consultant English-speaking jobs in Harderwijk

Lead Data Architecture & Engineering Expert needed to build high-frequency, event-driven data foundations for a trading firm. Responsibilities include defining data architecture, designing real-time pipelines, and creating reliable datasets. Strong data architecture and technical direction experience is required.

Customer Service Officer for the Nieuw-Vennep production site. This role links customers with Sales, Warehouse, Logistics, Production, and Quality. Responsibilities include managing orders, coordinating deliveries, and handling customer inquiries. Requires fluent Dutch and English.

Senior .NET Developer will build and optimize enterprise-scale applications using C#/.NET and Azure. Responsibilities include developing new applications, enhancing existing solutions, implementing microservices, and integrating systems with third-party platforms.

Experienced Gas Trader needed to run a book and drive trading decisions in European gas markets. Responsibilities include spot gas trading, managing physical and derivative products, and interpreting market data.

Experienced Internet Security Specialist needed to strengthen large-scale network security. Focus areas include Internet security, network hygiene, BGP security, and DDoS mitigation. Requires expertise in BGP, RPKI, and network abuse investigation.

Own end-to-end performance of products across European cross-border e-commerce platforms. Lead market analysis, pricing, and promotion using data to optimize platform KPIs. Requires a degree and strong analytical skills.

Lead retention strategy for DTC brands, owning LTV, repurchase, and profit. Design 90-180 day roadmaps across email, SMS, and direct mail. Requires 3+ years of strategy leadership and advanced Klaviyo knowledge.

Junior Business Controller will provide operational analysis and support decision-making. Responsibilities include month-end closing, annual planning, and identifying business issues.

As a Bicycle Technician, you will repair and maintain bicycles and other sports equipment, advise customers on maintenance, and contribute to Decathlon's sustainability mission.

Senior Legal Counsel for a global consumer technology leader. This business-facing role advises senior leadership on commercial, regulatory, competition, and data privacy matters. Requires 5+ years of legal experience, strong contracting skills, and fluency in English and Dutch.

Strategic Account Manager to develop and expand high-value client relationships across Benelux and Northern Europe. This role involves enterprise sales, consultative selling, and driving growth in data, AI, analytics, and digital transformation solutions.

Supply Chain Manager translates Product Lifecycle Team strategy into ABR Supply Chain action plans. This role manages product launches, variations, and lifecycle activities using project management and operational excellence.

Generalist Writer needed to evaluate AI-generated content for clarity, accuracy, and coherence. Responsibilities include writing, editing, and researching complex topics. Requires strong writing, research, and critical thinking skills.

IT Infrastructure Engineer providing engineering support for space systems IT infrastructure. Responsibilities include maintaining VMware/HyperV, administering network/storage components, and developing supporting scripts. Requires a Master's degree and 5+ years of relevant experience.

Lead Java Developer to build a new messaging hub for a critical platform. Focus on scale and abstraction using Java 25, Spring Boot, Kafka, Docker, Kubernetes, and AWS. Requires 7+ years of experience.

Software Engineering Expert to test frontier AI systems against real engineering work. Document model failures in technical requests, author objective scoring rubrics, and write realistic technical tasks. Requires 5+ years of production software experience and strong Python skills.

Flight Physics Intern to develop subscale flying prototypes for aircraft dynamics. Tasks include 3D design, manufacturing, assembly, electrical integration, and testing. Requires engineering student background and interest in hands-on hardware.

Guest Service Specialist handles reservations, financial administration, and guest communication via phone and email. This role ensures exceptional service and manages feedback while adhering to brand standards. Prior luxury hospitality experience is required.

Maintenance Technician responsible for maintaining advanced robotics, machinery, and conveyor systems in an automated distribution center. Requires previous maintenance experience, skills in mechanical and electrical operations, and basic software understanding.

Brand Community Strategist to support the Netherlands market. Advise brands on organic engagement, community etiquette, and activation strategies. Requires 4-7 years in community management or social media strategy.