Senior Developer Java on z/OS (Jopaz Performance)
- Software Ag
- 5 - 9 years
- Chennai
- 4 days ago
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Job Description
About the role Software AG helps companies to manage and optimize their operations, infrastructure and technology with products that simplify complexity, increase transparency and prepare organizations for change. Trusted by the world s best brands for more than 50 years, Software AG s AI-enabled process intelligence, application development, high-performance database, and strategic portfolio management solutions are used by banks, retailers, manufacturers, governments and more. Software AG s Adabas database & Natural development platform are used by the world s leading organizations to build and deploy high-performance, mission-critical applications for IBM Z , Linux and cloud. Governments and businesses (in finance, manufacturing, retail and more) tailor these applications to give their organization a distinct competitive advantage and optimize them to meet the most demanding operational service level agreements. With a pledge to innovate Adabas & Natural to 2050 and beyond, we ensure our customer s mission-critical Adabas & Natural applications are Future ready. Now. Role Overview: We are looking for an experienced and performance-driven Senior Java Developer on z/OS (Jopaz Performance) with specialized expertise in IBM z/OS mainframe environments. This role goes beyond conventional Java development we need someone who understands how to engineer high-performance, low-latency Java applications that run natively on the z/OS platform and integrate seamlessly with legacy enterprise systems. This position requires deep knowledge of Java in the context of z/OS internals, particularly in the areas of Java Native Interface (JNI), database interaction (JDBC, SQLJ), and system-level performance tuning. You will work with both legacy and modern components to develop robust, high-throughput services that are critical to enterprise operations. Essential Skills- Develop and optimize Java-based applications running natively on IBM z/OS UNIX System Services (USS).
- Analyze and improve performance at the JVM level, focusing on memory usage, tuning, and CPU cycles on z/OS.
- Integrate Java applications with native z/OS components using JNI, C/C++, and LE (Language Environment) interfaces.
- Implement efficient data access solutions using JDBC, SQLJ, and DB2 for z/OS best practices.
- Collaborate closely with z/OS systems programmers, DBAs, and COBOL/CICS developers to ensure reliable and performant interoperability.
- Review SMF records, RMF reports, and monitor WLM metrics to guide tuning and system integration.
- Develop and maintain shell scripts, JCL jobs, and support automation for Java workloads on z/OS.
- Drive initiatives to modernize legacy systems using Java and hybrid integration models.
- Bachelor s or Master s degree in Computer Science, Software Engineering, or a related field.
- 8+ years of professional Java development experience, with 5+ years specifically on IBM z/OS.
- Deep knowledge of JVM performance tuning on z/OS, including heap sizing, GC policies, zAAP/zIIP processor utilization, and WLM workload classification.
- Strong proficiency with JNI for interfacing Java with COBOL/C/C++ modules.
- Expertise in JDBC, SQLJ, DB2 for z/OS, and mainframe database performance tuning.
- Solid hands-on experience with USS (UNIX System Services), JCL, and TSO/ISPF.
- Working knowledge of LE (Language Environment) and how Java integrates with native z/OS programs.
- Familiarity with SMF, RMF, SDSF, and performance analysis tools like IBM OMEGAMON, MainView, or BMC tools.
What s in it for you?
- Earn competitive total compensation and receive comprehensive country-specific medical and other benefits.
- Enjoy time and location flexibility with our Hybrid Working Model, which allows a remote workshare of up to 60%. Work anywhere in your country or abroad for up to 10 days per year.
- Set yourself up for success in your new role by upgrading your home office space using your one-time hybrid work payment.
- Lean on the Employee Assistance Program for support during some of life s most common but difficult challenges.
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Software & QARole Category: Software DevelopmentRole: Technical ArchitectEmployement Type: Full timeContact Details:
Company: Software AgLocation(s): Chennai+ View Contact
Keyskills: Unix C++ Automation JCL Linux Db2 Cics Cobol JDBC Application development
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