163 backend developer English-speaking jobs in Brussels

We’re looking for a Senior Full Stack Engineer with strong React expertise, solid backend experience, ... development experience -Hands on experience with Supabase -Experience with Stripe integrations on the backend ... Strong spoken and written English -Advanced experience with React on the frontend -Mid to senior level backend

Integration Developer We are supporting a new assignment for an experienced Integration Developer to

AI-powered features (LLMs, ML models) that deliver measurable business value in productionDesign robust backend ... unscalable AI systems What you bring5+ years in software engineering (Python or similar) with strong backend

MULESOFT DEVELOPER – BRUSSELS – 12 MONTHS+ My client in Brussels are currently searching for a freelance ... Mulesoft Developer that can help effectively integrate their existing application landscape onto their ... MuleSoft Certified Developer Fluent English and must have right to work in Belgium as a freelancer Location

Responsibilities Lead the development of complex backend services in Java.

Splunk Developer – Banking – Belgium/Hybrid Daily rate: €600 - €800 Duration: 6 – 12 months Location: ... Brussels Start: Now Hybrid: 8 days per month in office My new client is looking for Splunk Developer

DotNetNuke (DNN) content-management system framework to a micro-service-based architecture.NET 10, the backend

Software Engineer/Computer Scientist to develop and maintain a cloud-based GenAI platform for high-fidelity flow simulation. Requires proficiency in Python, cloud infrastructure, and LLM ecosystems. PhD or MSc in Computer Science, Engineering, or related field is required.

Impact Build software that matters, contributing hands-on to features and improvements across a .NET backend

Develop and implement high-quality C++ code for financial messaging services. Collaborate with teams to identify requirements and implement solutions. Engage in code reviews and resolve software defects. Conduct unit and integration testing. Work in regulated development environments and participate in an on-call rota.

Java Application Developer with 13+ years of IT experience, including 6 years in Java web application development (Spring, Hibernate, REST API). Expertise in Angular or Kendo UI, Agile methodologies, and Atlassian tools.

Your Role As a Developer at Bingoal, you will be responsible for the discussion, design and development ... Bingoal is a dynamic, international and ambitious company looking for passionate experienced Full-Stack Developer

We have an opportunity for a Senior Full-Stack Developer who will join a European Institution in Brussels

SII Belgium is seeking a highly motivated and ambitious Java Developer to join our team. ... open company culture, supported by an international group If you are a passionate and autonomous Java developer

Backend & Platform Experience building backend systems and APIs using technologies such as: PHP REST ... You will work across frontend and backend, building features, investigating technical issues, improving ... Support the CTO in designing and evolving our product architecture across the frontend, backend, and ... Responsive & adaptive design Frontend performance Integrating frontend applications with backend APIs ... Monitor and improve the performance and reliability of the platform, including frontend performance, backend

We currently have a vacancy for a .NET Full-Stack Developer fluent in English, to offer his/her services ... DotNetNuke (DNN) content-management system framework to a micro-service-based architecture.NET 10, the backend

Responsibilities: Developer and developer of client portfolios in the Walloon region Identifier de nouvelles

Overview We are seeking an experienced Freelance C++ Developer to join a 12-month project for a leading

Coordinating multi-agent workflows to automate complex business processes Building and maintaining scalable backend

About the Role We are looking for a Medior–Senior PHP Fullstack Developer to strengthen and stabilize ... work on a mature product with real users and real impact Close collaboration with an experienced Lead Developer