developer English-speaking jobs in Leidschendam

ISA seeks a part-time NT2 Dutch Teacher for the 2026-2027 academic year. Must have experience teaching Dutch to middle and high school students, a Bachelor's degree, "Eerste Graads" teaching certificate, and 2+ years of relevant experience. Native/fluent in Dutch and English. IB training is an advantage. This is a 50-60% position for local residents only.

IT Support Engineer provides on-site technical assistance to end-users, delivering support for desktops, laptops, printers, and mobile devices. Responsibilities include troubleshooting hardware and software issues, installing and maintaining operating systems and applications, and assisting with user account setup and permissions management.

The Department of Applied Mathematics seeks a PhD candidate to advance the state of the art in dependence models, particularly copula-based statistical models. The position involves three research directions: conditional copulas, information geometry for copulas, and integrating discrete random variables into Pair-Copula Bayesian Networks. Applicants must hold or soon complete a MSc degree in Mathematical Statistics or equivalent, have experience with programming in R, and be fluent in English.

Experienced chef needed for Indian restaurant. Prepare and present dishes, manage kitchen independently, and collaborate with team. Follow established recipes and guidelines.

Translational research physician to investigate autoreactive B cells in blood and tissues, focusing on rheumatoid arthritis and ANCA-associated vasculitis.

Assistant Controller to support Dutch entities and European financial reporting and compliance. Responsibilities include preparing financial statements, account reconciliation, analysis, and supporting audits. Requires a finance degree, 3+ years experience, Dutch accounting knowledge, and fluency in Dutch and English.

Relationship Manager for FinTech and PSP clients in the Netherlands and Nordics. Develops and manages senior client relationships, drives strategic growth, and executes commercial opportunities. Requires 10+ years of experience in FinTech or banking, strong understanding of FinTech business models, and proven ability to balance commercial growth with risk management.

Shape the learning strategy for the Boxmeer and De Bilt manufacturing sites. Lead and develop a team of L&D specialists, translating business needs into impactful learning solutions. Collaborate with site leadership, Global L&D, and external partners to drive capability building and performance improvement.

Site Supervisor for the installation, commissioning, and preservation of rotating equipment packages (compressors, motors) at a large-scale renewable hydrogen production facility.

Senior Structural Engineer to drive project innovation and strengthen Engineering capabilities. Responsibilities include defining design assumptions, performing FEM modeling and structural calculations, specifying component requirements, and supervising fellow engineers. Requires a Bachelor's or Master's degree in Mechanical Engineering, 5-7 years of experience as a Senior Structural Engineer, and proficiency in English.

Warehouse worker responsible for processing incoming goods, registering pallets, stacking and labeling products, managing transport, and maintaining documentation. Must have 2 years of logistics experience, an MBO diploma, and be proficient in computer systems.

Scientist to develop and validate novel algorithms for smart monitoring and measurement solutions. Analyze physiological signals, design experiments, and collaborate with stakeholders to translate findings into actionable insights.

Experienced Account Executive to drive sales of DoneDiligence, an AI-powered Virtual Data Room, to M&A advisors, private equity, and corporate development teams. Full sales cycle ownership, including prospecting, qualification, demonstrations, and closing.

Field Service Engineer needed for maintenance, troubleshooting, and technical support of biomethane upgrading, CO2 liquefaction, and ammonia gas plants. Requires 3+ years field service experience, NH3 refrigeration knowledge, and mechanical/electrical troubleshooting skills.

As a Night Receptionist, you provide hospitality and security during overnight hours. You handle guest check-ins and check-outs, assist with requests, and perform night audits and security rounds.

Senior accountant to manage client portfolio, provide advice, and guide assistant accountants. Develop and shape career path within a collaborative and supportive team.

Capture the future of flight as a Photographer and Videographer at Destinus. Operate FPV drones, shoot high-quality footage of flight tests and production environments, and manage visual assets. Collaborate with internal teams to produce compelling visual stories that showcase cutting-edge UAV technology.

Postdoctoral researcher to analyze long-term datasets on plant and soil community responses to nutrient enrichment and grazing in grasslands. Expertise in plant or soil ecology, statistical analysis, and scientific writing required.

Lead and assist in the installation, maintenance, and repair of manufacturing equipment, including test equipment, electrical control systems, and mechanical systems. Resolve technical problems and conduct root cause analyses of equipment failures. Collaborate with engineers and cross-functional teams on equipment and industrialization projects.

Loader/Unloader needed for a growing logistics company specializing in Amazon package processing. Responsibilities include loading/unloading trucks, checking goods, moving and stacking, and maintaining a safe work environment.