qa English-speaking jobs in Leidschendam

Lead the development and maintenance of the ML platform powering deep learning research and trading strategies. Own end-to-end performance of large-scale model training and shape the technical agenda of the team. Hire, motivate, and develop engineers across diverse profiles. Partner closely with researchers to ensure platform usability and research workflow efficiency.

As an Application Consultant, you will design, implement, and support the Maximo solution used within Vanderlande's service departments. You will translate business requirements into functional and technical specifications, configure and customize Maximo, and guide implementation partners.

This internship supports the European Central Marketing team in an international environment. Tasks include collaborating with designers, managing marketing material transcreation, and providing support to the DAM systems manager.

Senior Full-Stack Engineer will design and implement features across the entire stack for a platform orchestrating hybrid and all-electric heat pumps, cooling, and home batteries. Responsibilities include building and evolving the backend, working on the telemetry pipeline, designing APIs, and contributing to internal and customer-facing applications.

As Business (Commercial) Controller, you will drive and challenge commercial performance by identifying opportunities, risks, and actions related to sales, margin, Goods Income, and profitability. You will act as a financial business partner for Category Management and Commercial Leadership, influencing decision-making through fact-based insights and commercial challenge.

This role is part of our People & Culture Circle and combines hands-on recruitment with building a better hiring experience. You'll own the full hiring journey across Data, AI, Product and Commercial roles, partnering with hiring managers and helping us attract, hire and onboard great people.

Production Worker needed for a company specializing in custom-made packaging solutions. Tasks include producing wooden crates and industrial packaging from technical drawings, using hand and power tools. Must have technical insight, ability to read drawings, and good Dutch/English.

The Client Service Specialist - Energy provides top-notch support to clients, acting as the first point of contact and resolving inquiries, complaints, and issues. This role requires strong communication, problem-solving, and customer service skills, as well as proficiency in customer support software and tools. The ideal candidate will have a minimum of 3+ years of experience in a customer support role, ideally within freight forwarding, and possess a VGB Certification.

Shape Swisscom's security promise by designing and implementing IAM solutions using Ping Identity platforms. You'll leverage your expertise in cloud-native technologies, JVM programming, and identity management solutions to contribute to a DevOps team operating in an agile environment.

Outside Sales Executive for a high-growth company. 80% field presence required, identifying, qualifying, and closing high-value accounts independently. Proven track record of exceeding sales targets essential.

This role focuses on building and implementing a global recruitment approach for Radio Holland, combining hands-on recruitment with employer branding, sourcing, and talent pipeline development. The specialist will lead recruitment for critical roles, build talent pools, and improve hiring capability across regions.

Recolo is hiring part-time chefs for daytime corporate catering in Amsterdam. Flexible schedule, no evenings or weekends. Competitive pay (€18.41/hr). Previous kitchen experience required.

Medior Backend Software Engineer to join a cross-functional agile team in Amsterdam. 3+ years of experience in backend development with Java or Kotlin and Spring Boot required. Experience with microservices architecture, API design, and databases is essential.

Coordinates high-volume interviews, manages the Applicant Tracking System, and assists with candidate pipeline management. Supports end-to-end recruitment activities and creates engaging content for social media. Requires 1+ year of coordination experience, strong communication skills, and proficiency with ATS systems.

This FP&A Analyst role supports the FP&A Director for Professional Haircare, contributing to global management reporting, business planning, and commercial insight. The role involves preparing budgets and forecasts, analyzing variances, and providing guidance to budget holders.

The Sales Engineer drives sales within the Netherlands territory for Mastercam. Responsibilities include developing sales leads, providing technical solutions, and meeting sales revenue targets. The role requires 3-5 years of successful technical sales experience and fluency in Dutch and English.

The Discipline Engineer Mechanical – Rotating Equipment provides technical expertise for rotating and static mechanical equipment at the Pernis plant. Responsibilities include ensuring compliance with standards, leading root cause analyses, developing maintenance strategies, and supporting capital projects.

Warehouse Employee needed for CEVA Logistics in Nieuwegein. Tasks include order picking, packing, scanning, loading/unloading, and data processing. Training provided for electric pallet truck operation. Must have good English skills and own transportation.

Otoqi seeks self-employed drivers (ZZP) for flexible car sharing services in Amsterdam. Drivers will manage vehicles, including pick-up, recharging, maintenance, and relocation. Must have a valid driving license (Category B) for at least 3 years, experience as a driver, and strong problem-solving skills.

International Development Instructor program offers 10-month opportunity to contribute to sustainable development projects in Malawi, Zambia, or India. Program includes 3 months of training in Denmark, 6 months of project work, and 1 month of reflection. Must be over 18, comfortable speaking English, and able to reside in Denmark.