senior java backend engineer java 21 spring boot

Our client, a leading Software, Information and Communication Technologies company, operates internationally (Athens, Brussels, Luxembourg, Copenhagen, Stockholm, London, Nicosia, Hong-Kong, Valetta, etc). Our client is a renowned supplier of IT services to government institutions, multinational corporations, public administrations and multinational...

**Job Description** **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 ne cherchons pas seulement des expertises techniques ; nous cherchons des humains qui partagent nos valeurs. ...

## **Job Description** Within the signalling design platform unit, we are looking for a Senior Java Expert to join an Agile team of Java and Angular specialists. You will contribute to the design and implementation of an innovative platform built on modern microservices principles. This role requires both technical excellence and a strong business...

Médiane Benelux: Career Booster! Since 2017, and with over 35 years of experience in France and Italy, Médiane Benelux is an engineering company specializing in software, electronics, and cybersecurity across key sectors such as Railways, Automotive, Energy, Medical, Aerospace, Space, Telecoms, Industry, and Defense. **🌐 What We Offer** -...

We are urgently looking for a Senior UX/Frontend Developer with Angular and Javascript experience for the European Institutions in Brussels, Belgium.  Travel is not required for the interviews. EU candidates are welcome to apply. Candidates need to be willing to relocate. A work permit is required. This position is open for contractors and...

Bij Xelor zijn we op zoek naar ervaren Senior Java Full Stack Developers die willen meewerken aan complexe enterprise omgevingen waar technologie, samenwerking en ownership centraal staan. Je komt terecht op langetermijnprojecten binnen een Agile context, waar je niet enkel bouwt aan applicaties, maar ook actief meedenkt over architectuur, softwarekwaliteit...

NTT DATA is looking for a Java Developer Location: Belgium (Fully Remote Possible) Contract Type: Freelance or Permanent Languages - Professional working proficiency in English (mandatory) - Professional working proficiency in Dutch and/or French (mandatory) About the Role We are looking for Java Developers to support enterprise application...

Job Description:POLITICO is seeking an experienced Full Stack Developer with a strong backend orientation to join our technology team based in Brussels. Political decision-making is distributed, disorganized, and generally hard to follow at a larger scale, this is the issue we work on at POLITICO. By collecting, normalizing, organizing and thoughtfully...

Job description: *** The candidate must be living in Belgium*** No Visa Sponsorship will be provided*** We are currently looking for a Senior Java Developer with strong DevOps and CI/CD experience to join a leading financial institution in Belgium. This role is ideal for a developer who combines solid Java engineering expertise with a...

Who We Are Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building the products and services to make that future a...

**Beschrijving** Voor een internationale, mensgerichte organisatie zijn we op zoek naar een **Senior Java Developer** die verantwoordelijkheid neemt over de verdere ontwikkeling en optimalisatie van applicaties én bijdraagt aan de technische groei van het team. **Jouw rol** - Je beoordeelt de technische haalbaarheid van functionele analyses. - Je...

FunctieomschrijvingBridg is een softwareleverancier voor overheidsorganisaties in België en Nederland.Bij Metix, een afdeling onder Bridg hebben we enkele stageopdrachten in petto. Deze stage gaat over een nieuw kantoorreserveringssysteemOpdrachtHet doel is het ontwikkelen van een office reservatiesysteem voor de kantoren van Bridg. De applicatie moet...

Fedasil kent materiële hulp toe aan verzoekers om internationale bescherming en aan andere categorieën van vreemdelingen die ook recht hebben op opvang (opvangwet van 12 januari 2007). Fedasil organiseert, rechtstreeks of via haar partners, een kwaliteitsvolle opvang en begeleiding. Het Agentschap beheert bovendien de observatie en oriëntatie van...

Voor het Agentschap Vlaamse Dienst voor Arbeidsbemiddeling en Beroepsopleiding (VDAB), is Vlaanderen connect op zoek naar een: Java developer met analytische vaardigheden Bouw mee aan de digitale motor achter de Vlaamse arbeidsmarkt Contract onbepaalde duur Brussel ...

Our client, a leading Software, Information and Communication Technologies company, operates internationally (Athens, Brussels, Luxembourg, Copenhagen, Stockholm, London, Nicosia, Hong-Kong, Valetta, etc). Our client is a renowned supplier of IT services to government institutions, multinational corporations, public administrations and multinational...

**Location:** Brussels (2 days onsite, hybrid) **Type:** B2B / Freelance **Duration:** 12 months (+ extensions) **Start Date:** ASAP **Project Language:** English **About the Role** Join a major financial services client on the rebuild of a core payment and statement reporting platform. The programme is part migration from legacy systems and part...

Java / Angular Application Architect (Senior / Expert) – Secondment Assignment Location: Brussels region (hybrid working model) Contract type: Secondment (freelance or employment via our organization) Start date: To be agreed Duration: As soon as possible 9 months (full time) - 31/12/2026  About the role We are currently seeking a highly...

Key Responsibilities Develop and maintain high-quality React-based frontend applications within an Agile squad. Translate business requirements into clean, scalable, and maintainable code following software craftsmanship principles. Design, build, and optimize high-performance, reusable, and reliable applications. Contribute to backend...

About Us : For more than 25 years, ITS Group has been a French ESN specializing in digital transformation, employing around 1,400 employees across 8 agencies in France and 1 in Belgium. Our expertise: IT infrastructure & operations, cloud & managed services, mobility, workstations & networks, strategy, consulting & AMO, cybersecurity, development of...

About Cronos Europa: Cronos Europa is a leading IT and digital transformation partner dedicated exclusively to European Institutions and agencies, delivering mission‑critical solutions that shape Europe’s digital future. As part of the Cronos Group, one of the most innovative and fastest‑growing tech ecosystems in Europe, we benefit from a vast pool...