Senior Mainframe Technical Lead

A leading engineering firm in Brussels is seeking a Senior Technical Designer/BIM Manager to join their 3D/BIM team. In this role, you will be responsible for the technical representation and development of projects, ensuring coordination with structural engineers and architects. Candidates should have at least 3 years of experience, a relevant degree, and...

Kingfisher Recruitment in Brussel zoekt een ervaren professional voor een sleutelrol binnen complexe softwareprojecten. Je combineert hands-on development met leiderschap en begeleidt teams bij het bouwen van schaalbare en toekomstgerichte Java-oplossingen.Je denkt actief mee over softwarearchitectuur en vertaalt technische uitdagingen naar pragmatische...

A leading European energy developer in Brussels is seeking a Senior Technical BESS Expert – Engineering Manager. You will lead electrical and technology aspects of large-scale battery energy storage projects. This role involves technical authority over design, vendor engagement, and lifecycle engineering. Ideal candidates will have over 7 years of relevant...

Mielabelo in Belgium seeks a Technical Expert in Finance SAP FICA/FICO to drive development and support of ECC applications and data. You’ll translate functional needs into technical specs and deliver end-to-end changes, with close collaboration with enterprise architects and finance leads.You'll manage small projects, ensure quality solutions, and align...

Nova Hunte Ltd. is seeking a Java Technical Lead in Brussels to drive enterprise Java development for a major financial services client. You will lead technical decisions, review code, and mentor a multi-disciplinary team across developers, testers, architects, and security specialists.Expect strong focus on Spring, JPA/Hibernate, REST APIs, and batch...

Career Opportunities: Technical Lead (184508)Requisition ID184508-Posted11/04/2026PRAGATIMAINFRAME Senior DEVELOPERDetailed Job Description LocationBelgiumROLE BAND TECH STACK EXPERIENCE TYPEMainframe Senior Developer E2.2 Mainframe 8+ Years Full-timeDesign, develop and support mainframe components as a senior individual contributor: delivering high-quality,...

In4Matic in Belgium seeks an experienced SAP Technical Consultant to join a client team, translating functional requirements into robust SAP technical solutions with a focus on FICA/CI-FICO, integration components and data exchange technologies.You will configure and customize BITS, develop SAP data services (web services and OData), and implement data...

Hive-X is seeking a Senior .Net Developer for a hybrid position in Brussels, starting 29 June 2026. You will design, develop, and maintain robust software solutions using Microsoft technologies, ensuring quality and performance while mentoring team members.This role requires proficiency in .NET frameworks, ASP .NET, and a very good command of English, among...

SEIDOR in Brussels is seeking a Senior Java Developer to design, build and test back-end components using the Spring ecosystem. You will implement REST and event-driven APIs, ensure robust security with OAuth 2.0 / OIDC / SAML, and contribute to CI/CD pipelines in a collaborative environment.You will work across code reviews, pair programming, documentation,...