ruby English-speaking jobs in Belgian Luxembourg

The Cost Controller analyzes, validates, and processes invoices for ground services, ensuring accuracy and compliance with contractual terms. This role investigates discrepancies, collaborates with internal and external stakeholders, and prepares reports on cost trends and variances.

European investment firm seeks experienced Senior Portfolio Managers to contribute to managed asset growth. Portfolio Managers will operate within a structured, fully regulated environment and offer a systematic, multi-asset investment approach.

Business Intelligence Expert to design, implement, and maintain data models and reporting applications for the European Commission. Requires 10+ years of experience in data warehousing, SQL, and relational databases, and 5+ years in Microsoft Fabric, Power BI, and cloud BI.

Sales Manager to achieve sales targets for Denza in Antwerp by developing localized strategies and managing dealership partners.

Service Delivery Manager for digital applications ensuring quality, stability, and continuous improvement. Manages application lifecycle, SLAs, KPIs, and incident/change management. Leads internal teams and vendors to deliver high-quality services and optimize processes.

Provides first-level onsite and remote support for hardware, AV systems, and basic networking. Acts as primary point of contact for onsite support, resolving IT service issues and collaborating with internal teams. Requires expertise in AV systems (Extron, Crestron), hardware support, and network troubleshooting. Fluent in Flemish (Dutch) with English written and communication expertise.

Execute and maintain the data governance implementation roadmap for eGDR domain. Develop, document, and evolve data governance processes and workflows. Act as a first-line contact for data governance-related requests. Drive the implementation of data cataloguing, metadata management, and data lineage. Collaborate with stakeholders and users to gather requirements and provide guidance on data governance practices. Contribute to the coordination and alignment of data governance activities at the corporate level.

Lead Pharmacometrics strategy for drug development, guiding dose selection, study design, and paediatric planning. Deliver PBPK, QSP, and clinical simulations, translating model outputs into actionable recommendations.

Experienced QA/QC Quality Manager needed for a flagship 600 MW hyperscale data center project in Belgium. Develop, implement, and oversee the project's Quality Management Plan, ensuring compliance with standards and client specifications. Lead a QA/QC team, coordinate with subcontractors, and manage testing, verification, and commissioning activities.

Backend Technical Lead guides backend and data engineering efforts, ensuring secure, high-performance applications. Leads development, optimization, and deployment activities, collaborates with stakeholders, and mentors teams.

The Key Account Manager drives revenue growth and manages strategic customer relationships. Responsibilities include prospecting, contract negotiation, and collaborating with internal teams. Requires 3+ years of experience in international air cargo or logistics, with a proven track record in revenue growth and customer relationship management.

Prepare, review, and issue client invoices. Monitor billable hours, follow up on outstanding invoices, and support partners with billing reports.

Junior Functional Analyst to join a training track focused on backend payment systems (Instant Payments, SEPA Credit Transfer, SEPA Direct Debit). Will perform functional analysis, translate business requirements, support testing, and collaborate with teams.

As a Field Application Specialist, you will install, configure, and maintain automated analysers at customer sites. You will also provide application support, troubleshoot issues, and train users.

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

The Managing Director is responsible for the strategic, operational, and financial management of one production site and one logistics site within a food industry setting. The role ensures safe, high-quality, and compliant food production while achieving sustainable growth and operational excellence.

Designs, implements, and manages Customer Engagement solutions leveraging Microsoft Dynamics 365, Power Platform, and Microsoft Copilot. Provides technical guidance to clients and project teams, ensuring best practices for architectural design and governance. Contributes to solution architecture, requirements gathering, and system integration. Possesses extensive experience as a Dynamics 365 CE (CRM) Technical Architect and related technology skills. Fluent in English and (Dutch or French).

Freelance .NET Developer sought for 12-month rolling contract with a leading Belgian utility organization. Develop and maintain backend applications using C#/.NET, build REST APIs, and participate in integrations across complex energy-sector ecosystems.

Senior Full-Stack Developer to develop and maintain cross-platform interfaces using React. Refactor and modernize components, improve product performance and design, and collaborate with a small agile team.

Lead hardware architecture definition and system design for complex electronic products, ensuring robustness, performance, and manufacturability. Translate product requirements into hardware solutions, set design standards, and mentor engineers. Collaborate with cross-disciplinary teams to ensure seamless integration and performance.