Mainframe Developer – ADABAS/Natural & BS2000 Location: Brussels, Belgium – Hybrid Start Date: 15 September 2026 Duration: 73 days Workload: Full-time, 40 hours/week We are looking for an experienced Mainframe Developer to support the controlled migration of a critical ADABAS/Natural
Rejoindre KEYES, c’est donner du sens à votre talent Vous êtes à la recherche d’un environnement où la technologie n’est pas une fin en soi, mais un levier pour construire un futur durable? Chez KEYES, nous
Senior Mainframe Developer – COBOL / DB2 Location: Brussels, Belgium Employment Type: Contract Duration: 6 Months Start Date: ASAP Experience: 8–10 years Job Overview We are looking for an experienced Senior Mainframe Developer with strong expertise in COBOL, PL/I, JCL,
Full-Stack Developer – PHP / Python / JavaScript About the Role We are looking for an experienced Full-Stack Developer to contribute to a major data modernization program, helping migrate critical data from legacy mainframe systems to a modern, open
Rejoindre KEYES, c’est donner du sens à votre talent Vous êtes à la recherche d’un environnement où la technologie n’est pas une fin en soi, mais un levier pour construire un futur durable ? Chez KEYES,
Functional / Data Analyst – Legacy & Data Migration About the Role We are looking for an experienced Functional / Data Analyst to support the modernization of legacy and mainframe-based systems. The role focuses on analyzing existing
Functional Analyst – Legacy & Data Migration About the Role We are looking for a Functional Analyst to support the modernization of legacy and mainframe-based systems. The role focuses on analyzing existing applications, data structures and business