Contract
M365 SME
e2e Infosys
London
£500 - £600/day
Posted: 21 May 2026 (3 days ago)
Closing date: 13 June 2026
Ref: 225112572
- Define target-state architecture for FIS IST across ATM, POS, and digital payment channels
- Establish high availability, active-active, and disaster recovery designs
- Lead architecture blueprints covering transaction routing, authorization, clearing, and settlement flows
- 10+ years in payment switching with deep expertise in FIS IST platform
- Proven experience in enterprise-scale switch architecture and transformation programs
- Strong command over ISO 8583, transaction lifecycle, and routing logic
- Expertise in:
- Distributed systems and microservices architecture
- API-first and event-driven designs
- Hybrid/cloud infrastructure models
- Strong understanding of HSMs, cryptography, and secure transaction processing
- Domain Expertise on Card payment ecosystems (ATM, POS, e-commerce), Scheme connectivity and certification processes, ATM operations, reconciliation, dispute management
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