frontend developer English-speaking jobs in Maaseik

Results-driven Sales & Team Manager to lead Antwerp office, driving operational excellence and B2B sales growth.

Design, develop, and maintain scalable .NET applications (.NET Core / .NET 6). Build and integrate APIs and services for energy systems, smart grids, and data platforms.

Senior Onsite Support Engineer needed for a 1-year contract in Ghent. Provide first-line IT support, configure workstations, troubleshoot issues, and support local IT projects. Requires 10 years of experience in end-user IT support, fluency in Dutch and English, and strong troubleshooting skills.

Leads end-to-end Medical Affairs activities for Celltrion's biosimilars in Dermatology and Rheumatology. Builds relationships with Key Opinion Leaders (KOLs), maintains therapeutic area knowledge, and provides medical expertise. Requires a Master's or Doctorate degree in a related field, fluency in Dutch, French, and English, and 2+ years of industry experience.

Marketing Coordinator to support event and campaign management. Responsibilities include event organization, speaker and exhibitor management, campaign launch and influencer relations.

Manage the full accounting cycle for a fast-growing energy infrastructure company. Responsibilities include statutory reporting, tax compliance, month-end close, treasury management, and intercompany reconciliations.

Manages and coordinates RFQ processes for critical infrastructure in a large-scale industrial decarbonization project. Acts as an interface between technical packages, reviews FEED deliverables, and prepares commissioning and performance testing strategies. Supports the preparation of technical sections for the Financial Investment Decision (FID) dossier and manages technical contract negotiations.

Leads and manages projects, ensuring successful execution and delivery of project objectives. Develops and executes project plans, focusing on achieving project goals and objectives. Experience working on post approval, phase 4 and RWE studies essential.

Lead and coordinate electromechanical module installations at client data center sites. Provide technical expertise, supervise teams, and resolve on-site issues.

Support global clinical studies using myVeeva eCOA digital solutions. Assist Digital Study Leads with full lifecycle implementation, coordinate eCOA requirements, and facilitate site trainings.

Provide compliance advice on financial markets regulations, support projects, and respond to regulatory questions.

Support the migration of SAS environments to SAS Viya in the cloud. Lead and contribute to full SAS Viya implementations and deployments. Design, configure, and optimize SAS Viya environments in cloud platforms.

The Lab Technician will conduct physico-chemical analyses of raw materials and finished products using various instruments such as NIR, laser diffraction, spectrophotometry, GC analysis, HPLC analysis, and NMR. They will record results in LIMS, support reporting, and perform routine maintenance on laboratory equipment.

Business Analyst to support payment initiatives, translating business needs into functional solutions. Experience analyzing payment flows, systems, and business processes required. Strong communication and stakeholder management skills essential.

Tech Lead to guide and mentor a team of 4 junior developers. Responsibilities include designing, developing, and maintaining scalable applications, ensuring high-quality delivery, and supporting team growth. Fluent Dutch required, along with strong .NET/C# and Angular experience.

Analyze and define business needs, translating them into functional and technical specifications for developers. Ensure the quality and added value of Portima Connect solutions. Monitor industry standards and norms, supporting their integration into solutions.

Senior SAP HCM / ECC HR Technical Consultant needed to support and enhance an on-premise SAP ECC HR landscape. Focus on technical expertise across HR modules, custom development, process optimization, and issue resolution.

Senior ERP Consultant to design, implement, and maintain CI/CD pipelines for enterprise applications. Requires expertise in Python, Bash scripting, CI/CD platforms, IaC tools (Terraform, Ansible), Docker, Kubernetes, Linux, and databases. Must have 7+ years of experience and be an EU citizen with the ability to obtain a SECRET UE/EU SECRET security clearance.

Senior Data Scientist to lead the development of a "Knowledge Platform" for a European Institution. Responsibilities include designing data models, building ETL/ELT pipelines, integrating AI, and managing cloud workflows. Requires a Bachelor's degree in Data Management, strong Python, Spark, and SQL skills, and experience with Azure Synapse or Microsoft Fabric.

Designs the architecture of optical display systems, works with suppliers to select or develop optical components, and builds test setups to characterize performance. Collaborates with internal and external stakeholders to align on requirements and priorities.