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Analyst Developer Mainframe - Leuven

Location
Leuven, Belgium
Work mode
Hybrid
Contract
Contract · Mid
Closed
30 Jun 2026

This mission closed on 30 Jun 2026.

It stays online for reference, but it no longer takes applications.

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About the mission

We are seeking a freelance Analyst Developer Mainframe to handle complex business processes and translate them into functional and technical solutions. This role involves thorough analysis, development support, and collaboration with business and IT stakeholders.

Read the full description
We are looking for a freelance Analyst Developer Mainframe for a complex and business-critical IT environment. The focus of this assignment is strongly on functional and technical analysis within a mainframe context, where development plays a supportive role.

The Assignment

As a freelance Analyst Developer Mainframe, you will be responsible for understanding and analyzing complex business processes and translating them into clear functional and technical solutions. You will act as a content link between business and IT and contribute to stable, qualitative, and maintainable applications.

Key Responsibilities

Conduct thorough functional and technical analyses
Translate business requirements into:
o functional specifications
o technical designs
Perform impact and risk analyses on existing mainframe applications
Analyze incidents and contribute to structural solutions (root cause)
Develop and adjust applications based on conducted analyses
Coordinate with business stakeholders and technical teams
Document analyses, decisions, and solutions
Contribute ideas for simplification and optimization of existing logic

Technical Context

Mainframe / z OS
COBOL
DB2
JCL
CICS (strong plus)
Batch and online processing

Profile

Proven experience as an analyst developer in a mainframe environment
Strong analytical and conceptual skills
Very good knowledge of COBOL, DB2, and JCL
Able to structure and document complex matters clearly
Quality-oriented, precise, and independent
Fluent communication with both business and IT
Very good knowledge of Dutch
Experience in a banking context is a plus

Additional Info

Assignment type: Freelance assignment
Long term
Focus on analysis and content depth
Hybrid work model (2 days a week remote work)
Location: Leuven

What you'll do

  • Conduct thorough functional and technical analyses
  • Translate business requirements into functional specifications
  • Translate business requirements into technical designs
  • Perform impact and risk analyses on existing mainframe applications
  • Analyze incidents and contribute to structural solutions (root cause)
  • Develop and adjust applications based on conducted analyses
  • Coordinate with business stakeholders and technical teams
  • Document analyses, decisions, and solutions
  • Contribute ideas for simplification and optimization of existing logic

What we're looking for

  • Proven experience as an analyst developer in a mainframe environment
  • Strong analytical and conceptual skills
  • Very good knowledge of COBOL, DB2, and JCL
  • Ability to structure and document complex matters clearly
  • Quality-oriented, precise, and independent
  • Fluent communication with both business and IT
  • Experience in a banking context is a plus

Skills

  • Mainframe
  • z OS
  • COBOL
  • DB2
  • JCL
  • CICS
  • Batch processing
  • Online processing