qa English-speaking jobs in Leidschendam

Working in a small friendly team as a Production Operative (Temporary), 40 hours p/week until 22nd December 2026. Position to be reviewed end of year depending on key account orders.

Build multi-agent systems and develop end-to-end AI projects, including RAG pipelines. Requires a CS/AI degree, strong Python skills, and experience with LLMs and prompt engineering. Dutch fluency is required.

Sales Support Administrator to be the direct contact for the field sales team. Responsibilities include processing orders, monitoring inventory, and responding to inquiries regarding status, pricing, and availability.

Join a product team to maintain and improve data pipelines for a SaaS platform in the air cargo industry. You will onboard clients, extend tool functionality, and work in a scrum team.

As HRIS Business Solution Lead - HCM, you will be the functional expert for Core HCM in Workday. You will define end-to-end needs, lead solution design workshops, and maintain functional knowledge of Hire, Change, Terminate, Compensation & Benefits.

Online Data Analyst reviews and evaluates map, location, business, and search information using Dutch and English knowledge. This remote, flexible role requires in-depth knowledge of the Netherlands and regular participation when tasks are available.

Project Utilities Engineer to be the technical owner for utility systems on a large-scale strategic project. Responsibilities span design, installation, commissioning, and handover, ensuring compliance with standards. Requires 3-6 years in utility engineering.

Technical Sales Manager needed with 5-10 years in international B2B sales, ideally in machinebuilding or food. Requires a technical/business degree and strong communication skills in Dutch, English, and another language.

Frontend Code Evaluator assesses candidate replications against a reference page, judging layout fidelity, typography, and markup using devtools. Requires 3+ years of frontend experience, HTML/CSS fluency, and strong written English.

Mechanical Engineer needed for a precision equipment manufacturer in the semiconductor industry. Requires 6+ years in high-tech precision engineering, experience in mechanical design and FEA, and proficiency in design software.

Production Operator responsible for operating, setting, and monitoring extrusion lines. Duties include quality checks, process monitoring, and resolving minor malfunctions to ensure safe and efficient production. Requires technical insight and an independent working attitude.

Plan and manage complex national and international logistics projects for entertainment tours. Create schedules, coordinate crew, vehicles, and resources, and resolve operational bottlenecks. Requires 2+ years in entertainment or transport.

Product Manager develops programs to drive business performance across the product life cycle. This role involves monitoring portfolios, coordinating launches, and optimizing marketing plans while collaborating with R&D.

Software Engineer role requiring expertise in Linux, MySQL, and Java, C#, or C++. Responsibilities include software design, development ownership, and customer interaction. Strong fluency in English and Chinese is required.

Office Administrator to maintain smooth Amsterdam operations. Responsibilities include managing office appearance, vendor relations, employee support, and safety compliance. Requires 2+ years admin experience and fluency in Dutch and English.

Maintenance Engineer keeps critical production equipment safe and reliable in a high-tech cleanroom. Responsibilities include preventive/corrective maintenance, root cause analysis, and managing documentation. Requires an engineering degree and troubleshooting experience.

Display Technology Engineer needed to develop and integrate next-generation display solutions. Responsibilities include exploring TFT, OLED, and touch technologies, and driving innovation from concept to product introduction. A relevant engineering degree is required.

Support the Technical Manager in operational and technical delivery for PacketData and VoLTE-Control projects. This role involves technical coordination, stakeholder management, and governance across mobile data and core service platforms.

The LSA role provides direct support to students with additional needs, including language, literacy, and social communication challenges, within the classroom and withdrawal sessions. Candidates need experience supporting students aged 11-18.

As a National Account Executive at UPS Healthcare, build customer relationships and develop tailored solutions for the healthcare supply chain. Manage key accounts, track revenue, and present UPS services. Requires 2+ years in complex sales.