Application Support Engineer -(Payment Domain)

6-8+ years in application support, with 5+ years in the payment industry, specifically in credit/debit card processing, disputes, and fraud management. Proficiency in troubleshooting applications built on Java, .NET, or Python. Strong SQL/Oracle skills for querying transaction and dispute data. Expertise in APIs, web services (REST/SOAP), and middleware (e.g., Kafka, RabbitMQ). In-depth knowledge of payment protocols (e.g., ISO 8583, SWIFT) and EMV standards. Comprehensive understanding of payment card lifecycle: authorization, clearing, settlement, and reconciliation. Expertise in credit/debit card processing, including acquirer/issuer workflows and card network operations. Experience with dispute resolution, chargeback processes, and card network regulations. Familiarity with regulatory standards (e.g., PCI

DSS, PSD2, GDPR

). Strong analytical, communication, and collaboration skills; ability to handle high-pressure scenarios. Proficiency with ITSM tools (e.g., ServiceNow, Jira), monitoring platforms, and fraud analytics tools. Experience with cloud platforms (e.g., AWS, Azure, Google Cloud Platform) and containerization (e.g., Docker, Kubernetes). Knowledge of fintech innovations, mobile payments, or blockchain-based payment systems. Scripting skills (e.g., Bash, PowerShell) for automation of dispute or fraud workflows.