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COBOL/DB2 Application Developer
COBOL/DB2 Application DeveloperKonnectIT • Chicago, IL, US
COBOL / DB2 Application Developer

COBOL / DB2 Application Developer

KonnectIT • Chicago, IL, US
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  • [job_card.full_time]
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Job Description

Job Description

We are seeking a COBOL / DB2 Application Developer / Manager with more than six years of experience in enterprise application development and management. The ideal candidate will have strong expertise in COBOL and DB2 , with proven experience maintaining, enhancing, and modernizing mainframe applications critical to business operations. Additional expertise in IMS DB / DC, JCL, and CICS is required for this role.

Key Responsibilities

  • Design, develop, enhance, and maintain mainframe applications using COBOL, DB2, IMS DB / DC, JCL, and CICS.
  • Analyze business requirements and translate them into technical solutions.
  • Write, optimize, and troubleshoot DB2 queries, stored procedures, and batch jobs.
  • Support application performance tuning, debugging, and defect resolution.
  • Manage batch processing workflows with JCL and CA Scheduler.
  • Provide production support and ensure system reliability.
  • Collaborate with business analysts, QA teams, and operations to ensure smooth delivery.
  • Document technical processes and contribute to system modernization initiatives.

Mandatory Skills

  • Strong hands-on expertise in COBOL and DB2.
  • Experience with IMS DB / DC, JCL, and CICS in enterprise environments.
  • Proficiency in designing, coding, testing, and supporting mainframe applications.
  • Solid understanding of enterprise application architecture and SDLC.
  • Ability to troubleshoot and resolve application and performance issues.

    • Desirable Skills

  • Experience with CA Scheduler or similar job scheduling tools.
  • Knowledge of application modernization strategies (e.g., migrating legacy applications to distributed or cloud platforms).
  • Familiarity with performance monitoring and tuning in DB2 and CICS environments.
  • Strong documentation and knowledge-sharing skills.
  • Exposure to Agile development methodologies.
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