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Provide L3 production support for Java/J2EE applications in a 24x7 or on-call support environment.
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Analyze and resolve complex application incidents, production defects, and performance issues.
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Perform detailed root-cause analysis (RCA) and implement permanent corrective actions.
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Troubleshoot Java application issues including exceptions, memory problems, thread issues, connectivity failures, and application crashes.
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Review application logs using tools such as Splunk, ELK, AppDynamics, Dynatrace, or similar monitoring platforms.
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Troubleshoot REST/SOAP APIs, microservices, integrations, and backend services.
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Analyze database-related issues and execute SQL queries for troubleshooting and data validation.
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Work with Oracle/MySQL/SQL Server/PostgreSQL or other relational databases.
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Debug Java and Spring/Spring Boot code and provide code-level fixes when required.
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Support applications deployed on WebSphere, WebLogic, Tomcat, JBoss/EAP, or cloud platforms.
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Monitor application health, system performance, batch jobs, interfaces, and scheduled processes.
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Collaborate with Development, DevOps, Infrastructure, Database, QA, and Business teams for incident resolution.
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Participate in incident, problem, and change management processes.
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Support production deployments, releases, patches, and emergency fixes.
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Identify recurring issues and recommend automation or process improvements.
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Prepare and maintain RCA documents, support procedures, runbooks, and technical documentation.
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Participate in production release validation and post-deployment monitoring.
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Follow ITIL processes and meet defined SLA/KPI requirements.
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5+ years of experience in Java application development and production support.
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Strong experience with Java/J2EE and Spring/Spring Boot.
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Strong troubleshooting and debugging skills.
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Experience supporting REST APIs and microservices.
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Strong knowledge of SQL and relational databases.
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Hands-on experience with application and server logs.
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Experience with monitoring/logging tools such as Splunk, Dynatrace, AppDynamics, or ELK.
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Experience with Linux/Unix commands and shell scripting.
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Understanding of JVM, memory management, garbage collection, thread dumps, heap dumps, and performance troubleshooting.
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Experience with production incident management and RCA/problem management.
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Familiarity with Git, Jenkins, CI/CD, and deployment processes.
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Strong communication and stakeholder-management skills.
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