developer English-speaking jobs in Leidschendam

Data Engineering intern to build data pipelines, support finance functions, and visualize key indicators. Must have strong Python and SQL skills and be a final-year master's student in computer science.

Project-focused QHSE specialist to support global offshore engineering projects. Provides QHSE expertise from tender stage to completion, including risk assessments, audits, and training. Requires at least six years' experience in offshore engineering or marine environment and an internationally recognized QHSE qualification.

Executive Chef to lead culinary vision and menu development for a new luxury Italian restaurant concept in Amsterdam. Experience in high-end, high-volume service and premium Italian dining required.

Full-time window cleaner position with a cleaning company in Den Bosch. Responsibilities include cleaning windows at various locations such as office buildings, supermarkets, and apartment buildings. Must have some cleaning experience, a driving license (B), and be physically fit.

Provide emergency assistance to customers via phone and chat, assessing situations and connecting them with appropriate resources. Fluency in Spanish, Portuguese, and English is required.

Senior Product Quality Technologist for Personal Care (Hair, Beauty, Cosmetics) category. Develops, influences, and delivers quality, sustainability, and ethical standards globally. Requires extensive experience in product quality, compliance, and safety management within a retail, consumer, or manufacturing background.

In-House Counsel to cover maternity leave until end of 2026. Support EMEA Legal team on commercial and operational matters, drafting contracts, and managing legal documentation. Help implement digital legal tools and streamline legal processes.

Lead and operate a unique football experience platform in Amsterdam. Manage operations, marketing, and team recruitment for a proven global brand.

As the first commercial hire for the Dutch market, you will launch and scale a new region, driving revenue growth and establishing the company's local presence. You will manage the full sales cycle, from demos and discovery calls to onboarding and customer success.

Investment Banking Associate to coordinate and support M&A, Leveraged Finance, and ECM transactions for Benelux clients. Responsibilities include valuation analyses, transaction execution, client communication, and business origination. Requires 2-5 years of relevant experience and strong financial analysis, modeling, and valuation skills.

Digital Marketing Internship focused on chat marketing, email marketing, and broader strategy. Assist with campaign planning and execution, audience engagement, lead nurturing, and conversion. Must be based in Rotterdam and available to work 3-4 days per week from the office.

Finance Manager will lead all financial operations for Consilium Netherlands, including accounting, reporting, budgeting, and financial analysis. The role covers financial responsibility for the Dutch operation as well as activities in Belgium and the United Kingdom.

Reach truck driver needed for a two-shift schedule (06:00-15:00 and 15:00-00:00) in a well-organized warehouse. Responsibilities include loading/unloading goods, moving pallets, processing shipments, order picking, and stock replenishment. Must possess a valid reach truck certificate, be accurate, physically capable, and able to work in a team.

Director Project House & DistributionReporting Line: Reports to Country Manager Benelux Role SummaryThe Director Project House & Distribution is responsible for leading the Project Management organization and the Distribution (logistics and supply chain) for Siemens eMobility Charging in the Benelux.

Project Manager will implement the NS Go platform for business customers, managing project schedules, budgets, and stakeholder expectations. Requires 5+ years of project management experience, ideally in HR, SaaS, or IT, with experience in platform and mobility implementations.

Senior MarkLogic Developer needed to design, develop, and maintain enterprise applications using MarkLogic NoSQL database technologies. Requires 10+ years of IT experience, strong expertise in MarkLogic, and hands-on experience with data modeling, data integration, and DevOps tools.

This role manages internal and external projects from initiation to delivery, coordinating cross-functional teams and ensuring projects are completed on time and within budget. Responsibilities include developing project objectives, assigning personnel, and creating status reports for stakeholders.

Senior Buyer to coordinate procurement activities for offshore projects. Responsibilities include preparing RFQs, negotiating contracts, and managing purchase orders. Requires 5+ years of experience in offshore, marine, or related technical procurement.

This is a pure hunter role with full ownership of a defined set of named enterprise accounts with some existing pipeline to inherit with expansion opportunities. We are looking for experienced software sellers who have sold into senior IT buyers and have a clear track record of new logo lands in key industries such as FSI, Retail, Telco and Engineering/Industrial.

As a Partnership Specialist, you will grow Catawiki's partner ecosystem and turn partnerships into measurable business impact. You will nurture relationships with existing partners, identify new partnership opportunities, and lead partnerships from outreach to launch.