qa English-speaking jobs in Leidschendam

(Demi) Chef de Partie to oversee a kitchen section, ensuring quality, presentation, and consistency. Responsibilities include managing daily operations, training staff, and maintaining hygiene standards. Requires passion for cooking and knowledge of HACCP.

Inside Sales Representative supporting German infrastructure projects. Requires 5+ years in a commercial administrative role, strong German, and organizational skills. Focus on order processing, customer support, and project oversight.

Data Scientist needed for Discovery Data Science, focusing on active learning and lab-in-the-loop approaches. Develop ML models to understand antibody function and support discovery decisions. Requires PhD, strong ML/stats skills, and Python proficiency.

Quant Developer for Real Estate analytics. Develop and enhance data-driven analytics and LLM platforms for investment decisions. Requires strong Python, SQL, and Databricks skills with 5-8 years of experience.

Client-facing Project Manager for Application Services in Insurance/FSI. Lead discussions on application modernization and digital transformation for Financial Services clients. Requires 8-12 years of experience and fluency in Dutch and English.

Biotech Associate needed for GMP manufacturing of cell therapy products. Responsibilities include cell and tissue culture, aseptic techniques, and documentation in a cleanroom. Requires 1+ year in industrial GMP and experience with cell/tissue culture.

Thuisbezorgd.nl seeks Couriers to make deliveries. Must be 16+ and work one weekday evening and one weekend evening weekly. Own vehicle requirements vary by location.

Senior Financial Analyst, Supply Chain acts as Financial Business Partner to Global Procurement. This role owns direct materials finance, cost modeling, and reporting to shape sourcing strategy and margin outcomes.

Senior System Middleware Architect to define the core framework strategy for a multi-device OS platform. Requires deep expertise in OS internals, Android/iOS frameworks, and cross-platform development like React Native or Flutter.

Business Developer to drive growth in the Aerospace, Space & Defense sectors. Responsibilities include developing new business, client partnerships, and recruiting engineering talent. Requires a Master's degree and commercial drive.

Java/Kotlin Developer to join a growing DevOps environment building a cloud-based platform. Requires solid experience with Java 17+, Spring Boot, Kotlin Microservices, and REST APIs. Must be comfortable with Docker, Git, and CI/CD. Dutch language skills are required.

Freelance Medior AWS Engineer needed to build, maintain, and improve AWS solutions. Responsibilities include automating infrastructure, monitoring services, and ensuring environment reliability. Requires several years of hands-on AWS experience.

Design, deploy, and operate secure, scalable Azure cloud infrastructure. Automate processes, manage environments, and ensure operational excellence across development and production.

Software Engineer in Marketplace Technology EMEA. Design, build, and maintain solutions improving business operations and system interaction. Requires 3+ years experience across multiple systems, end-to-end design, and leveraging AI in development.

Senior Enterprise Account Executive drives new SaaS license revenue through account and territory planning. This role develops C-suite relationships, advises on IT roadmaps, and requires 10+ years of software sales experience, including AI integration knowledge.

The Bell Captain manages Welcome Ambassadors, ensuring extraordinary guest service. Responsibilities include scheduling, security tasks, luggage handling, and providing hotel information.

Senior Full Stack Engineer to build scalable payment infrastructure for a major digital application. Own the full lifecycle, developing cloud-native solutions using TypeScript, Node.js, React, and Java/Spring Boot on AWS.

Manager NFR Intelligence strengthens sourcing with fact-based analysis and actionable insights. Responsibilities include market/supplier intelligence, value chain analysis, should cost modeling, and knowledge management. Requires a Master's degree and 3+ years of relevant experience.

Customer Project Officer ensures business continuity by owning customer operational processes across Sales, Supply Chain, and Collaboration. Responsibilities include monitoring KPIs, managing requests, and standardizing processes. Requires experience in related fields and strong organizational skills.

All-Round Maintenance Technician responsible for maintaining and improving production equipment. Duties include preventive maintenance, diagnosing mechanical/electrical faults, and supporting automation projects. Requires a solid technical foundation.