qa English-speaking jobs in Leidschendam

Designs and develops agentic AI solutions, including RAG pipelines, multi-agent communication protocols, and agent-to-agent communication frameworks. Collaborates with Data Scientists, ML Engineers, and Product Teams. Requires experience with agentic frameworks (LangChain, CrewAI, Semantic Kernel, AutoGen), prompt engineering, LLMs, and cloud-based services (Azure).

Appier seeks a Sales Manager to drive revenue growth in EMEA. The role focuses on selling and upselling Appier's Ad Cloud solutions, particularly programmatic solutions for app user acquisition and retargeting campaigns. The ideal candidate has 5+ years of digital media sales experience, a strong understanding of mobile app advertising, and excellent communication and negotiation skills.

Senior Backend Engineer will design, build, and scale high-throughput, low-latency services for ad serving, targeting, and bidding. Responsibilities include optimizing for scale and speed, ensuring high availability, and driving technical excellence. Requires 5+ years of professional software development experience with a focus on building distributed, backend systems and direct experience in ad tech or retail media.

Quality Assurance Officer ensures product quality and compliance at external manufacturing partners. Manages complaints, supports batch release processes, and drives continuous improvement initiatives.

Product Manager II to lead the design and launch of AI-driven features for merchants. Will define product scope, manage the team's backlog, and collaborate with technical teams. Requires proven track record in product management for SaaS products at scale and expertise in product development life cycles.

Full Stack Engineer will build and scale real-time, data-driven services using Java, Spring Boot, React, TypeScript, and AWS. Responsibilities include developing microservices, designing APIs, and delivering responsive interfaces with live updates. Must have 4+ years of backend development experience with Java (preferably Java 11+), Spring Boot, and OpenAPI.

The Digital Director is responsible for prospecting and closing sales for GumGum's advertising platform. This individual will lead and develop key relationships with media agencies and advertisers in the Netherlands, driving value for clients through GumGum products.

Information Technology Specialist needed for on-site role in Rozenburg. Responsibilities include managing network infrastructure, troubleshooting technical issues, implementing network security, and providing technical support.

As Information Security Risk Manager, you will lead enterprise-wide risk identification and assessment, drive risk remediation, and ensure risk management is embedded in business decisions. You will own and maintain the Information Security Risk Register, define and maintain the organization's risk appetite, and provide risk insights to senior management and the board.

Area Sales Manager to manage and expand customer portfolio across the Netherlands and Belgium. Develop sales strategies, identify new business opportunities, and represent the company's service offerings. Requires 5-7 years of B2B sales experience, fluency in Dutch and English, and a proven track record in customer acquisition and business development.

Design and develop genAI models for transaction monitoring and KYC processes. Collaborate with business units and DFC analysts to enhance financial crime detection. Tailor data-driven models to evolving business needs and financial crime threats.

Clinical Sales Specialist for GYN Surgical Solutions in the Netherlands. Provides technical support, customer service, and sales development. Collaborates with sales representatives and conducts product training and presentations. Requires a postgraduate degree in Medical Ultrasound or related field and 1-3 years of clinical experience.

Manage a team of approximately 100 engineers developing space instruments. Lead, guide, and facilitate a high-performing engineering organization. Ensure engineering work is executed efficiently and consistently.

SOUS seeks two Junior or Medior Account Executives to drive new business growth in the single- and multi-outlet restaurant segment across Europe. Responsibilities include managing the sales funnel, building customer relationships, and contributing to the company's international expansion.

Project Engineer will manage and execute engineering projects from planning to implementation. Responsibilities include project design, coordination, execution, and ensuring compliance with technical specifications and safety standards.

Logistics Coordinator needed for offshore & shipbuilding projects. Manages transportation of goods, ensuring timely deliveries and cost-effective solutions. Requires 5-6 years of experience in international freight within the O&G/EPC sector.

As a Field Application Engineer, you will provide technical support to Transportation & Logistics customers across Europe, ensuring successful integration of Littelfuse solutions. You will collaborate with sales, product management, and engineering teams to drive design-in activities and build strong customer relationships.

Provides administrative and clerical support to professors and clinical staff. Handles correspondence, coordinates meetings and trips, assists with education and training, and organizes events.

European Brand Manager to lead PPE portfolio strategy, growth, and market assessment across Europe. Develop and execute marketing campaigns, manage product lifecycle, and collaborate with stakeholders. Requires 8+ years of experience in medical devices, marketing, or commercial roles with fluency in English.

Designs, develops, and deploys AI-driven solutions using Agentic AI frameworks and machine learning models. Develops predictive and prescriptive models for data-driven decision-making. Collaborates with teams to identify AI use cases and integrate models into production systems.