qa English-speaking jobs in Leidschendam

As Product Owner for BauWatch CheckIn and the Worker App, you will define the roadmap for the Worker platform, drive commercial success, and ensure seamless integration with physical access hardware. You will manage the full product lifecycle, from gathering business requirements to launch and optimization.

The Amstel Hotel seeks a Health Club Supervisor to lead a team, ensure exceptional guest service, and maintain high cleanliness standards. The ideal candidate has supervisory experience, a passion for luxury hospitality, and excellent communication skills. Previous experience in a 4- or 5-star hotel is preferred.

Support the European Food Safety and Quality department for external factories and suppliers. Focus areas include SCQM (Supply Chain Quality Management) and agile developments with the NG (New Growth) team.

SAP SuccessFactors Employee Central Analyst will analyze business requirements, configure and support SAP SuccessFactors Employee Central solutions, and collaborate with stakeholders. Requires 6+ years of experience in SAP SuccessFactors Employee Central implementations, support, or enhancement projects.

Senior Data Engineer specializing in Apache NiFi to design, develop, and maintain data pipelines for data ingestion, transformation, and processing. Experience with cloud platforms, big data technologies, and SQL/NoSQL databases required. Must be Europe-based.

System Engineer to join a high-tech team working on complex systems for the international space sector. You will translate customer needs into feasible technical solutions, coordinating across hardware, firmware, software, and test equipment. Requires a B.Sc. or higher in a relevant technical field and at least 2 years of experience in system engineering, embedded systems, or a related high-tech environment.

Operations Support Assistant will verify, match, and book invoices, ensuring timely approvals and resolving discrepancies. The role involves monitoring vendor accounts payable, supporting business partners with invoice inquiries, and performing ad hoc finance or administrative tasks.

Deliver groceries efficiently using e-bikes or e-scooters, ensuring timely and reliable service. Represent Flink, providing exceptional customer experiences.

Senior Sales Executive to drive sales growth for large e-commerce accounts in the UK, Denmark, and Sweden. Full sales cycle ownership, solution-selling approach, and cross-border collaboration required. Must have several years of B2B sales experience, proven track record of exceeding targets, and fluency in English.

Freelance Product Owner to define and drive product vision for a global fashion and lifestyle company's e-commerce platform. Collaborate with cross-functional teams to deliver improvements, optimize conversion rates, and enhance customer experience.

Join our international housekeeping team at Ambassador City Centre Hotel Haarlem. You will clean and prepare hotel rooms, making beds, changing linen, and ensuring high standards.

Leads and develops on-site maintenance operations across multiple customer locations. Manages maintenance teams, optimizes resource allocation, and ensures high-level service delivery.

Provides Service Management & Service Delivery support for the NATO Communications and Information Agency (NCIA) Land & Air Business Unit. Tracks financial status, resource management, and project timelines using NCIA tools. Delivers monthly reports on project status, financial performance, and continuous improvement opportunities. Fosters strategic partnerships and manages customer relationships. Requires proven experience in Service Management, Customer Relationship Management, and NATO environments. Must possess strong communication skills and proficiency in relevant NCIA tools and methodologies.

The Commercial Operations Director leads and continuously improves the Global Integrated Business Planning process for the Europe, Africa, Asia Pacific division. This role develops and implements commercial capabilities across EAA markets, partnering with Sales, Supply Chain, Marketing, Global Production, and Finance.

Leads the Banking & Accounts Payable team, overseeing cash management, bank relationships, and vendor invoice processing. Ensures compliance with internal controls and payment policies. Drives process optimization and automation.

Forward Deployed AI Engineer needed to bridge the gap between sales and technical needs. Design custom AI solutions, ensure successful implementation on the Lleverage platform, and improve quality metrics.

As a Data Analyst, you will measure campaign performance, analyze ROI, and translate findings into business insights. You will build and maintain Power BI reports, develop data pipelines, and contribute to the evolution of AI-served tools.

Machine Learning Engineer with 5+ years experience building ML/AI solutions in Python. Designs, develops, and maintains end-to-end AI/ML pipelines. Strong track record in model evaluation and performance measurement. Experience with AI agent backends and TypeScript frameworks.

Support commercial and marketing functions for two tech ventures, Joble and MyHives. Responsibilities include pipeline development, content creation, social media management, and reporting. Fluent in Dutch and English required. Previous sales, marketing, or commercial experience necessary.

Head of Marketing & Growth Strategy will lead the marketing team (8 FTE) and develop the overall marketing strategy for Making Waves, an events organization. The role requires 7+ years of marketing experience, proven team leadership, and a data-driven approach.