Backend Developer Senior Java Spring Boot - 206+ vacatures

NTT DATA Europe & Latam

NTT DATA is looking for a freelance Senior Java Developer for a public agency based in Brussels. Start date: end of June 2026 (preferred) Duration: 31/12/2026 Location: Brussels Hybrid working model with onsite presence required at least 2 days per week Contract type: freelance Deadline: 26/5/2026 W

Pauwels Consulting

A leading organization is seeking an expert developer to lead the design and maintenance of critical backend components and RESTful APIs. This role focuses on delivering robust, scalable, and maintainable solutions for enterprise-grade applications. Responsibilities Design and develop backend servic

theMatchBox

Werken aan AI-based producten en services die in bedrijfsprocessen zijn geïntegreerd Bias-free & volledig compliant met de EU AI Act Bij een bedrijf dat zich bewezen heeft, niet de zoveelste gehypte AI-startup Vacature Senior Java Backend Developer (Antwerpen) Wat ga je doen? Als Senior Java Bac

Logical Conseils

Votre mission Intégré(e) à l'équipe de développement d'un client final, en tant que développeur(euse) Java, vous participez activement au développement de nouvelles applications ainsi qu'à l'évolution et au maintien en condition opérationnelle des applications existantes. Vous évoluez dans un enviro

Groupe SII

Agile Methodology Java Spring MVC Publié le 05/03/2026 CDI / SII Belgium SII Group Belgium is seeking a highly motivated and ambitious Software Developer (Java/Spring Boot) to join our SII Team to work for a project in a challenging and innovative sector. SII is a European digital and engineering se

Keystone Solutions

Keystone Solutions is seeking a Senior Java Developer consultant based in Brussels, Belgium. The consultant will lead the development and maintenance of backend services and REST APIs, collaborating closely with clients in a consultancy framework. Candidates should have at least 10 years of Java dev

Een innovatief IT-bedrijf in West-Vlaanderen zoekt een Developer met minimaal 2 jaar ervaring in Java-ontwikkeling, die verantwoordelijk is voor het ontwikkelen van complexe applicaties. De kandidaat moet sterke kennis hebben van frameworks zoals Angular en Spring Boot, evenals ervaring met TDD en C

A tech solutions company based in Brussels is seeking a highly experienced IT professional with at least 17 years in the industry. The candidate must have deep expertise in Java and Spring Boot, along with proficiency in building RESTful APIs and related technologies. The role offers a daily rate of

Eclipse Foundation

Eclipse Foundation in Belgium seeks a Software Engineer to join their Software Development team. This remote position focuses on developing features for Open VSX and other platforms using Java and Spring Boot. The ideal candidate will possess a Bachelor's degree in Computer Science or a related fiel

Taleo Consulting

A consulting firm in Brussels is seeking a developer for their family allowance management platform. You will design and develop features using Java and Spring Boot while ensuring high-quality software through testing and code reviews. Knowledge in the family allowance sector is a plus. Experience w

A technology firm is seeking several Java Developers (Medior/Senior) in the Brussels Region for hybrid positions. Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below. Ideal candidates will have proven experience with Java, stron

EUROPEAN DYNAMICS Group

A leading consulting firm based in Brussels is looking for a Java Developer fluent in English to join their team. The role involves developing and maintaining testing scenarios for Information Systems and collaborating closely with clients. Ideal candidates should possess a Bachelor's degree, 13 yea

Pauwels Consulting

Pauwels Consulting is seeking a backend specialist to join a public sector organization’s core team in Brussels. In this full-time hybrid role, you'll design and maintain scalable backend services using Java and Spring Boot, ensuring performance and security of citizen data. You will lead a team, de

Laotop

Une société de technologie recherche un Ingénieur Backend Java en freelance pour un projet à long terme en Belgique. Le candidat idéal doit posséder des compétences en Java, Spring Boot, et Kafka, ainsi qu'une expérience avec des systèmes d'observabilité modernes. Ce poste offre un contrat de 12 moi

Keystone Solutions

Keystone Solutions is looking for a Senior Java Developer consultant in Brussels to lead the design, development, and maintenance of backend components and RESTful APIs. Ensure you read the information regarding this opportunity thoroughly before making an application. You will work closely with cli

Keystone Solutions

Keystone Solutions is seeking a Senior Java Developer consultant based in Brussels, Belgium. Scroll down to find the complete details of the job offer, including experience required and associated duties and tasks. The consultant will lead the development and maintenance of backend services and REST

Black Pen Recruitment

A leading IT recruitment agency is seeking an experienced Java Developer fluent in English for a remote role. The ideal candidate should have over 10 years of IT experience, with expertise in Java 11+, Spring frameworks, and front-end technologies like Vue.js or React. Responsibilities include desig

Eclipse Foundation, Inc.

Eclipse Foundation, Inc. is seeking a Software Engineer to join its development team, focusing on Open VSX and other essential platforms. The role involves designing and maintaining reliable software services using Java, Spring Boot, and PostgreSQL. Candidates should possess a strong background in s

Fieldside

Fieldside zoekt een Senior Java Developer voor de regio Brussel. Ready to make your application Please do read through the description at least once before clicking on Apply. Je bent verantwoordelijk voor de implementatie van softwarecomponenten met een focus op Java, Spring en SpringBoot. Met ten m

Eclipse Foundation

About the Eclipse Foundation The Eclipse Foundation is a globally recognized nonprofit organization that supports a vibrant community of open source projects and contributors. With a commitment to vendor neutrality and transparency, we provide a collaborative environment for innovation across indust