High-Performance Mainframe Software Engineer

2 weeks ago

kozhikode, India beBeeMainframe Full time

Enterprise Mainframe Software Development SpecialistWe are seeking a highly skilled and experienced Enterprise Mainframe Software Development Specialist to join our team.The successful candidate will be responsible for designing, developing, and maintaining high-performance mainframe software solutions ensuring reliability and security within IBM z/OS environments. They will also participate in the full system development lifecycle (SDLC), including requirements analysis, design, coding, testing, and production support.Develop applications on IBM z/OS using Assembler, C, JCL, REXX, and related technologies.Optimize performance, troubleshoot defects, ensure system reliability.Collaborate with cross-functional teams (System Engineers, QA, DevOps, Business Stakeholders).Key Responsibilities:Design and develop enterprise-grade mainframe software solutions.Participate in the full SDLC: requirements analysis, design, coding, testing, and production support.Optimize performance, troubleshoot defects, ensure system reliability.Collaborate with cross-functional teams.Required Qualifications:5+ years of programming experience in Assembler / HLASM (on z/OS).C (on z/OS).Comprehensive expertise in IBM subsystems and z/OS internals: cross-memory services, SRB management, Program Call routines, interlanguage communication (Assembler, Java, C, REXX).Extensive experience in APF-authorized code development and secure, high-performance system-level modules.Expert-level proficiency in HLASM and z/OS system macros for program management, storage, synchronization, recovery, and messaging.Skilled in subsystem interfaces and exits integrating with JES, SMF, and core components.Advanced debugging using XDC, IPCS, dump analysis for complex system issues.Familiarity with Sysplex communication using XCF macros.Experience with Agile/Scrum methodologies for mission-critical software delivery.Preferred Skills:Knowledge of Zowe, z/OSMF, RESTful APIs, modernization/integration projects.Strong Java development skills (JZOS, JNI, batch-mode applications).Familiarity with ICSF, RACF, SMP/E packaging, SBOM compliance (CycloneDX/SPDX).Education:Bachelor's degree in computer science, software engineering, IT, or equivalent experience.

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