developer English-speaking jobs in Leidschendam

Customer Support Intern role focusing on operational requests, SLAs, transportation, and customs. Responsibilities include supporting logistics, monitoring KPIs, and data analysis. Requires MBO/Bachelor's in Logistics/Supply Chain and good English.

Production Assistants are needed for warehouse tasks including picking, packing, loading, and quality checks. Candidates must be 18+, physically fit, proactive, and have basic Dutch or English. Roles are part-time or full-time.

Key Responsibilities: Engages with customer in a courteous and professional manner. Ensures prompt and efficient attention to customer needs. Applies the use of specialized tools and follows documented procedures and policies to diagnose and complete basic repairs, including preparing required parts and tools.

Support the automation team by mapping Finance workflows and prototyping AI agent architectures using Anthropic Claude. Partner with IT to transition and scale these solutions on the enterprise AI platform.

Trading Specialist Maternity Cover role involves sales and stock monitoring, inventory management, and supporting promotions. Requires a merchandising/digital trading background, Excel skills, and collaboration.

R&D Engineer to develop advanced orthopaedic technologies, including hip/knee prostheses and bone fixation systems. Responsibilities involve biomechanical assessment, CAD modeling, and performance testing. Requires a Master's degree and knowledge of medical device regulations.

As a Sales Assistant, you will deliver exceptional customer service, maintain store presentation, and manage sales and inventory. You will also champion sustainability and collaborate with the team.

Drive growth and customer engagement across Wholesale & Distribution and Automotive sectors in Benelux. Execute integrated marketing campaigns, manage demand generation, and support new product launches. Fluent in Dutch and English required.

Lead complex, high-value construction and infrastructure projects. Requires 5+ years as a Senior Construction Project Manager with expertise in project controls, planning, governance, and cost management. Must use Primavera P6 or MS Project.

Graduate Quant Trader role involves a six-month training program. Responsibilities include building, backtesting, and deploying systematic trading strategies using Python/C++, analyzing data, and improving pricing models. Requires a Master's in a quantitative field.

On-call Steward responsible for maintaining the cleanliness of china, silverware, kitchen equipment, and cookware. Supports the kitchen team during busy periods and events. Requires English proficiency and flexibility.

Operations Advisor supporting Swedish and Norwegian clients. Responsibilities include customer service, managing inquiries, and handling claims investigation, documentation, and settlement processes. Requires fluency in English, Swedish, and Norwegian.

Experienced Electrician/Renewable Energy Installation Technician needed for projects across the Netherlands. Responsibilities include installing, configuring, and commissioning solar PV inverters, battery storage, EV chargers, and smart energy systems.

Archive & Collection Intern role at OMA. Assist the Collection Manager with archiving past and current works, handling digital/physical materials, and coordinating with departments. Requires relevant degree, MS Office proficiency, and English fluency.

Principal or Lead Full Stack Engineer to design and build scalable front-end (React, Vue, Angular) and back-end (Node.js, Python) applications. Lead technical direction, mentor engineers, and drive automation across the digital platform.

Field Service Engineer installs, commissions, and troubleshoots automated production lines using advanced machinery. Requires a Mechatronics or Electrical Engineering degree and experience with PLC-controlled systems. International travel is essential.

HR Business Partner to align HR initiatives with business goals for JD's logistics division. Responsibilities include talent management, recruitment, employee relations, and advising on HR policies. Requires 5+ years of HRBP experience.

Territory Sales Manager to manage business in the Nordics and UK. Build relationships with distribution partners and end customers. Requires native/C2 Nordic language skills and business fluency in English.

About Us At Booking. com, data drives our decisions. Technology is at our core. And innovation is everywhere. But our company is more than datasets, lines of code or A/B tests. We’re the thrill of the first night in a new place. The excitement of the next morning. The friends you encounter. The journeys you take. The sights you see. And the memories you make.

Perform preventive and proactive maintenance on printing machines, troubleshoot malfunctions, and verify maintenance quality. This role involves testing updates, training colleagues, and collaborating with operations teams.