Mainframe PL1 Developer

  • Location: Brussels
  • Type: Contracting
  • Job #24305

Job Title: Mainframe Developer (PL/1)

We are currently seeking a talented Mainframe Developer with a minimum of 3 years of experience in PL/1 programming language to join our team. As a Mainframe Developer, you will be responsible for designing, developing, testing, and maintaining software applications within our mainframe environment.

Key Responsibilities:

  • Collaborate with project teams to understand requirements and translate them into technical solutions using PL/1.
  • Develop and implement efficient and reliable code to support business processes and applications on the mainframe platform.
  • Perform unit testing and debugging to ensure the quality and reliability of developed software components.
  • Participate in code reviews and provide constructive feedback to team members to improve code quality and adherence to coding standards.
  • Maintain and update existing software applications, addressing any issues or enhancements as required.
  • Document technical designs, code changes, and implementation processes for future reference and knowledge sharing.


  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • Minimum of 3 years of hands-on experience in PL/1 programming language within a mainframe environment.
  • Proficiency in mainframe development tools and utilities, including JCL, VSAM, and TSO/ISPF.
  • Strong analytical and problem-solving skills with the ability to troubleshoot and resolve technical issues.
  • Excellent communication and interpersonal skills with the ability to work effectively in a collaborative team environment.
  • Experience with other mainframe programming languages such as COBOL or Assembler is a plus.
  • Knowledge of mainframe modernization techniques and tools is desirable.
  • Fluent in Dutch or French.

If you are a skilled Mainframe Developer with expertise in PL/1 and a passion for developing innovative solutions, we encourage you to apply for this exciting opportunity.

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