developer English-speaking jobs in Tienen

Global Change Management Expert to lead and implement the people side of change in key transformation projects. Responsibilities include executing ADKAR strategy, stakeholder engagement, and driving adoption across enterprise-wide digital transformations.

APM Monaco seeks a Supervisor for their Knokke store. The role involves sales generation, customer service, operations management, merchandising, and human resources support.

Detail-oriented Accounting, Controlling & Billing Officer needed to manage day-to-day financial operations, invoicing, and reporting for a sustainable agriculture startup. Requires accounting knowledge and proficiency in Belgian standards.

Freelance (UX) Copywriter needed to create clear, intuitive digital experiences. Responsibilities include writing microcopy, guiding user journeys, and collaborating with design and product teams. Requires fluent French and professional Dutch/English.

Lead the quantitative strategy for biomarkers across clinical development programs. Translate scientific and clinical questions into robust statistical and analytical approaches. Partner with Clinical, Biomarker, and Translational teams to drive evidence generation and study design.

This role supports Analytical Development by strengthening compliance and optimizing processes. Responsibilities include leading Third Party Management, coordinating supplier governance, and driving operational excellence through continuous improvement initiatives.

Develop and maintain a customer portfolio across the Benelux region for an international company distributing technical solutions and raw materials. Identify new business opportunities and manage strategic accounts. Requires B2B sales experience and fluency in English and Dutch.

Master in Law with 5+ years experience in complex organizations. Expertise in contract and liability law, drafting B2B contracts. Knowledge of corporate law, IP, or ICT law is a plus. Fluency in Dutch or French with good knowledge of the other and very good English.

Senior Key Account Manager to grow major customer portfolios by positioning IT services and technology solutions with C-level stakeholders. Requires 5-7 years in Key Account Management, understanding of IT/AI, and fluency in English and French/Dutch.

Junior Account Manager internship offering hands-on experience managing client relationships from initial contact to follow-up. Responsibilities include understanding recruitment needs, presenting solutions, and tracking client metrics. Ideal for students in communication or business.

CAR-T Operations Junior Expert performs manufacturing process activities including cell culture, purification, and aseptic processing. Responsibilities involve following SOPs, maintaining GMP areas, and collaborating with teams. A science degree is required, and fluency in Dutch or English is necessary.

Fully Belgian-qualified lawyer with 6+ years of experience needed. Must have deep knowledge of contract and energy law, and be proficient in Dutch and English. Responsibilities include drafting agreements for development projects and ensuring regulatory compliance.

Lead enterprise service intelligence and complex escalation management for customer-critical Data Estate issues. Coordinate cross-functional stakeholders to drive durable resolution and develop executive-ready insights.

Field Service Engineer responsible for maintenance, repair, and technical troubleshooting of complex industrial machinery at customer sites. Requires strong hands-on mechanical or electromechanical skills and comfort working independently with international clients.

As Practice Lead Data & AI, you will grow and shape Inetum's Data & AI practice, increasing market presence and supporting customer transformations. You will drive strategic engagements, build executive relationships, and help create innovative Data & AI offerings.

Key Account Manager role focusing on growing existing high-value accounts (80%) and leveraging professional networks for new business (20%). Requires 10+ years in commercial/account management with solution selling experience. Must be fluent in Dutch, French, and English.

As a Pharmaceutical Representative, you will plan, execute, and report on marketing and sales activities in a designated area. You will promote Krka's products to doctors and pharmacists, conduct product presentations, and participate in training and development opportunities.

Senior Backend Engineer with 8+ years of experience, expert-level Python, and FastAPI skills. Leads backend architecture for scalable, reliable platforms, designing real-time and event-driven systems.

Lead Pharmacometrics strategy and execution for model-informed drug development. Drive dose optimization, study design, and regulatory planning. Requires PhD and 7+ years in pharmacometrics, with skills in PK/PD modeling and R/Python.

Enterprise IT Architect with experience in Data and Analytics (including AI and GenAI) needed to translate business and tech vision into effective enterprise architectures. Collaborate with engineering and architecture communities to design, communicate, and improve architectural models.