frontend developer English-speaking jobs in Maaseik

Nexeo seeks an Agile Product Owner for a digital transformation program. Define product vision, translate business needs into specifications, and manage the product backlog. Experience in Agile methodologies, digital projects, and stakeholder management is required.

The Head of Unit for Administration will be responsible for all administrative, budgetary, and financial matters related to the Secretariat's operations. This includes managing staff, preparing budgets, handling finances, and overseeing logistics for the annual Energy Charter Conference meeting.

Senior Analyst Developer to reinforce a dynamic Agile development team. Develop new applications, features, and bug fixes, and participate in operational maintenance. Coach/mentor junior team members and contribute to technical decision-making. Must have several years of professional experience, in-depth knowledge of recent Java frameworks, and experience with application integration, relational databases, and agile development methodologies.

Lead Java Developer for a 1-year contract with possible extensions. Design, develop, and optimize high-performance applications using Java, Quarkus, MongoDB, and PostgreSQL. Expertise in microservices, Kafka, ELK stack, and DevOps practices. Strong experience with CI/CD pipelines, security best practices, and Agile methodologies. Provide mentorship and collaborate with stakeholders.

Data Architect to shape the future data landscape of the Ministry of Defense. Define and govern data architecture, ensure data integration and security, and drive the design of scalable data platforms.

The Scrum Master ensures the global understanding and application of the Agile Methodology within a project team. They facilitate Scrum ceremonies, assist the Product Owner, and coach the team on best practices. The Scrum Master also tracks team metrics, shields the team from distractions, and resolves impediments.

Senior Python Backend Engineer needed for a European institution in Brussels. Develop and maintain RESTful APIs, design database schemas, and optimize application performance. Requires 9+ years of IT experience, proficiency in Python, and experience with frameworks like Django, Flask, or FastAPI.

EM&E Group seeks a highly motivated intern to support EU & NATO Business Development activities. The role involves monitoring funding programs, preparing proposals, identifying partners, and supporting negotiations.

Expert in AI/NLP/ML to design, implement, and optimize advanced models using LLMs, RAG frameworks, and other state-of-the-art approaches. Develop methods for text mining tasks and fine-tune pre-trained models. Collaborate with teams to integrate AI/ML solutions and conduct rigorous analysis to improve model performance.

Java Developer to design, develop, and maintain software applications. Experience with Java Spring MVC, Docker, JPA/Hibernate, Maven, and GIT required. Agile methodology experience and fluency in English, French, or Dutch are assets.

Billing & Collection Specialist will support billing accuracy, revenue optimization, and effective collections management for a leading international law firm.

Experienced Power System Expert sought for international projects focused on renewable energy integration, grid security, and operational efficiency. Requires 10+ years of experience in power system operations, security, and balancing, with expertise in system analysis, simulation tools (PowerFactory, PSSE), and translating data into strategic insights.

System Integration Lead needed for complex integration initiatives across IT landscapes. Requires experience in leading integrations, business analysis, defect analysis, technical design, and project lifecycle management. Solid understanding of MQ, APIs, messaging, and integration platforms is essential. Minimum 4 years of relevant experience required.

Business Developer to identify, qualify, and engage prospects, conduct demos, and close deals. Leads full sales cycle from prospecting to contract negotiation. Collaborates with presales, Customer Success, and Marketing teams. Minimum 3 years experience in Account Management, Sales, or Business Development required. Strong negotiation and persuasion skills needed. Fluency in French, Dutch, and English.

Cybersecurity Specialist to strengthen security practices in a cloud-driven environment. Focus on protecting applications, infrastructure, and data while supporting secure digital transformation. Collaborate with teams to ensure cybersecurity is embedded across systems and processes.

Business Development Executive to drive new customer acquisition for a global life sciences logistics provider. Focus on Belgian market, particularly smaller pharma and biotech organizations. 3-4 years of business development experience with a proven track record of new business wins required.

Data Partner - Business Writer needed to design advanced, domain-specific questions and solutions in Dutch. Must have a completed Master, Bachelor or local equivalent in Business Writing and strong proficiency in Dutch writing.

Business Development Manager needed to build and maintain client relationships, recruit consultants, and manage their career development. Must have a Master's degree, fluency in French and English, and at least 1 year of experience in business development.

Associate Employment Lawyer sought for international law firm in Brussels. Advise on Belgian and EU employment law matters, including compliance, contracts, and restructurings. Support transactional work and handle conflict management. 1-5 years of experience required.

Customer Operations Specialist oversees the order-to-cash process for retail, Out of Home, and Food Solutions customers. Collaborates with internal teams to ensure smooth logistics and service execution. Leads improvement initiatives and coaches a team of Customer Specialists. Requires a degree with 5+ years of FMCG experience, proven people management skills, and fluency in Dutch and English.