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
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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,
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,
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
The role As a Senior Infrastructure & Cloud Architect, you will own the technical leadership of complex cloud and hybrid transformation programmes for enterprise clients. Recognised as an architectural authority, you will define standards, patterns, and
Mission Overview: This is a consultancy mission at a client site, where you will represent Keystone Solutions as an Expert Functional Analyst within the Channels & Customer Experience-Enterprises (CCE-E) Tribe. As a Keystone Solutions consultant, you
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
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,