Test Java Developer
Career Central
Join Career Central as a Test Java Developer in Chennai, India About the Opportunity About the Opportunity: We are seeking a skilled Test Java Developer to join our team at Career Central's headquarters in Chennai. This full-time office role offers a chance to work on innovative projects within a collaborative environment. Key Responsibilities Develop and optimize Java applications running on IBM z/OS under CICS. Analyze and improve JVM performance focusing on memory, CPU, and tuning. Integrate Java with native z/OS components using JNI, C/C++, and LE interfaces. Implement efficient data access using JDBC, SQLJ, and DB2 best practices. Collaborate with systems programmers, DBAs, and developers to ensure interoperability. Review performance metrics and support automation for Java workloads. Contribute to modernization initiatives for legacy systems using hybrid integration. Qualifications Bachelor’s or master’s degree in computer science, software engineering, or related field. 8+ years of professional Java development experience, including 5+ years on IBM z/OS. Deep knowledge of JVM tuning on z/OS including heap sizing, GC policies, and workload classification. Strong proficiency with JNI for interfacing Java with COBOL, C, and C++. Expertise in JDBC, SQLJ, DB2 for z/OS, and mainframe database tuning. Hands-on experience with USS, JCL, and TSO/ISPF. Working knowledge of LE and Java integration with native z/OS programs. Familiarity with SMF, RMF, SDSF, and performance analysis tools such as IBM OMEGAMON or BMC tools. Compensation and Benefits Competitive total compensation. Comprehensive country-specific medical and other benefits. Hybrid working model with up to 60% remote work flexibility. Opportunity to work remotely within your country or abroad for up to 10 days per year. One-time hybrid work payment to upgrade your home office. Access to Employee Assistance Program for personal support. Hiring Process Our hiring process includes an initial screening, technical assessments, and interviews to ensure a mutual fit for this role. If you are passionate about Java development on mainframe environments and ready to contribute to impactful projects, apply now to join Career Central's team in Chennai.