qa English-speaking jobs in Leidschendam

Process Engineer FEP will improve a fluoropolymer production asset by providing technical support, leading root cause analyses, and implementing process changes to enhance safety, quality, and sustainability. A Master's in Chemical Engineering is required.

Sales Development Representative to drive business growth by executing sales strategies and cold prospecting. Responsibilities include lead nurturing, CRM maintenance, and qualifying prospects. Requires strong communication skills and fluency in Dutch and English.

Principal Cloud Engineer (Azure) sets cloud strategy and architecture for a large-scale SaaS platform. This senior individual contributor leads infrastructure transformation, driving AI-native operations and technical direction across teams. Requires 7+ years as a cloud engineer with Azure.

Territory Sales Manager to expand continuous glucose monitoring access in the Netherlands. This role involves territory leadership, consultative selling, and educating healthcare professionals across primary and secondary care.

Science Specialist needed for freelance AI training. Expertise in physical, earth, environmental science, chemistry, physics, or astronomy is required. Must be fluent in Dutch to challenge language models on complex scientific topics.

Support the global People function by coordinating onboarding, HR, and talent operations. This role involves process optimization, systems management, and improving the employee experience across distributed teams.

Manage a portfolio of 60-80 clients, guiding SEO and GEO strategy using an AI platform. This role requires strong communication, strategic thinking, and fluency in Dutch and English.

Project Management Officer in Customer Support drives program control and cross-functional alignment. Responsibilities include governance, resource management, financial tracking, and maintaining integrated program plans. Requires 5+ years in PMO/Program Management.

Support the French HR & payroll services for non-European clients in this administrative role. Tasks include drafting contracts and responding to employee/client questions while supporting international HR management.

Senior Full-Stack Engineer to craft delightful UI and scalable AI for Databricks' data and AI infrastructure. Requires 5+ years with HTML, CSS, JavaScript, and experience with modern frameworks and server-side technologies.

Junior BI Developer supports design and delivery of scalable BI products across EMEA using the Microsoft Power Platform. Gain hands-on experience across the full development lifecycle while developing technical skills.

Test and Maintenance Technician supports mechanical tests on components and systems at ESA's Space Test Centre. Responsibilities include performing acoustic, vibration, and shock testing, planning test preparation, and maintaining facilities.

Intern Data Science & AI will analyze operational sensor data from the Feadship fleet using AI. The role involves exploring AI research, developing and evaluating models, and applying work to practical use cases.

Senior Carbon Project Developer leads carbon offset project development across sectors like renewable energy and forestry. Responsibilities include designing PDDs, supporting MRV under standards like Verra, and sourcing new project opportunities. Requires 3+ years of relevant experience.

This role involves identifying new business opportunities and building client relationships for software solutions in the healthcare market. Candidates must be fluent in Dutch and English.

Support ESA in satellite telecommunication system analysis and simulation. Requires Master's/PhD in Telecommunication/Electrical Engineering and SATCOM experience.

Naval Architect / Marine Engineer to design sustainable aquaculture and fishing vessels. Responsibilities include translating customer needs into buildable designs, performing structural calculations, and managing design documentation. Requires a relevant degree and 3+ years of experience.

Customer Support & Operations Specialist needed to provide in-person and virtual support to partners. Responsibilities include account setup, issue resolution, and educating partners on platform policies. Fluent Dutch and English are mandatory.

Marketing Coordinator in the logistics industry. Responsibilities include strategic and operational marketing, brand positioning, website management, and go-to-market strategies. Requires 3+ years of experience and fluency in English.

Assistant Operator in Liquid Compounding prepares raw materials by weighing and processing ingredients according to recipes. This role involves physical work, equipment operation, and data registration in a 3-shift schedule.