HP NonStop Tandem Developer (Payments, Cards) - London and remote - 12 months+

HP NonStop Tandem Developer (Payments, Cards) - London and remote - 12 months+/RATE: £437.5 per day inside IR35 One of our Blue Chip Clients is urgently looking for a HP NonStop Tandem Developer (Payments, Cards) . For this role you will need to be onsite in London 2-3 days per week. Please find some details below: CONTRACTOR MUST BE ELIGIBLE FOR BPSS MUST BE PAYE THROUGH UMBRELLA Role Description: We are seeking an experienced Tandem Developer to join 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 andamp; Maintenance: o Design, develop, and maintain applications on the HP NonStop (Tandem) platform. o Work with TACL, Cobol, C, and Guardian for application development and support. Cards andamp; 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 andamp; Optimization: o Perform system analysis, troubleshooting, and performance tuning for high-volume transaction environments. Compliance andamp; Security: ..... full job details .....