javascript English-speaking jobs in Aarschot

Experienced Financial / Business Controller needed for a 6-10 month contract. Collect, validate, and analyze financial and operational data. Design and maintain management reports, focusing on key performance indicators. Improve and harmonize controlling processes across multiple markets.

Key Account Manager to manage and grow strategic client relationships within the staffing industry. Minimum 5 years of experience in a commercial/account management role with proven experience within the staffing business is required. Fluent in Dutch, French and English. Active in East and West Flanders and the wider northern Belgium region.

Software Developer for long-term assignment in the energy sector. Develop real-time software solutions using C#, Azure, and AWS. Contribute to electric grid balancing and connect physical assets to forecasting and optimization systems.

Accountant needed to manage accounting for all entities. Responsibilities include processing bills and invoices, bank reconciliations, monthly and year-end closings, and supporting process improvements.

Experienced Integration Analyst / MuleSoft Developer needed to support an API-led integration platform built on MuleSoft Anypoint Platform. Responsibilities include maintaining, enhancing, and developing integration flows, collaborating with teams, and providing technical expertise.

Develop and execute social and influencer strategies across multiple European markets (France, Belgium, Germany, Netherlands). Manage influencer partnerships, design content, and optimize campaigns for performance.

Senior Finance Consultant to transform finance processes for clients across various sectors. 7-10 years of experience in accounting, controlling, or treasury required. Fluency in English/French and strong stakeholder management skills are essential.

Change Manager - Data will design, guide, and embed changes within the Data Product line. The role requires experience in change management within data environments, data architecture, and modern data technologies.

Performance Marketing Manager will own paid acquisition strategy, execution, and optimization across Google Ads, LinkedIn, and Meta. Responsibilities include campaign strategy, ad creative, testing, performance analysis, and landing page optimization. Requires proven experience in B2B SaaS performance marketing, platform expertise, strong copywriting, and a data-driven approach.

Lead the vision, roadmap, and delivery of a SaaS product. Translate business objectives into product backlogs and collaborate with cross-functional teams to ensure product success. Manage vendor relationships and stakeholder expectations.

Manages day-to-day operations of the affiliate and aggregator program in Belgium. Develops and drives global affiliate marketing strategy, identifies and recruits affiliates, and negotiates contracts. Analyzes performance, identifies areas of improvement, and presents reports.

Support a team in identifying and recruiting consultants for exciting projects. Responsibilities include sourcing candidates, screening CVs, conducting interviews, and assisting with the recruitment process.

Field Service Engineer responsible for installing, maintaining, and repairing ZEISS medical equipment. Provides customer training and identifies new customer needs. Requires a higher technical degree, fluency in Dutch, French, and English, and a valid driver's license.

Mainframe developer to perform technical analysis and development for Term Deposit systems. Develop, maintain, and optimize Mainframe applications (Cobol, DB2, IMS, GTMS, JCL, EdZ). Troubleshoot incidents and contribute to middleware integration. Collaborate with a small agile team and participate in knowledge sharing and documentation.

Leads and develops the Sales & Operation Planning process and team to deliver customer service, manage supply chain costs, and optimize inventory. Drives short, medium, and long-term supply and demand alignment, supporting business plan delivery and S&OP implementation for innovation and transformation programs. Manages demand and supply planning, including baseline, promotional, and new product development, optimizing line utilization and resolving demand and supply reconciliation issues. Develops and implements supply chain information systems and leads S&OP activities related to company-wide strategy development and implementation. Manages a team of Demand & Supply Planners and Planning Managers, fostering a culture of continuous improvement and driving performance to objectives. Reports directly to the Procurement & Supply Chain Director and collaborates with various stakeholders across the organization.

QC Specialist Systems will act as the local reference for QC laboratory systems, ensuring reliable, compliant, and audit-ready systems. This role will lead changes across key platforms, protect GMP and Data Integrity (ALCOA+), and drive continuous improvement. Strong GMP, Data Integrity, and lab systems experience are required.

Integration Architect needed for a software integration company. Designs and implements application architecture, manages database architecture, and supports application development. Requires 5+ years of experience in IT architecture and strong analytical, collaborative, and communication skills.

Provides administrative, logistical, and on-site support for the European Learning Center, ensuring smooth delivery of CIS Culture & Training initiatives. Coordinates training logistics, manages materials, and acts as a point of contact for facilitators, trainers, and trainees.

Manages infrastructure replacement and improvement projects across remote sites and data centers. Responsibilities include coordinating hardware replacements, conducting impact assessments, and managing change processes. Requires 10+ years of experience in data center, hosting, or telecommunications environments.

Freelance Mechanical Design Engineer needed for custom industrial projects in Flanders, Belgium. Requires strong 3D CAD skills (CREO preferred), experience with machinery design, and problem-solving abilities.