Herstal, Liège, Belgium

Mainframe Developer

Salary: unknownHybridMidSoftware engineering (general)

COBOLJavaJavaScriptAngular

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KEYES, a tech services company in consulting, agencies and business services, is hiring for the role of Mainframe Developer. The role is hybrid, based in Herstal, Belgium. Our labels mark it as a mid-level role in software engineering (general). The posting names Angular, COBOL, Java and JavaScript. It asks for 5+ years of experience. English and French are required. Dutch is a plus. KEYES has 13 open positions on this site, 7 of them in IT and engineering.

Posted 12 days ago · Last checked 2026-11-05

About KEYES

Consulting, agencies and business services Tech services / agency / consultancy 13 open positions, 54% in IT and engineering. Most open roles: Data and machine learning (3), Software engineering (general) (2), Backend engineering (1).

All open jobs at KEYES →

52 open software engineering (general) jobs in Belgium All open jobs at KEYES →

Workplace	Hybrid
Seniority	Mid
Role	Software engineering (general)
Countries	Belgium
Languages	COBOLJavaJavaScript
Employment type	fulltime_permanent
Key facts	Stack: COBOL, Java, JavaScript, Angular · Experience: 5+ years · Languages: English, French (Dutch is a plus)

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Mainframe Developer

About KEYES

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