developer English-speaking jobs in Leidschendam

Hands-on Datacenter Engineer to support and maintain server infrastructure in a large enterprise environment. Focus includes managing Windows and Linux servers, virtualization, and day-to-day datacenter operations. Requires 3+ years of experience.

Cleaning staff needed for various locations in Den Haag. Flexible hours available, ranging from 12 to 35 hours per week. Responsibilities include cleaning offices, hallways, and restrooms. Good communication skills and attention to detail required.

Lead global marketing strategy, digital campaigns, and PR for a luxury lighting atelier. Develop content, manage digital marketing across platforms, and own SEO. Requires design skills and WordPress knowledge.

Lead the operational transformation for a multi-million euro insurance program. Own Target Operating Model design, steer cross-program progress, and drive organizational readiness across Belgium and the Netherlands.

Sales Manager for the German-speaking market. Manage the full sales process, build long-term customer relationships, and support sales/procurement for industrial equipment. Requires C2/C1 German and 5+ years of B2B sales experience.

Coordinate engineering activities for onboard mechanical systems throughout yacht construction. Manage technical information flows, monitor progress, and ensure alignment with planning, budget, and construction requirements. Review supplier documentation, coordinate interfaces, and support system integration.

Lead end-to-end Demand Planning for the region, driving improvements in Forecast Accuracy and Bias. Coordinate cross-functionally across Sales, Marketing, Finance, and Operations to ensure a consensus demand plan.

Brand Marketing Intern focusing on Design and Online Marketing. Create engaging content for Instagram, TikTok, and LinkedIn, design visuals, and manage digital channels. Requires strong design skills and fluency in English.

Technical Artist Intern supports art pipelines and tools, optimizing assets and automating tasks. Requires enrollment in a relevant program, artistic eye, and experience with Maya/Blender.

Lead performance marketing initiatives for Pearl Abyss titles in EMEA. Own the performance marketing framework, support campaign planning via forecasting, and optimize marketing effectiveness using data. Requires 3+ years in Performance Marketing with strong analytical skills in Korean and English.

Logistics Employee in a high-tech data centre. Responsibilities include loading/unloading heavy goods, checking materials, and assembling/installing racks. Requires physical fitness, Dutch/English proficiency, and own transport.

Supervises a housekeeping team, ensuring Viku standards are met. Performs light administrative tasks and acts as a point of contact for the hotel and head offices.

Material Handler (Woodwork) ensures safe, accurate, and timely processing of materials and internal orders. Responsibilities include transporting materials, packing/unpacking products, operating an EPT, performing quality checks, and maintaining a clean and organized work environment.

Senior Python Backend Developer needed to design and maintain scalable applications using Python, FastAPI, and Microservices. Experience with Kafka, Azure Cloud, Docker, Kubernetes (AKS), and CI/CD is required.

CE Truck Driver transports recycling materials in sea containers across the Netherlands, Belgium, and Germany. Requires a valid CE license, Code 95, and digital driver card. Duties include timely delivery and maintaining transport documents.

VMware Infrastructure Engineer responsible for installing, configuring, and maintaining vSphere (ESXi, vCenter). Duties include managing VMs, configuring clusters (HA/DRS), and designing complex architectures involving vSAN and NSX. Requires experience with storage, networking, and hybrid cloud integration.

Licensed Psychologists needed for ifeel to provide Text and Video Therapy in Benelux & France. Requires relevant degree, experience, and legal authorization to practice in the specified countries. Dutch or French proficiency is required.

Lead a Customer Support team for German-speaking customers, driving operational results and improving processes. This role involves coaching, managing escalations, and acting as a bridge between the team and the wider organization. Fluent German and English are required.

Lead strategic product and site decisions for sterile & Biologics manufacturing across the TGO network. Own make vs. buy assessments, network optimization, and executive governance for sterile production. Requires 3+ years in sterile/biologics manufacturing and 5+ years in network strategy.

Senior Business Development Manager to own and scale strategic partnerships with health insurers in the Benelux. Requires 5-8+ years in B2B partnerships, strong Dutch language skills, and experience managing complex deals.