backend developer English-speaking jobs in Harderwijk

The R&D Engineer will define, manage, and support R&D activities for EU PNT system, signal, and PRS evolutions. Responsibilities include technical monitoring and reporting of GNSS evolutions, coordinating with ESA offices, Directorate teams, and external stakeholders. The role also involves assessing EU PNT system concepts, participating in signal and spectrum evolutions, and supporting the identification and definition of novel R&D activities for future EU PNT satellite systems.

Sales Support & Follow-up Specialist to support Area Sales Managers. Responsibilities include preparing quotations, following up on sales opportunities, and coordinating with clients and internal departments.

As a Hands-on Technical Project Manager, you will implement and monitor projects, supervise on-site installations, and prepare technical design documentation. You will also assist with workshop assembly and maintain internal design standards. Requires an engineering background, fluency in French and English, and the ability to troubleshoot technical issues.

Experienced Penetration Testers are needed to support cybersecurity operations within a NATO environment. Responsibilities include conducting penetration testing across web applications, infrastructure, and enterprise systems, providing security consultancy, and collaborating with stakeholders.

Datadog Sales Engineers qualify and close opportunities with customers and partners. They provide technical expertise through presentations, demonstrations, and supporting technical evaluations. Sales Engineers collaborate with the product team on feature requests and assist clients with onboarding and technical challenges.

Business Intelligence Consultant will develop and improve data and analytics solutions to support operational efficiency and the energy transition. Responsibilities include translating business requirements into data-driven solutions, creating data models and visualizations, and ensuring data product quality. Requires a Bachelor's/Master's degree in a quantitative field, 2-5 years of experience, and proficiency in SQL, cloud data platforms, data integration tools, and data visualization software.

Samen1, a new public broadcaster, seeks enthusiastic volunteers for presentation, editing, and reporting roles. Applicants should be politically interested, possess a passion for journalism, and have a good command of Dutch.

Experienced Business Development Director needed to build and manage executive relationships, shape strategic opportunities, and close large-scale AI transformation programs in the Netherlands.

Experienced Microsoft D365 Business Central Project Manager needed to lead full-cycle ERP implementations. Manage international projects, coordinate teams, and ensure successful delivery. Proven project management experience and fluency in English and Dutch required.

Human Resources intern to research and advise on attracting and recruiting international talent for growing company.

Business Intelligence Consultant will translate business requirements into data-driven solutions by analyzing, modeling data, and creating visualizations. Responsibilities include developing new data & analytics solutions, improving existing ones, and collaborating with Data Scientists, Data Engineers, and Data Architects.

Supports site team by managing contractual obligations, preparing reports, and optimizing processes. Requires experience in contract management, finance support, and reporting.

Principal Engineer to define architecture and technical strategy for AI workloads at global scale. Drive design of scalable systems for vector search, retrieval, indexing, ranking, and AI serving. Lead cross-team initiatives and translate industry trends into production capabilities. Extensive experience designing and building large-scale distributed systems, databases, search engines, or AI infrastructure platforms required.

The Project Manager, Payroll Operations leads projects and initiatives for International Payroll Operations, ensuring compliance with regulations. Responsibilities include managing projects, collaborating with stakeholders, and supporting the Payroll Team. Requires 3+ years of international project experience, understanding of project management methodologies, and fluency in English. Experience with HRMS systems and Microsoft Office Suite is necessary.

Quantitative risk professional sought for IRB modeling and validation in banking environments. Experience in PD, LGD, and EAD modeling, Basel credit risk, and regulatory capital models required.

Lead a Product Trio to define and build a platform product roadmap, focusing on user needs and business value. Collaborate with Design and Engineering to ensure a user-friendly and functional product. Drive product-market fit by analyzing customer data, validating pain points, and prioritizing work based on key metrics.

Leads brand strategy, positioning, and voice across all markets for Insify, a European insurtech company. Develops and executes brand campaigns, owns brand health metrics, and partners with cross-functional teams. Requires 8+ years of brand experience, a proven track record of building brands, and deep product knowledge.

Supports the Programme Manager in planning, coordinating, and controlling complex technical programmes. Maintains and updates the Integrated Master Schedule (IMS), monitors schedule progress, and assists with project cost tracking and reporting.

Risk & Issue Lead required for IT modernization programs. Bachelor's degree and 3-5 years of experience in project management, PMO operations, or delivery coordination needed. PRINCE2 Foundation certification and experience with risk, issue, and action logs essential. Strong organizational and documentation skills required. Must hold or be eligible for a high-level security clearance.

Market data expert to lead policy renewals, fee negotiations, and business development. Requires deep knowledge of market data licensing, policies, and fee structures. Proven network within the market data industry essential.