Java - 4.125+ vacatures

Harvey Nash

Java Developer We are looking for a motivated Java Developer to join our highly technical squad. Contribute to the development of our core platform Perform performance testing and identify system bottlenecks Solid foundation in Java development Good communication skills and willingness to work in an

All European Careers

Join our dynamic international team and embrace the adventure of working abroad! For an European institution in Brussels, Belgium, we are looking for a hybrid Tech Lead Java for the development of back-end website applications using AWS environment and KIRO (agentic AI-powered Integrated Development

All European Careers

Join our dynamic international team and embrace the adventure of working abroad! For an European institution in Brussels, Belgium, we are looking for a hybrid Tech Lead Java for the development of back-end website applications using AWS environment and KIRO (agentic AI-powered Integrated Development

*About the client:** The client is a Belgian federal public institution responsible for shaping and enforcing economic policy, market regulation, and consumer protection. It plays a central role in ensuring fair competition, transparency, and trust between businesses and consumers at a national leve

twenty8

Twenty8 is an independent firm delivering IT services to international organizations, with a focus on supporting digital transformation, business development, and customer-centric solutions. We collaborate closely with European Union public institutions and agencies, helping skilled professionals na

PRACYVA

Develop, test, and maintain Java-based applications Work with Spring / Spring Boot frameworks Build RESTful APIs and microservices Collaborate with cross‐functional teams (BA, QA, DevOps) Participate in code reviews and follow best coding practices Troubleshoot and resolve technical issues Work in A

Nexeo

Nexeo is currently looking for a Back-End Developer for one of the leading financial institution in Belgium. Nexeo is a consultancy company that supports its clients in the banking, finance and insurance sectors in all phases of their transformation projects: from business consulting to the implemen

SII Group Belgium

SII Belgium is seeking a highly motivated and ambitious Java Developer to join our team. In this role, you will be responsible for designing and developing software applications, as well as maintaining and improving existing systems. You would join various teams working in AGILE mode for projects in

Fujitsu

We're Hiring: Tech Lead Java – EU Institution Project (Brussels) Eligibility Requirement 🇪🇺 Candidates must be citizens of a European Union Member State (requirement for working on EU institutional projects). We are looking for an experienced Tech Lead Java to join a strategic project for a Europe

twenty8

Twenty8 is an independent firm delivering IT services to international organizations, with a focus on supporting digital transformation, business development, and customer-centric solutions. We collaborate closely with European Union public institutions and agencies, helping skilled professionals na

Acerta

Slim ontwikkelen. Samen groeien. Ontwikkelen en onderhouden van back-end microservices in Java & Spring Boot. Bouw schaalbare, event-driven microservices op basis van een hexagonale architectuur. Reverse engineering van legacy code ter ondersteuning van nieuwe functionaliteit. Samenwerken in een

twenty8

Twenty8 is an independent firm delivering IT services to international organizations, with a focus on supporting digital transformation, business development, and customer-centric solutions. We collaborate closely with European Union public institutions and agencies, helping skilled professionals na

Inline Blue

Eén van de grootste spelers in de HR & sociale dienstverleningssector, actief over heel België, zoekt versterking. Laat je echter niet misleiden door de sector: dit bedrijf beschikt over een uitgebreid IT-landschap. Geen aangekochte softwarepakketten, alles ter ondersteuning van klanten en colle

TECHOHANA

Developer wanted for a fast growing consultancy. The customer has a very strong Salesforce team with lots of opportunities to learn. They have one of the nicest cultures on the market where everyone's personality is coming together in a unique and welcoming way. Due to the demand within the market,

ARHS Group

We are seeking a Backend Developer to design and deliver cloud‐native, event‐driven microservices using Java, Spring Boot, and Kafka. You will model robust relational data structures, implement EDA patterns (Event Sourcing/CQRS), and contribute to business process automation with BPMN/Camunda. You'l

i8c

Apache Camel • Java • Open-Source Integration Own the Architecture Behind Mission-Critical Integrations Enterprise integration has never been more critical. Systems are increasingly distributed, security expectations are higher than ever, and integration has become a backbone of modern digital archi

Sopra Steria

Company description Sopra Steria offers tailored, end-to-end corporate technology and software solutions to help clients make bold choices and deliver results. Successfully so! With more than 56.000 colleagues in 30 countries, we rank as Europe's leading digital solutions provider. Some of the m

Contracts IT

Java Developer - Brussels Start Date: June 2026 Duration: 12 months (with potential extensions) Location: Brussels, Belgium (2-3 days/week on-site) You will be working on critical financial system initiatives within a public sector client. These are large-scale, high-impact programmes focused on mod

Smals

Heb je al een aantal jaren ervaring als Java developer? Wil je junior software developers de kneepjes van het vak leren? Ben je klaar voor de volgende stap in jouw carrière en wil je je Java-kennis graag inzetten voor de maatschappij? Dat kan bij Smals!Uw rolAls Java Developer ontwikkel je nieuwe ap

NP Group

Role: Senior Java Software Engineer Location: Brussels, Belgium Contract: 12 months Rate: Flexible We are looking for a Senior Java Software Engineer to join a high-performing technology team responsible for building and modernising mission-critical financial systems in a regulated environment. The