Mainframe Systems Developer

3 weeks ago


Hong Kong, Central and Western District, Hong Kong SAR China Joint Electronic Teller Services Limited Full time

Job Summary

We are seeking a highly skilled Mainframe Systems Developer to join our team at Joint Electronic Teller Services Limited. The successful candidate will be responsible for analyzing, designing, and developing COBOL programs in the IBM mainframe z/OS platform.

Key Responsibilities

  • Analyze and design COBOL programs for the IBM mainframe z/OS platform
  • Prepare and perform unit testing, support System Integration Testing (SIT) and User Acceptance Testing (UAT), and participate in the full Software Development Life Cycle
  • Prepare required documentation for new services or system enhancements
  • Troubleshoot reported problems for application systems and answer internal and external users' application queries, escalating to a superior when necessary
  • Act as the second-line technical support for application systems
  • Maintain and update existing documents, such as system specifications, operation manuals, and user manuals
  • Report the status or issues of assigned tasks to a superior on a regular basis
  • Follow all defined Software Development Guidelines, Standards, and Procedures

Requirements

  • Possess a bachelor's degree in Computer Science or an equivalent field
  • 2-5 years of IT experience in system analysis, development, and testing of mainframe systems
  • Demonstrated ability and programming experience in COBOL, VSAM, JCL, CICS on the IBM mainframe z/OS platform
  • Hands-on experience in one or more of the following is a plus: ATM systems, mainframe ASM, Java, Spring Boot, Eclipse
  • Excellent problem-solving skills and attention to detail
  • Good communication skills and a good team player


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