Mandatory Skills & Elaboration
Backend development experience with strong hands-on programming using C++ for enterprise-grade applications and transaction processing systems
Strong experience developing backend applications running on Linux environments, preferably RHEL
Experience in payment systems including payment gateways, transaction processing, card payments, or switching platforms
Experience integrating with international payment schemes such as Visa, Mastercard, Amex, UPI or similar payment networks
Hands-on experience with Linux shell scripting, preferably Korn Shell scripting
Experience working with PostgreSQL or relational databases in backend applications
Experience with AWS Cloud environments supporting backend/payment applications
Experience with IBM MQ middleware for enterprise messaging/integration
Experience with Base24-eps payment switching platform
Experience with payment security standards including PCI-DSS and secure transaction processing practices