Aditya Narayan

Senior Systems Engineer

Infosys

Dec 2021 - Present

Currently working as a Java/J2EE Production Support Engineer, providing L2/L3 production support, application maintenance, troubleshooting, and enhancement for an enterprise financial application. Developed and maintained backend business logic using Core Java, J2EE, and EJB, ensuring reliable processing of business transactions. Worked extensively with JSP, Servlets, JDBC, and Struts for application development, maintenance, and production issue resolution. Utilized IBM MQ for asynchronous messaging and communication between enterprise application components. Worked with IBM WebSphere Application Server for application deployment, configuration, monitoring, troubleshooting, and production support. Developed and maintained database operations using SQL Server and Stored Procedures, including application data and business-logic analysis. Performed SQL-based production analysis, data validation, query analysis, and root-cause analysis for application issues. Used Shell Scripting and Unix for production support activities, operational tasks, batch processing, and application troubleshooting. Managed and monitored batch jobs through PuTTY, investigating failures and ensuring successful execution. Handled production incidents and service requests through ServiceNow following an ITIL-based support process. Performed code-level analysis, log analysis, debugging, impact analysis, and root-cause analysis to identify and resolve production issues. Optimized application modules supporting credit-scoring processes, improving application stability and operational efficiency. Collaborated with development, database, infrastructure, and business teams to investigate complex production issues and deliver timely resolutions. Supported application environments involving AWS cloud services and assisted with operational and production support activities.