1236 English-speaking jobs in Brussels

Develop and maintain mobile applications for shared micromobility using React Native. Write clean, efficient, and reusable code. Troubleshoot and debug issues, and propose solutions to improve the performance and usability of the applications.

Software Engineer/Computer Scientist to develop next-generation HiFi flow simulation software for NWP. Extend core solver technology, conduct HPC optimization, and develop algorithms for Local HiFi Weather Forecasting. PhD or Master's in Computer Science, Engineering, or related field required. Deep knowledge of advanced numerical methods, 3D finite volume code, and NWP codes (WRF) is essential. Strong expertise in GPU architecture and native GPU programming.

Software Engineer/Computer Scientist to develop next-generation HiFi flow simulation software for CFD in Aerospace, Propulsion, and Energy. Will extend core solver technology, conduct HPC optimization, and participate in scientific conferences. Requires PhD or Master's in Computer Science, Engineering, or related field and deep knowledge of advanced numerical methods, CFD, and GPU programming.

Experienced Scrum Master / Cluster Scrum Master to support delivery coordination within a banking environment in Brussels. Drive and coordinate end-to-end delivery of features, initiatives, and releases. Facilitate Scrum of Scrums, cluster refinement, and delivery boards.

Senior PHP/Symfony Developer to design, develop, and secure high-scalability backend applications. Experience with API Platform, DevSecOps, and cloud infrastructure required. Must have strong expertise in PHP, Symfony, and SQL/MySQL. Fluency in English and eligibility for Personal Security Clearance are essential.

Software Engineer/Computer Scientist to develop a GenAI platform for high-fidelity flow simulation in aerospace, power generation, energy, and weather forecast. Responsibilities include designing and evolving the platform architecture, building user interfaces, developing agentic AI models, and staying current on AI & CAE advancements. Requires strong Python skills, Kubernetes expertise, cloud infrastructure experience, and a PhD or MSc in a relevant field.

Remote contract for PhDs in Mathematics, Statistics, or related fields. Design math problems to test AI performance and evaluate AI outputs. Collaborate with researchers to refine benchmarks.

Remote contract for PhDs in Physics, Applied Physics, or related fields. Design physics problems to test AI performance, evaluate AI outputs, and collaborate with researchers to refine benchmarks.

Senior Accountant Team Lead will manage accounting operations for multiple entities, ensuring financial data reliability. Responsibilities include general accounting, closing & tax, treasury & monitoring, and supporting process improvement.

Test Engineer ensures fast, reliable, and high-quality software releases by implementing regression testing and automation strategies. Responsibilities include designing test plans, executing tests, developing automated API tests using Java, Rest-Assured, and Cucumber, and integrating tests into CI/CD pipelines. Must have 5+ years of API test automation experience (Java, Rest-Assured, Cucumber), strong functional, regression, and integration testing experience, and knowledge of REST APIs and authentication methods.

Design and build scalable data pipelines using Databricks, lead Azure Lakehouse implementations, and drive migrations from legacy platforms.

System Engineer with 7+ years experience in virtualization (VMware vSphere & Nutanix AHV) to manage, optimize, and secure enterprise platforms. Responsibilities include backup & data protection, storage management, disaster recovery, and automation.

Shape the future of customer-facing digital journeys as a Product Owner. Translate business needs into user stories and manage the product backlog in a fast-paced Agile environment. Lead Agile ceremonies and ensure smooth collaboration between business and IT teams.

Senior Data Engineer to lead Databricks implementation in an Azure Lakehouse environment. Design, build, and optimize scalable data pipelines using Spark/PySpark, Delta Lake, and Databricks workflows. Migrate legacy platforms, develop reusable frameworks, and ensure governance and security.

Data Scientist / Data Engineer needed for European institution in Brussels. Design, develop, and deploy AI-powered applications using RAG and LLM architectures. Develop NLP pipelines for document processing, summarization, and semantic search. Implement machine learning models for recommendation systems, classification, and prediction. Design and optimize data ingestion and transformation pipelines in cloud environments. Contribute to data lake architectures and ETL processes. Bachelor's degree & 17 years of experience in IT OR Master's degree & 13 years of experience.

eDiscovery Expert needed for European institution in Brussels. Must be based in Europe within 2 hours of Belgium. Experience with data processing, advanced analytics, digital forensics, and IT infrastructure required. Fluent English required. Contractor position.

Business Analyst to lead discovery and ideation for a card issuer replacement initiative. Translate strategic initiatives into actionable work and drive detailed analysis. Experience in Cards or payments is preferred.

Junior Product Consultant supports project work in credit risk and regulatory frameworks. Analyzes client requirements, contributes to solution configuration, and executes test cases. Requires strong analytical skills, communication, and reliability.

Functional Analyst needed for a large-scale IT environment in the insurance sector. Translate business requirements into functional specifications and support the development and testing of technical solutions. Collaborate with business stakeholders and development teams to ensure successful project delivery. Requires 2-5 years of experience as a Functional Analyst in a complex IT environment with a background in non-life insurance underwriting.

Data Scientist with 13+ years of experience in IT or 17+ years of experience in related fields. Expertise in data modeling, machine learning, deep learning, and NLP. Proficiency in Python, TensorFlow, PyTorch, and data science tools.