developer English-speaking jobs in Belgian Luxembourg

As a Project Assistant Trainee, you will support Project Managers in Public Diplomacy and Strategic Communication projects. You will assist with research, proposal drafting, and project management tasks, contributing to a positive image of GOPA.

Design intelligent customs processes, develop AI-powered solutions, and build integrations to simplify complex customs operations. Translate business requirements into digital solutions and improve data quality.

Technical Architect with deep expertise in commercial banking operations and blockchain technologies. Designs and architects end-to-end technical infrastructure solutions for digital money initiatives, including stablecoins. Bridges the gap between commercial banking requirements and blockchain ecosystems.

Senior Sales/Account Manager (OEM) will develop and manage strategic relationships with global automotive OEMs, securing Umicore's position as a key partner in the EV battery value chain. This role combines business development, customer engagement, market intelligence, and operational sales to drive business growth and secure long-term partnerships.

Biocartis seeks 2 temporary Lab Technicians to plan and execute scientific experiments from August 17, 2026, to December 31, 2026. Applicants must have a Bachelor's or Master's in Sciences and 3 years of experience in a regulated lab environment.

Support Service Collaborator (Freelance) will handle user requests, troubleshoot issues, and ensure a premium user experience. Responsibilities include managing ticketing systems, applying ITIL best practices, and interacting with conversational interfaces. Fluency in English and either French or Dutch is required.

Provides medical leadership for clinical trials, including study design, protocol development, and safety management. Contributes medical expertise to reports, documents, and manuscripts. Requires an M.D. degree and prior clinical trial research experience.

Regional Head of Travel, Health, IT & Cyber will define and execute the regional operational strategy, drive performance, and ensure high-quality service delivery across Northern Europe.

Senior Safety Manager/CP1 to oversee safety strategy across multiple production sites. Lead prevention policy, collaborate with departments, and ensure compliance with regulations. Manage EHS managers and contribute to safety training. Requires Level 1 Safety Advisor certification and experience as an EHS manager in an industrial setting.

The Regional Security Director EMEA develops security strategies, implements policies, and manages a team to mitigate risks and ensure secure working conditions across Europe, Middle East, and Africa.

Lead Data Architect to define data structure and strategy for customers. Collaborate with Head of Data & Analytics to identify data-driven solutions. Requires experience with Terraform, CI/CD, data architecture, and data pipelines. Proficiency in Python, Golang, or Java, and Google Cloud or other cloud environments is essential. Strong communication and mentorship skills are needed.

Design and build the integration architecture for TechWolf's AI, connecting with leading HR platforms like Workday, SAP, and ServiceNow. Collaborate with Product and Engineering teams to define frameworks, patterns, and standards for seamless integrations.

Quality Specialist to ensure data accuracy and reliability for Digital Content Products, primarily in France. Responsibilities include testing, monitoring, client communication, process improvement, and issue resolution. Requires fluency in English and French, analytical skills, and experience with data analysis tools.

Finance professional to support organizations with financial challenges, strategic decision-making, and temporary operational finance needs. Will act as an (interim) CFO, Finance Manager, Financial Controller, Business Controller, or Senior Finance Advisor. Support clients with accounting, reporting, budgeting, forecasting, and analysis. Collaborate with Grant Thornton specialists to provide integrated service offerings.

Senior AI Security Content Engineer will design and develop cutting-edge AI-focused cybersecurity training content. This role requires deep cybersecurity expertise combined with strong AI/ML knowledge. Responsibilities include researching and developing immersive training content covering AI system vulnerabilities, attack vectors, and defensive strategies. The ideal candidate has 5+ years of hands-on cybersecurity experience and practical knowledge of AI/ML systems and their security implications. Must demonstrate deep, hands-on experience with defensive/offensive security fundamentals, proficiency with core security tools and frameworks, and a strong understanding of network, endpoint, and cloud security principles. Additionally, the candidate must possess a solid grasp of AI/ML system architectures, data pipelines, and attack surfaces, as well as familiarity with AI/LLM security frameworks and hands-on skills with AI security tools. Excellent technical writing and communication skills are required to translate complex AI security concepts into engaging learning material.

Lead the People & Organization agenda for a large manufacturing site, partnering with leadership to drive strategic and tactical initiatives aligned with business priorities. Navigate complex labor relations, union negotiations, and works council partnerships.

Leads biological drug substance development projects from preclinical stages through Phase 3. Drives integrated strategies, leads multidisciplinary teams, and ensures projects meet quality, compliance, and scientific excellence standards.

Supervises daily line/light maintenance operations for ASL Aviation Holdings' fleets. Ensures aircraft availability, adherence to flight schedules, and compliance with safety/airworthiness requirements. Coordinates with MROs, planners, and other stakeholders to optimize maintenance production, manage AOG events, and ensure timely completion of repairs.

Senior Consultant/Project Manager to lead projects and contribute to acquisition approaches in the industrial sector. Requires several years of experience in consulting or related industries, strong analytical and stakeholder management skills, and fluency in English, Dutch, and French.

Process Manager will analyze, redesign, and improve existing processes within the financial sector. The role requires experience in Lean Six Sigma, strong communication skills, and the ability to translate complex processes into clear visualizations.