Senior Java Developer (SOURC02360)

We are looking for an experienced Senior Java Developer to maintain, support, and enhance established enterprise web applications in a business‑critical environment.

The role combines hands‑on development, production support, incident resolution, controlled releases, and knowledge transfer, with a strong focus on maintaining stability across legacy and existing Java applications.

Key Responsibilities

• Analyze, maintain, and enhance enterprise Java web applications built using Struts, JSF, PrimeFaces, JSP, and Servlets.
• Investigate incidents and defects across application, database, integration, and deployment layers.
• Perform Root Cause Analysis (RCA) and document technical findings, fixes, and preventive actions.
• Develop and implement application enhancements while assessing dependencies and regression risks.
• Coordinate testing, deployment, release validation, and post‑release verification.
• Write, troubleshoot, and optimize Oracle SQL and PL/SQL.
• Investigate database‑related issues, data inconsistencies, and query performance problems.
• Maintain reporting solutions using JasperReports / Jasper Studio.
• Support and troubleshoot REST APIs and integrations using JSON and XML.
• Deploy and support Java applications on Oracle WebLogic and Tomcat.
• Troubleshoot application‑server configuration, logs, startup, runtime, and deployment issues.
• Coordinate with QA, Database, Infrastructure, Security, and Functional teams.
• Maintain technical documentation, deployment procedures, operational runbooks, and application knowledge.
• Support knowledge transfer and validate source code, repositories, system access, and application dependencies.

Required Qualifications & Experience

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field.
• Minimum 8 years of hands‑on experience developing, maintaining, and supporting Java enterprise web applications.
• Significant experience supporting legacy and production‑critical Java applications.
• Object‑Oriented Programming
• JSP & Servlets
• Practical experience maintaining:
• Struts 1.1
• JSF 2.2
• Strong experience with Oracle Database 19c, including complex SQL queries, transactions, optimization, troubleshooting, and PL/SQL.
• Hands‑on experience developing and maintaining JasperReports using Jasper Studio.
• Strong experience with Oracle WebLogic 14 and Tomcat, including deployment, configuration, logging, and production troubleshooting.
• Experience maintaining REST APIs and integrations using JSON and XML.
• Experience with Git or CVSNT, including repositories, branching, merging, and release version management.
• Strong ability to understand complex existing business logic and implement compatible changes safely.
• Strong troubleshooting, analytical, documentation, and cross‑functional coordination skills.

Preferred Experience

• Experience using Eclipse and NetBeans for Java application development and debugging.
• Experience with Spring Boot, Hibernate, and JPA.
• Experience with Oracle ADF and JSTL.
• Experience deploying or troubleshooting applications on JBoss or GlassFish.
• Experience with high‑volume enterprise applications and performance optimization.
• Knowledge of secure coding and automated testing practices.
• Exposure to application modernization and legacy system transformation.
• Experience mentoring developers or leading application knowledge‑transfer activities.

Key Technical Stack

Java 8 | Struts 1.1 | JSF 2.2 | PrimeFaces 5.5 | JSP | Servlets | Oracle 19c | SQL | PL/SQL | JasperReports | WebLogic 14 | Tomcat | REST APIs | JSON | XML | Git | CVSNT