1400 English-speaking jobs in Brussels

Data Engineer to design, develop, and optimize ETL pipelines (Informatica PowerCenter) for large-scale data processing (20TB+ databases: Oracle/SybaseIQ). Develop Java Applications (Java, Springboot, Maven). Collaborate with Business Analysts to translate requirements into technical solutions.

Lead clinical pharmacology strategy for a growing biotech's small-molecule pipeline. Drive dose selection, design clinical pharmacology studies, and integrate data into regulatory outputs.

Senior Back End Engineer (Java) needed to design, build, and maintain high-performance applications. Responsibilities include translating requirements into code, collaborating with cross-functional teams, and ensuring application quality and responsiveness. Requires 6+ years experience with Java, Spring, Maven, RESTful APIs, Git, CI/CD, and SAST.

Data Engineer with 3-5+ years of experience in SQL Server, Azure technologies (Databricks, Data Factory, Functions, Stream/Log Analytics, DevOps), and Python. Develops data pipelines, workflows, and documentation. Requires Power BI knowledge and strong English communication skills.

Optimization Engineer Student will translate real-world planning rules into optimization logic and design a scheduling engine.

Automation Tester will design, implement, and maintain automated tests using Python, focusing on OOP principles and design patterns. Responsibilities include developing test suites using Playwright, implementing BDD tests with Gherkin syntax, and integrating tests into CI/CD pipelines. The role requires experience with Docker, Jenkins, and test management tools like Xray for Jira.

Full-Stack Developer needed for development, maintenance, and modernization of IT systems. Requires 4+ years Java development, web services, and Angular experience. Strong knowledge of software architecture, microservices, and cloud architecture is essential. Fluency in English (C1 level) is required.

Full-time Scrum Master for Aviation Customer. Coordinate Scrum team, facilitate Agile ceremonies, and ensure sprint commitments are delivered. Produce and maintain technical and functional documentation, ensuring traceability and compliance. Support release readiness and continuous improvement initiatives.

Quality Officer for a groundbreaking artificial energy island project. Ensure implementation of the Project Quality Management System, monitor quality performance, and review contractor documentation.

Backend Developer with 6+ years of experience required. Proven knowledge of Java, Spring, Maven, RESTful APIs, and version control systems. Familiarity with TDD, CI/CD, and SAST tools. Strong understanding of OO principles, DDD, and design patterns.

Enterprise Architect fluent in English needed for a role based in Brussels, Belgium. Will create business, technical, solution, and data architecture models. Requires 15+ years of experience in IT, enterprise architecture frameworks (TOGAF, COBIT, Zachman), and business process modeling tools (ArchiMate, UML, BPMN). Must have experience with enterprise architecture tools (ARIS, Enterprise Architect), modern technologies (Web Logic, Tomcat, SpringBoot), cloud architecture (AWS, Azure), DevSecOps practices (Jenkins, GitLab CI), technology migration, and Blockchain.

The Chief, Agency Security Officer leads the NCIA's overall security, both cyber and physical, ensuring compliance with NATO Security Policy and NCIA business operating models. This role drives forward security risk management, standardization, and the implementation of CIS and protective security policy across NCIA business areas. The Chief, Agency Security Officer reports to the NCIA Chief of Staff and is the Principal Security Advisor to the General Manager.

Senior PPM Solution Architect designs and architects enterprise PPM platforms, translating business requirements into robust architectures. Leads technical design decisions for OpenText/Micro Focus PPM, including integrations and data models. Provides guidance to consultants and ensures solutions are scalable, secure, and maintainable.

The Director EU Affairs will develop and lead IATA's EU policy and regulatory strategy, coordinate advocacy efforts, and build relationships with EU government officials.

Design, build, and train machine learning models to solve business problems. Develop and deploy machine learning models in production. Collaborate with data scientists, engineers, and stakeholders.

Senior System Architect to design and implement high-level architectural solutions for a new IT platform supporting Risk, Finance, and Treasury reporting.

Machine Learning Engineer needed to develop and deploy production-ready ML pipelines. Experience in Python micro-services, containerization, and AI platforms required.

The Director EU Affairs will develop and lead IATA's EU policy and regulatory strategy, advocate for airline interests, and coordinate EU advocacy efforts.

Data Engineer with 3+ years of experience needed for a new team in Brussels. Build and optimize scalable data solutions using Snowflake, Databricks, and Microsoft Fabric. Fluent English required.

Senior Shopify Developer to build and optimize Shopify themes, develop custom features, and improve performance. Requires 4+ years of front-end development experience, strong Liquid, JavaScript, and HTML/CSS skills, and experience in structured delivery environments.