1608 English-speaking jobs in Brussels

Develop and maintain .NET applications and backend services for electricity market operations. Analyze, design, build, and support scalable services and APIs. Collaborate with teams and contribute to architectural decisions.

Experienced Python and React developer to build and maintain an AI-powered internal communication platform. Responsibilities include backend services, AI agent features, frontend components, and DevOps pipelines.

Flight crew member responsible for ensuring safe and efficient flight operations. Assists captain in addressing concerns, handling safety issues, and promoting company values. Requires valid EASA CPL or ATPL, type rating, and relevant flight experience. Must have ELP level 5 or better and the right to work in Belgium.

Octave seeks an Operations & Portfolio Manager to oversee the performance of its Energy Management System (EMS) across customer deployments. Responsibilities include managing EMS runtime performance, providing customer support, and overseeing hardware procurement and commissioning.

Product Owner to own and improve Octave's Energy Management System (EMS). Responsibilities include defining the EMS roadmap, managing the product backlog, and collaborating with stakeholders and engineering teams. Requires experience as a Product Owner/Manager and understanding of energy systems and markets. Excellent communication skills in English are essential.

Experienced Senior Planning Analytics Consultant to deliver end-to-end TM1 projects for a range of customers.

Freelance Accounting Manager needed for a dynamic finance team. Responsibilities include overseeing general accounting operations, supervising junior accountants, and ensuring compliance with Belgian GAAP. Requires 5+ years of accounting experience, supervisory experience, and proficiency in ERP systems.

Freelance AP Accountant needed for a dynamic organization in Brussels. Manage the full AP cycle, ensure timely and accurate invoice processing, and collaborate on process improvements.

System Engineer to design, develop, and integrate advanced systems for civilian and military applications. Collaborate with clients, define solutions, and manage the system specification process.

Senior .NET Developer to design, develop, and maintain high-performance applications supporting energy systems and data platforms.

We seek a technically proficient Functional Analyst to translate business requirements into functional and system specifications. The role involves process modeling, data analysis, and collaboration with stakeholders and technical teams to ensure accurate implementation. Responsibilities include defining functional requirements, analyzing database schemas, and supporting testing. Strong analytical skills, technical rigor, and communication abilities are essential.

Freelance Solution Architect needed for a European organization's defense sector project. Design and govern complex IT systems, aligning business requirements with secure, scalable, and interoperable solutions.

Experienced Hardware Manager to lead a team in Brussels. Oversee the full hardware development lifecycle, from design to deployment. Collaborate with cross-functional teams and ensure compliance with standards.

Senior Full-Stack Engineer to lead development of complex Java services and React/TypeScript interfaces. Shape architecture, mentor junior developers, and ensure application performance and scalability.

Lead end-to-end software delivery initiatives as a Product Owner, bridging business stakeholders and development teams. Translate business needs into user stories, functional specifications, and workflows using UML and BPMN. Drive timely releases, ensure stakeholder satisfaction, and continuously improve processes.

Experienced IT Domain Architect needed for freelance projects. Responsibilities include developing security project plans, managing security teams, and ensuring security solutions comply with standards. Must have experience in architecture leadership, agile methodologies, solution design, and technology strategy. Strong communication and stakeholder management skills are required.

Full-Stack Developer needed for a dynamic, international company. Develop new .NET applications, websites, and Web APIs using C#, .NET Core, MVC, REST API, and Entity Framework. Collaborate with the IT team and other departments. Minimum 5 years of web development experience required.

Recruiting Manager needed for 8-month contract at BCG Brussels. Manage a team of 5, oversee campus and Associate hiring, and collaborate with stakeholders in Amsterdam and London. Minimum 6 years of team management and in-house recruitment experience required.

Lead the vision and execution of AI-enabled modeling approaches across a biopharmaceutical company's development portfolio. Drive and deliver a robust AI/ML and Pharmacometrics strategy for dose optimization, extrapolation, study design, and regulatory planning.

Senior FPGA Engineer to lead and contribute to the architecture, design, and implementation of electronic hardware projects. Experience in VHDL, FPGA/SoC architectures, and video/image processing required.