recovery, observability (logging, monitoring, tracing) Experience designing across channels: web, mobile, API gateways, and backend orchestration layers Exposure to legacy integration with mainframe systems (desirable but not essential) Strong focus on cybersecurity and secure architecture practices Ability to mentor engineers and architects, driving technical best practices and governance Comfortable working across global teams with distributed stakeholders Responsibilities: Own and deliver end-to-end solution architecture for card-based systems, ensuring alignment with enterprise architecture principles and platform roadmaps Translate business requirements (BRDs) into solution designs, decomposing into MVPs, epics, and detailed technical stories Design and implement scalable, resilient, and secure architectures across distributed systems Define integration patterns (REST APIs, messaging, event-driven architecture) across internal platforms and external partners Provide hands-on architectural leadership to engineering teams, ensuring design consistency and adherence to standards Govern solutions through architecture review boards, ensuring compliance with security, data, and infrastructure standards Identify and mitigate technical risks, including performance, scalability, and security concerns Collaborate with vendors and third parties to define interoperability models and integration contracts Contribute to technology strategy, including cloud adoption, modernization, and legacy transformation initiatives Promote adoption of modern engineering practices including microservices, API-first design, and domain-driven design Technologies: API AWS Azure Backend CI/CD Cloud DDD Docker GCP IAM Kafka Kubernetes Mobile NoSQL OpenAPI REST Security Web microservices Architect More: We are seeking two highly experienced Senior Solution Architects with deep expertise in card processing platforms to drive architecture and design across a large-scale commercial cards ecosystem. Our team values collaboration and innovation, and we offer an inclusive environment where your contributions have a significant impact. Join us to advance your career in a dynamic setting and be part of our mission to deliver exceptional solutions. last updated 14 week of 2026