2 of 2 Contract Payment Gateway Jobs in London

platform. Work with TACL, Cobol, C, and Guardian for application development and support. Implement solutions for card transaction processing, settlement, and authorisation systems. Integrate applications with core banking systems, payment gateways, and compliance frameworks. Conduct system analysis, troubleshooting, and performance tuning for high-volume transactional environments. Provide L2/L3 production support for critical systems, ensuring minimal downtime. Required More ❯

our technology team in London, specializing in Cards domain and banking applications. The ideal candidate will have deep expertise in HP NonStop (Tandem) systems and hands-on experience in payment processing, card transaction systems, and integration with banking platforms. This role involves developing, maintaining, and optimizing mission-critical applications in a high-availability environment. Key Responsibilities: * Application Development & Maintenance … C, and Guardian for application development and support. * Cards & Banking Domain Expertise: o Implement solutions for card transaction processing, settlement, and authorization systems. o Integrate with core banking systems, payment gateways, and regulatory compliance frameworks. * System Analysis & Optimization: o Perform system analysis, troubleshooting, and performance tuning for high-volume transaction environments. * Compliance & Security: o Ensure adherence to PCI DSS … messaging, batch and online transaction processing. * Domain Knowledge: o Hands-on experience in Cards domain (credit/debit card processing, EMV standards, tokenization). o Familiarity with Base24, payment systems, and financial transaction processing. Other Skills: o Strong problem-solving and analytical skills. o Experience with fault-tolerant systems and high-availability architectures. Preferred Qualifications: * Experience with modernization strategies More ❯