qa English-speaking jobs in Leidschendam

Account Manager maintains strong customer relationships in recycling, government, and industry. Responsibilities include building networks, advising clients on metal processing, and driving sales growth. Requires MBO/HBO in a commercial direction and 2+ years of relevant experience.

Seeking Head of Strategy and Operations to drive strategic planning, governance, and execution. This role involves evolving management models and acting as Chief of Staff to C-level stakeholders in a high-growth platform.

Office Lead & Events Host manages the The Hague office operations, including daily upkeep, guest welcoming, and event coordination. Requires experience in office management or hospitality, initiative, and fluency in Dutch and English.

Build trusted data foundations for marketing dashboards and AI products. Design dbt models, define metrics, and develop AI agents to help leaders make informed decisions. Requires 3+ years in data/analytics with strong SQL and Python.

Intern supporting the Revenue Management team to optimize flight and accommodation pricing. Tasks include analysis, price comparisons, and supporting sales priorities. Requires good English and a proactive, meticulous approach.

The 180 Delivery Consultant sources, engages, and qualifies top candidates in Finance or IT. Responsibilities include CRM documentation and participating in team strategy meetings. A Bachelor's degree and English fluency are required.

Style Advisor Weekendhulp helps customers find outfits by offering tailored styling advice and expert product knowledge. This role requires a customer-oriented, enthusiastic individual fluent in Dutch and English.

Junior Project Coordinator to support international clinical study teams. Responsibilities include administrative support, maintaining study documentation, and tracking progress. Requires 3+ years of relevant experience and strong English skills.

This internship/graduation project explores using autonomous AI agents for end-to-end software migration. You will research, design, and build a proof-of-concept agentic migration system for a real-world module. Strong programming skills in C#, Java, or Python are required.

Serve as a trusted solution advisor in the sales cycle, designing compelling solutions using IFS Industrial AI for project-based businesses. This customer-facing role requires demonstrating industry thought leadership and technical expertise.

Enterprise Planner manages customer portfolio demand and develops production plans. This role involves collaborating across departments to ensure timely, high-quality delivery and maintaining customer communication. Requires strong analytical and communication skills.

Picnic seeks part-time or full-time Delivery Drivers. Duties include loading vans, delivering to 15-18 addresses per shift, and assisting customers. Requires a valid Category B license, age 18+, and a customer-oriented attitude.

Technical Operator role involves operating and monitoring automated production equipment. Responsibilities include troubleshooting, line set-ups, and data recording in SAP/MES within regulated environments. Requires 3+ years in manufacturing with technical aptitude.

Support new business development by handling quotations, tenders, and lead qualification. Requires 2+ years in freight forwarding, strong communication, and fluency in Dutch and English.

Develop features for the INSO Portal, focusing on reliability and security. Requires 3+ years of experience with Java (Spring), Angular, and relational databases. Own systems from design to maintenance.

Allround CNC Machinist responsible for setting up, operating, and optimizing CNC machines to manufacture high-quality components meeting exact specifications. Duties include machining operations, quality inspections, and troubleshooting production issues.

Project Manager to run brand and website projects from kick-off to launch. You create plans, guard scope and budget, and manage multidisciplinary teams. Requires 3+ years in agency project management.

Senior Data Engineer to build production-grade Data & AI platforms. Design, build, and operate scalable data pipelines, databases, and cloud-native components on AWS. Enable MLOps and AI governance for reliable production services.

Build software solutions for R&D to analyze experimental, phenotypic, and genotypic data. Requires strong software engineering, applied AI, and Python skills, with experience in production systems and cloud environments.

Warehouse Employee role involves sorting, checking, loading, and moving parcels using an electric pallet truck. Requires accuracy, ability to work independently, and willingness to work in a 5-shift system.