Senior Nodejs Backend Developer jobs in Brussel

Social Discovery Group

We are looking for a Senior Software Engineer (NodeJS, AWS). Responsibilities Collaborate with the team and business stakeholders to find the most effective solutions considering all trade‑offs (timelines, resources, quality) Design and decompose high‑level architecture, implementation plans Impleme

act digital EMEA - Alter Solutions

act digital is an international consulting and engineering group that supports its clients in their digital transformation projects. Present in 12 countries and with more than 6,000 employees, we leverage our expertise to address their challenges in software development, cybersecurity, data, cloud,

Canonical

What you’ll do Collaborate proactively with a distributed team Write high-quality code to create new features, fix bugs and modernize the Landscape codebase Demonstrate your strong commitment to code quality and automated testing Participate in the engineering process with code and architectural rev

ITS Group Benelux

About the Job Great assignments await you with our key account clients in rich and varied environments. You will join a major financial institution involved in a trading project, working within a dynamic and fast‑paced environment. The team is responsible for developing and maintaining backend syste

ITS Group Benelux

ITS Group Benelux is seeking a Back-end C# .NET Developer to join our Agile team in Brussels. You will work on innovative solutions in the banking sector, focusing on customer onboarding and data management within a modern microservices environment. The ideal candidate has over 5 years of back-end d

ITproposal

ITproposal is looking for a Freelance Backend Developer (Java) to join their dynamic team in Brussels. This role focuses on building and maintaining high-quality backend systems for digital platforms used by millions. Candidates should have at least 3 years of experience, strong expertise in Java (p

ITproposal

About the job Freelance Backend Developer (Java) – Digital Products - VRT377681 Brussels, Belgium Start: June 2026 | Long-term freelance assignment Full-time | Hybrid (2 days onsite + remote) About The Role Join a leading media organization and help shape the digital experience of millions of users.

YO IT Consulting

YO IT Consulting is looking for an experienced Java Developer - AI Expert to join their remote team. In this role, you will design and optimize scalable REST and GraphQL APIs to support innovative AI projects. Ideal candidates will have over three years of backend development experience, deep knowle

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

POLITICO Europe

POLITICO Europe is searching for an experienced Mobile Developer with a strong backend orientation in Brussels. The role involves mobile application development, deploying apps to the AppStore/PlayStore, and contributing to backend for frontend applications. Required qualifications include proficien

Pauwels Consulting

Our client, a public sector organization, is looking for a backend specialist to join the core team of a centralized citizen portal. The project focuses on aggregating citizen data from various sources to provide a secure and optimized user experience across web and mobile platforms. Responsibilitie

Het team Digitale Producten is op zoek naar een Backend Developer! Wat mag je verwachten van deze opdracht? Werk mee aan de digitale toekomst van een toonaangevende mediaorganisatie in Vlaanderen. Dagelijks maken miljoenen gebruikers gebruik van diverse digitale platformen zoals streamingdiensten, n

Orange

For our IT department, we are actively looking for a motivated Frontend/Backend GIS Developer. This role is based in Brussels or Charleroi. Your main responsibilities Develop and maintain GIS applications based on open-source Java technologies and web frontend frameworks Design and deploy mapping se

Orange

A leading telecommunications company is seeking a motivated Frontend/Backend GIS Developer based in Brussels or Charleroi. The role includes developing and maintaining GIS applications using Java technologies, designing mapping services, and collaborating with business teams. Candidates should posse

Pauwels Consulting

Our client, a major media organization in Flanders, is seeking a developer to join their digital products division. This role involves building and maintaining critical backend systems, including identity management and notification platforms, that serve millions of daily users. Responsibilities Ass

Pauwels Consulting

Pauwels Consulting is seeking a backend developer for a major media organization in Brussels. This role involves building and maintaining backend systems within a Scrum framework, contributing to architectural decisions, and ensuring high-quality code. Candidates should have over 3 years of experien

AlmavivA de Belgique

Role Overview The Senior Python Back-End Developer (Profile 8.B Senior) supports the CMRE Data Management Programme, focusing on the design, development, and maintenance of scalable backend systems and APIs. The role is centered on building core data capabilities, including: Data Catalogue Data Doma

act digital

A tech consultancy in Belgium is seeking a GIS Developer to create and maintain GIS applications using Java technologies and web frameworks. The role involves designing mapping services, developing dashboards with R / Shiny, and collaborating with teams to implement technical solutions. Ideal candid

act digital

Job Description Develop and maintain GIS applications based on open‑source Java technologies and web frontend frameworks. Design and deploy mapping services using GeoServer, PostGIS, and Oracle Spatial. Develop dashboards and interactive applications with R / Shiny. Set up development and deployment

Halian | Managed Services, Recruitment Agency & Contract Staffing

Halian is seeking a Java Developer in Brussels to strengthen its IT department. The successful candidate will contribute to application development, maintenance, and improvement while collaborating closely with business and technical teams. Key responsibilities include validating functional analyzes