qa English-speaking jobs in Leidschendam

Investment Banking Off Cycle Intern will assist in deal execution, prepare marketing materials, conduct research, and build financial models.

The Partnerships Intern supports the partnerships team in maximizing relationships with over 350 partners. Responsibilities include managing auction processes, tracking partnership performance, and collaborating with internal departments. The ideal candidate is a highly driven communicator with a strong commercial acumen and an interest in sports business.

Develop next-generation computational methods and infrastructure for molecular simulation. Train, fine-tune, and distill machine learning force fields. Integrate models into high-performance simulators and design training and inference architectures. Collaborate with computational chemists on data generation and validation.

This role acts as a liaison between Microsoft stakeholders and internal marketing teams (Event, Commercial, Social, and Data & Insights). The Project Execution Lead supports marketers in developing integrated marketing plans, advises on program processes and tools, and coordinates execution across multiple disciplines.

Senior Auditor to verify management systems in the food industry. Expertly examine and assess the implementation of management systems for clients. Contribute to the improvement of a client's food management system and provide excellent service.

Assemble complex packaging constructions from technical drawings and specifications. Requires experience with hand tools, assembly, and reading technical drawings. Must be comfortable working in a production environment with noise and dust.

As a Sales Development Executive, you will be responsible for identifying and qualifying leads in international markets, building relationships with potential customers, and scheduling meetings for the sales team. You will document customer interactions and ensure alignment with sales and customer success colleagues. Fluency in English and German or French is required, along with experience in inside sales, customer success, or account management.

Design, train, validate, and optimize machine learning and computer vision models. Integrate models into production systems and monitor performance.

Leads medium-to-large projects across business domains, ensuring on-time, on-budget delivery and alignment with strategic objectives. Translates business needs into project objectives and deliverables, manages cross-functional teams, and presents project updates to stakeholders. Requires 5-10 years of experience in a consulting or project environment, strong project management skills, and excellent communication abilities.

Maintain, organize, and clean rentals and common areas. Manage cleaning supplies and report maintenance needs.

Senior QA Engineer to design, build, and maintain test suites at all levels. Experience with Cypress, Playwright, JUnit, TestNG, REST Assured, and Pact required. Solid understanding of frontend and backend systems, cloud environments, and CI/CD tools.

Provides administrative support to the finance team, managing customer and supplier account processes, including setup, invoice processing, and data updates. Requires proficiency in IT, Excel, and strong communication and organizational skills.

As an Agile Transformation Intern, you will design and develop a data-driven Agile maturity measurement system for engineering teams. You will redesign the Agile maturity framework, create questionnaires, and build dashboards to visualize insights and provide actionable recommendations.

Account Executive will focus on acquiring new clients by presenting FareHarbor's products and services. Responsibilities include qualifying leads, closing deals, and providing product demonstrations. Must have proven sales experience, preferably in a SaaS business, and be fluent in English and Dutch.

Europe Amazon Lead drives commercial execution and marketplace excellence across European Amazon marketplaces for Prestige Beauty brands. This role ensures exceptional quality, consistency, and impact within Amazon's ecosystem. Responsibilities include commercial planning, performance optimization, content management, retail media strategy, and operational coordination. Requires 10+ years in eCommerce, 5+ years Amazon management experience in Europe, and experience in Beauty, Luxury, or Premium Consumer Goods.

ServiceNow Developer to join the Core Applications team, responsible for a set of applications used throughout PwC's Dutch IT organization. Will manage and develop ServiceNow, act as the second line of contact for requests and incidents, and integrate new functionalities into the IT landscape.

Supply Chain Specialist to manage order books, ensure delivery performance, and optimize the order fulfillment process. Collaborate with partners and internal teams to achieve financial targets and drive continuous process improvements. Requires 5+ years of experience in supply chain planning and operations within a consumer-focused retail/fashion environment.

Senior Backend Developer shapes how a team works, raises quality standards, and defines engineering direction. Responsibilities include building and maintaining APIs, defining Service Level Objectives, and supporting teams with documentation and architectural design. The role requires experience with part of the tech stack (React, TypeScript, Nest.js, Prisma, Postgres, Redis, Azure) and the ability to manage risk and take ownership.

Provides administrative and financial support to IT management, including project portfolio tracking, budget control, and contract management. Prepares reports, maintains IT records, and supports communications.

Production Foreman needed for egg breaker department. Lead and participate in production, monitor processes, and support team members. Previous production experience, technical knowledge, and HACCP/food safety knowledge required.