Senior Payments Developer & Systems Analyst

Role Summary Seeking a hands-on Senior Payments Developer / SystemsAnalyst experienced in building, enhancing and supporting high-volume,business-critical banking payment platforms. The ideal candidate combines strong software developmentskills with deep end-to-end payments knowledge and can move comfortablyfrom requirement and solution analysis to coding, testing, deployment andcomplex production troubleshooting. Roles & Responsibilities • Design, develop and enhance payment processing applications, services, interfaces and transaction-processing components. • Own changes across the SDLC, from requirements and system analysis through development, unit testing, integration testing, deployment and production support. • Understand payment flows end-to-end across Authorization, Routing/Switching, Clearing, Settlement, Reconciliation, Reversals and Chargebacks. • Develop and troubleshoot integrations between payment platforms, banking applications, payment networks and upstream/downstream systems. • Perform ISO 8583 message-level analysis, including MTI, bitmap, data elements and transaction mapping. The source profile includes hands-on ISO 8583 experience. • Apply ISO 20022 knowledge to payment application changes, message transformations and interface integration. • Diagnose complex production issues using SQL/PLSQL, Linux, application logs, ISO messages and transaction data. • Develop Python/Shell automation for payment processing, reconciliation, monitoring and operational activities. • Perform code reviews, impact analysis, RCA, performance analysis and technical troubleshooting. • Mentor developers and provide technical direction for complex payment application enhancements. Must Have • 10 to 12 years of software/application development experience, with strong hands-on experience in banking and payment systems. • Progression from Developer to Senior Developer / Technical Analyst, with continued hands-on coding and system-analysis responsibilities. • Strong understanding of the complete payment transaction lifecycle, not just individual applications. • Strong ISO 8583 knowledge and working knowledge of ISO 20022. • Experience in card acquiring, transaction switching, payment processing or authorization platforms. • Experience with payment networks such as Visa, Mastercard and Discover. The source CV also includes UPI exposure. • Strong SQL/PLSQL, Linux/Unix and Shell scripting skills. • Hands-on Python development/automation experience. • Ability to trace transactions across APIs/services, databases, files, queues, interfaces and downstream systems. • Experience with automation/scheduling tools such as Control-M, Rundeck, Autosys or Opswise, consistent with the source profile. • Experience with Splunk, Datadog, Kibana/OpenSearch or similar observability platforms. Good to have • Experience with TranzWare / Compass Plus, Lusis GPX or comparable payment switching/processing platforms. • Exposure to microservices, APIs and cloud-based payment architectures. • Experience developing for high-volume, high-availability Tier-1 banking environments. • Strong understanding of resiliency, performance, batch processing and operational controls in payment platforms.