developer English-speaking jobs in Leidschendam

Lead a team of 20-75 operators in a logistics sub-process, such as receiving or picking. Coordinate, motivate, and solve workplace problems while reporting progress to the Team Lead Operations. Requires logistics experience and English proficiency.

Provide proactive HR advice across the employee lifecycle, ensuring compliance and supporting managers. Key duties include handling employee relations, driving talent initiatives, and maintaining HR best practices. Requires fluency in Dutch and English.

Dutch-speaking Economist needed to develop data-driven insights on consumer spending, household income, and broader economic developments using proprietary data. This role involves independent economic research and stakeholder communication.

Customer Success Manager serves as the primary client contact, guiding customers to maximize energy asset investment. This role requires translating technical insights into client narratives, identifying growth opportunities, and maintaining strong client relationships. Fluent Dutch is required.

Mechanical Engineer to join an R&D team in plastic recycling and additive manufacturing. Responsibilities include defining specs, designing concepts, and developing products from concept to production. Requires a relevant degree and engineering experience.

Deliver exceptional music education within the IB Middle Years Programme (MYP) for children aged 11-16. This part-time role involves collaborating with teachers to craft and design engaging, innovative curriculum units.

Design, develop, and roll out global training programs by translating business needs into practical learning solutions. This role requires stakeholder engagement, project coordination, and experience in L&D.

CI/CD Specialist for the EMS Platform Team. Design and maintain CI/CD pipelines for OT systems, ensuring stability and security. Requires knowledge of CI/CD tools and OT protocols.

Lead a team of twenty technical professionals to ensure a secure, reliable digital foundation for 18,000 students. Translate strategy into technical roadmaps, guiding choices on architecture, security, and sourcing.

SOC Analyst Tier 1 role monitoring security alerts from EDR and SIEM tools. Focus on alert analysis, documentation, and escalation. Requires IT fundamentals, cybersecurity concepts, and English fluency.

Seeking a DevOps Engineer Orchestration for a full-time, hybrid role. Expertise required in Cloud Computing, Software Development, and Solution Architecture. Salary ranges from €5,030 to €7,183 monthly.

The Financial Planning Analyst supports financial planning, budgeting, forecasting, and business analysis. This role develops BI reporting, analyzes performance, and advises management on financial insights. Requires 5+ years in FP&A and proficiency in tools like Power BI and OneStream.

Participate in a freelance, task-based study testing the OKX crypto exchange app's onboarding and payment journey. Testers must be new users, fluent in the local language, and able to narrate in English while completing guided tasks.

Manage packaging development from concept to production for international brands. This hands-on role covers structural concepts, dielines, artwork, and supplier support. Requires 5+ years of experience and strong Adobe Illustrator skills.

Junior Transaction Monitoring and Sanctions Officer ensures compliance with transaction monitoring requirements. Responsibilities include analyzing AML alerts, documenting findings, and investigating cases. A relevant degree or experience is required.

Design and implement complex, scalable, and secure AWS solutions. Provide technical guidance and act as a trusted security advisor to customers throughout the project lifecycle. Requires 5+ years of hands-on security experience.

Working in a small friendly team as a Production Operative (Temporary), 40 hours p/week until 22nd December 2026. Position to be reviewed end of year depending on key account orders.

Plan production by balancing demand, capacity, and material availability. Coordinate raw material planning and manage international supplier orders. Analyze data using SAP, Power BI, and Excel.

The Housekeeping Operations Medewerker ensures the cleanliness and presentation of guest laundry. Responsibilities include laundry cleaning, managing stock, small repairing, and liaising with other departments.

MuleSoft/Java Developer to build and maintain integrations between an Execution Management System and a Data Science platform. Responsibilities include developing APIs, integrating real-time data with Bloomberg, and supporting the transition to an Azure-based integration landscape.