developer English-speaking jobs in Tienen

Provide technical support via calls, chats, and emails to resolve customer inquiries. Must have excellent English and Polish communication skills and at least 1 year of customer support experience.

Develop and implement marketing and communications policy in line with business strategy. Modernize marketing approach, introduce innovative tools and techniques. Support sales and channel teams with marketing materials and campaigns. Lead, coach, and organize the marketing team.

Penetration Testers will lead/participate in Red/Blue Team exercises, conduct web, infrastructure, and application penetration testing, and provide security design reviews and consultancy.

Automation Engineer needed for pharmaceutical experience. Develop, implement, and maintain automated systems and processes. Collaborate with engineering teams and manage projects. Requires a Bachelor's degree in a relevant field and experience with PLC, SCADA, HMI, and automation software.

Administrative Assistant for Medical Services needed for a European institution. Fluent English required, French preferred. Responsibilities include managing medical records, data archiving, visitor reception, and email correspondence. At least 3 years of relevant experience required.

Senior Business Project Manager leads and coordinates end-to-end business delivery within large-scale financial sector transformation programs. Ensures alignment across Business, IT, Operations, Testing, and external providers, driving consistent and high-quality delivery. Oversees multiple squads and streams, ensuring strong governance, coordination, and execution discipline.

Actuarial Analyst needed for Business Change & Monitoring department. Responsibilities include performing complex actuarial calculations, ensuring regulatory compliance for pensions, and contributing to technical analyses and risk management. Requires a Master's degree in actuarial science and 3+ years of experience in life insurance.

The Attorney Support Specialist provides administrative support to attorneys and managers, managing new matter openings, conflict checks, and billing processes. This role requires excellent communication, organizational, and interpersonal skills, as well as proficiency in English and another European language.

Junior Investment Analyst supports the Senior Investment Analyst in updating business plans, monitoring financial indicators, and preparing investment proposals. Requires a Master's degree in a relevant field, 2+ years of experience, fluency in Dutch, French, and English, and strong Excel skills.

Coordinate and execute communication activities for a global SAP platform rollout. Create and distribute communication materials, manage content, and support project teams. Excellent English communication skills and experience in project communication or change management required.

Cronos Europa seeks a hands-on Proxmox consultant to migrate production and non-production workloads from VMware vSphere/ESXi and Microsoft Hyper-V to Proxmox VE. Responsibilities include assessing existing environments, designing the target Proxmox architecture, planning and executing migrations, and providing knowledge transfer to internal staff.

Junior Investment Analyst supports the Senior Investment Analyst in a fast-growing international company. Responsibilities include updating business plans, monitoring financial indicators, preparing investment proposals, and conducting performance analyses. Requires a Master's degree in a related field, 2+ years of experience, strong Excel skills, and fluency in Dutch, French, and English.

Business Analyst (DACH) will bridge customer needs and Oper's platform delivery. Responsibilities include capturing and structuring customer requirements, analyzing integration points, and configuring workflows. Requires 2-3 years of consulting experience, fluency in German and English, and a technical affinity. AI experience is expected.

Lead financial performance for a Business Unit within an international petroleum company. Manage budgets, forecasting, and financial reporting. Provide strategic recommendations and insights to stakeholders.

The Director of the Office of the CIO is a strategic leadership role driving the operational, financial, and strategic frameworks of the IT organization. This role serves as a trusted partner to the CIO, translating strategic intent into execution and ensuring IT investments align with business outcomes. Responsibilities include IT strategy and portfolio planning, financial management, project management, IT operating model design, governance, risk, and vendor management.

Senior Project Engineer to lead and coordinate offshore cable system installation for renewable energy projects. Requires 6+ years of experience in offshore cable engineering, construction activities, and technical analysis.

Provides expert legal and contractual support to operational and commercial teams, negotiating and drafting high-value industrial contracts. Manages disputes and claims, supports project lifecycles, and collaborates with Trade Finance and Compliance teams.

The Service Delivery Manager acts as a business relationship manager, ensuring high-quality service delivery and managing customer relationships. Responsibilities include defining and monitoring SLAs, driving operational automation, and reporting on service performance.

Expert in data governance for e-Health projects, ensuring quality, interoperability, and compliance. Contributes to strategic projects, defining business concepts and data exchange standards. Collaborates with IT and business teams to integrate information systems within the social protection ecosystem.

Junior Tax Consultant to join the People Services team providing advisory, compliance, and coordination services related to tax, social security, employment law, and immigration. Focus areas include international employment, innovative compensation plans, and wage tax incentives. Requires a master's degree in Law, Applied Economics, or Business Administration with a focus on tax, fluency in Dutch, and English.