67 frontend developer English-speaking jobs in Brussels
Lead Developer (Backstage) - Energy Sector - Brussels - Freelance / CDI
- act digital
- , Brussel Hoofdstad, Belgium
- April 10
Lead Developer (Backstage) – Energy Sector – Brussels – Freelance / CDI
Full‑time Join a high‑impact ... Within this context, the service contributes to the evolution and operational excellence of an internal developer ... European energy landscape is undergoing significant transformation, requiring scalable, secure, and developer‑friendly ... Design & Development
Design, development, testing, and documentation of custom Backstage plugins (frontend ... preferably for platforms or integration‑heavy environments
At least 3 years of experience developing frontend
Python Developer
- ConSol Partners
- Brussels
- April 25
and implement new net‐zero features across a Python backend , SQL database , and JavaScript/Next.js frontend ... Freelance: Software Developer (Python, SQL, JavaScript, Next.js)Location: Leuven, Belgium (3 days onsite ... month freelance contract with likely extensions We're looking for an experienced Freelance Software Developer
Frontend Software Engineer
- Koda Staff
- Brussels
- April 25
Frontend Software EngineerMost frontend roles talk about impact. ... If you are someone who enjoys building scalable, high-quality frontend systems and wants to work in an ... , component-based architectures Integrate frontend applications with backend services and APIs Ensure ... Initially, the focus will be on improving automation across frontend workflows, reducing manual processes ... Responsibilities Design and develop high-quality frontend features using modern frameworks Build scalable
Java Developer
- Taleo Consulting
- Brussels
- April 21
Spring / Spring Boot / Spring Batch
Hibernate
RabbitMQ
Oracle / PostgreSQL
XML
JUnit / Selenium Frontend
C# Software Engineer (H/F)
- fortil
- Brussels
- March 9
Security Software Engineer
- Eclipse Foundation, Inc.
- Brussels
- March 4
Software Developer - Sustainable Supply Chain & LCA Tools
- Qplox engineering
- Brussels
- April 25
You will work across the stack—Python backend, SQL databases, and JavaScript/Next.js frontend—collaborating ... and maintain Python backend logic and APIs Design and manage SQL database structures Build and refine frontend
Application Architect
- Response Informatics
- Brussels
- April 25
development 6+ years in Java web development, including Spring Framework and REST APIs 3+ years in frontend
Senior Java Developer
- TCrew
- Brussels
- April 25
We're looking for a Senior Java Backend Developer to work on cutting-edge backend systems with a focus
Back End Developer
- ThoughtLabs Belgium
- Brussels
- April 22
specific expertise is mandatory for the performance of tasks: • Experience of five years as a full-stack developer
Senior BPM-Java Developer at European Commission
- Sprintcv
- Brussel
- March 19
Senior BPM-Java Developer at European CommissionEuropean Commission | Brussels, BE | up to 11k/monthEuropean ... Commission has an open position for Senior BPM-Java Developer, requiring Java, Camunda, Spring, Kafka ... the needs of the European Commission.DIGIT.B.3 wishes to obtain the expertise of a Senior BPM-Java Developer
Business Analyst & Power BI Developer
- NISH Tech BV
- Brussels
- April 25
5 days/week) About the Role We are currently seeking a motivated Business Analyst & Power Platform Developer
Full Stack Developer (Java) - Remote (EU)
- Fujitsu
- Brussels
- April 25
Fujitsu is looking for a Full Stack Developer to work on a project within the EU Institutions , in Brussels
Technical Analyst / Developer – Avaloq - Freelance
- Collective.work
- Brussels
- April 22
Java Application Architect
- Q1 Technologies, Inc.
- Brussels
- April 25
development experience with Java Spring and REST API development); Minimum 3 years of experience in frontend
Développeur C# - H/F H/F (CDI)
- ACENSI
- Brussels
- April 5
ACENSI is looking for a Medior .NET Developer - Electricity Markets for one of their clients based in ... the Energy Sector in Brussels : We're looking for a highly skilled .NET Developer (minimum 5 years of ... problem-solver who enjoys technical challenges · Someone who values teamwork and clear communication · A developer
Back-end Developer
- COSMOTE GLOBAL SOLUTIONS NV
- Brussels
- March 16
Contracts IT - Java Developer
- Contracts IT
- Brussel
- April 2
Java Developer - Brussels Start Date: June 2026 Duration: 12 months (with potential extensions) Location ... technical and business needs Your profile MUST-have skills & experience: 5 years experience as a Java Developer
Back-End Developer, Brussels (near-site) – European Commission
- The White Team
- Brussels
- February 26
Senior Fullstack Developer
- Select
- Brussels
- April 9








































