ruby English-speaking jobs in Belgian Luxembourg

Physics Subject Matter Expert needed for contract role. Develop physics problems for AI, create datasets, and collaborate with AI research teams. PhD in Advanced Quantum Mechanics, Advanced Electrodynamics, or Advanced Classical Mechanics required.

Coordinate international logistics flows, manage customer orders, and ensure inventory accuracy. Work closely with cross-functional teams to ensure smooth operations and high customer satisfaction.

S/4HANA Finance Consultant delivers end-to-end SAP Finance solutions, bridging business and technology needs. Designs, configures, and customizes SAP Finance modules, ensuring solution quality and user guidance. Collaborates with a team throughout the solution lifecycle, from process design to application maintenance. Requires strong S/4 Finance expertise, ABAP debugging skills, and experience in P2P, RTR, and Accounts Payable. Fluent in Dutch or French with professional English proficiency.

Associate Director to join the Competition Economics Practice in Brussels. Experience in litigation and mergers in a Competition Consulting environment required. Must have experience working in and on German matters and be proficient in English and German. Advanced degree in Economics or related field from a leading university is required.

Project Engineer needed for sustainable construction and building operations. Bachelor's degree in Electromechanics, building services, or construction required. Passion for sustainable construction and technological development. Strong communication and organizational skills. Proficiency in MS Office Suite. Knowledge of French and English, AutoCAD/Revit a plus.

Experienced Head of Regional IT to lead end-user IT operations for 2,000-3,000 employees across Northern and Central Europe. Responsibilities include managing local IT teams, ensuring infrastructure effectiveness, and coordinating with global IT functions.

Data Architect needed to design and guide the future of a GCP-based data platform for a healthcare organization. Responsibilities include defining data models, ensuring data security and governance, and collaborating with teams to integrate data across various systems. Requires experience in data architecture, cloud platforms, and healthcare data standards.

Experienced Market Director to lead and scale market growth across Europe in the consumer technology sector. Define and execute European market growth strategy, manage regional team, and collaborate with global teams.

Experienced R&D Lead Engineer needed to bridge materials development and EV battery system requirements. This role involves translating customer needs into R&D priorities, collaborating with materials chemistry teams, and supporting application trials and validation. Requires experience in EV battery pack applications and a background in materials, polymers, chemistry, mechanical engineering, or battery systems. Fluency in English is required.

The Product Manager Beverage Solutions drives strategic product execution and cross-functional collaboration. This role leads product development, manages customer requests, and acts as the go-to expert on product specifications, pricing, and market insights.

M&A lawyer to work on real transactions, leveraging AI. Focus on legal judgment and client relationships while AI handles document review. Requires corporate/M&A experience, deal guidance expertise, and a tech-curious mindset.

Senior System & Network Security Engineer to join the SOC team at ESA in Redu, Belgium. Design, develop, and maintain advanced cybersecurity services and solutions. Provide operational support, monitor project execution, and contribute to continuous improvement. Requires a university degree, proven experience as a Senior Systems Administrator/Engineer or Senior Network Security Engineer, and experience with cybersecurity operations systems and solutions. Must be fluent in English and eligible for ESA and EU secret security clearance.

Experienced CE driver needed for a transport company in Lommel. Responsibilities include transporting food and beverages across the Benelux, loading/unloading when required, and handling basic administrative tasks. Must possess a valid CE driving license with all required certificates (code 95).

Senior Backend Java Engineer to design, implement, and maintain robust backend services within a microservices architecture. Responsibilities include developing RESTful microservices using Java (LTS) and Quarkus, implementing secure and scalable backend services, and collaborating with architects to ensure alignment with architectural guidelines. Strong expertise in Java, Quarkus, REST APIs, and microservices architecture is required.

Lead and manage the Quality Assurance and Quality Control system for a multidisciplinary industrial construction project. Define, implement, and maintain the Project Quality Management Plan, ensuring compliance with specifications, codes, and client requirements. Manage the QA/QC team and supervise inspection and test plan implementation.

Experienced engineering lead to build a high-performing team culture focused on quality, collaboration, and continuous improvement. Hands-on role balancing technical contribution with people leadership and team development. Partner with Head of Engineering to implement engineering transformation initiatives and define the engineering roadmap.

Senior IAM Engineer to own and maintain authentication and authorization solutions using OIDC, OAuth, and SAML protocols. Manage digital certificates and lead troubleshooting of IAM issues.

Designs end-to-end solutions for complex business and technical challenges, translating needs into scalable and secure architectures.

Industrial Refrigeration Technician needed for preventive and corrective maintenance of refrigeration systems in various sectors. Responsibilities include fault analysis, repairs, installations, and customer communication. Requires a refrigeration technology diploma, Category 1 refrigeration certificate, and valid driving license.

Master's internship focused on developing electrical pacing protocols to enhance the maturation of human induced pluripotent stem cell-derived cardiomyocytes.