qa English-speaking jobs in Leidschendam

As a Danish-speaking Sales Representative, you will acquire new clients, build partnerships, and onboard partners to a digital platform in the home improvement sector. You will work towards ambitious sales targets in a fast-paced, results-driven team.

Lead construction management for a complex semiconductor manufacturing facility. Oversee schedule, cost, quality, and HSE performance. Lead multidisciplinary teams and subcontractors. Ensure compliance with local regulations.

The Global Programmatic Campaign Manager implements and optimizes programmatic campaigns across Display, Online Video, YouTube, CTV, and BVOD. This client-facing role requires collaboration with internal and external stakeholders across multiple regions. Responsibilities include campaign setup, optimization, reporting, and quality assurance.

Supports Visa's Government Affairs activity in the Netherlands and contributes to the execution of Visa's Europe Government Affairs strategy. Collaborates with Dutch business, Central Europe colleagues, and Government Affairs teams to engage with stakeholders, analyze policy, and advocate for a favorable operating environment.

Computational postdoc to study context-dependent protein interactions using genomics and proteomics datasets. Integrate quantitative NGS and mass spectrometry data to analyze and model protein binding to DNA, chromatin, and proteins involved in cell-cell interactions. PhD in biomedical sciences with experience in computational biology, predictive modeling, and genomics/proteomics data analysis required.

Drive commercial performance and exceed revenue targets for Locke & Cove properties in Amsterdam and The Hague. Lead a balanced approach to revenue generation, combining account management and new business development. Implement sales strategies, manage client relationships, and provide market insights.

Skilled working foreman needed for diverse construction projects. Lead teams, coordinate with planners and managers, and ensure quality workmanship.

Inspect high-quality, single-piece components in a high-tech production environment. Experience with NDT techniques (FPI, Eddy Current, X-ray, Ultrasonic) and processes such as EDM, laser drilling, plasma coatings, and heat treatments is required. Must have a VMBO or MBO-level education and a Level 2 certification in one or more NDT techniques.

Wärtsilä seeks a CNC Operator for its Kruiningen workshop. Responsibilities include machining components, setup and maintenance of machine tools, quality control, and using various equipment. Experience with metalworking machinery and manufacturing standards is preferred. Training is available for less experienced candidates.

Safety Advisor (Occupational Health Specialist) needed to develop and implement HSE policies, assess working conditions, and drive safety standards within an international aerospace company.

As a P&C Business Partner, you will provide HR support to managers and employees, including recruitment, training, and absenteeism management. You will also contribute to P&C projects and organizational development initiatives.

Paid, full-time internship starting September 2026. Create and manage social media content, including TikTok, Instagram Reels, and LinkedIn posts. Collaborate with the Social Media & Content Manager and Marketing team. Must be currently enrolled in a Bachelor's or Master's program, fluent in English, and have knowledge of Microsoft tools.

Senior Solution Engineer will collaborate with sales teams to design and architect Acronis platform solutions. Responsibilities include conducting demos, analyzing business requirements, and managing strategic accounts. Requires 5+ years of experience in a relevant role, cloud-based applications, backup/disaster recovery, and security experience. Must possess strong communication and problem-solving skills.

As a Customer Success Manager, you will manage a portfolio of customer accounts, ensuring satisfaction and revenue growth. You will identify customer challenges and opportunities, build strong relationships, and collaborate with internal teams.

Senior Consultant Manufacturing Excellence will drive transformative projects to improve clients' business performance. Focus is on optimizing manufacturing and warehousing operations, including process redesign, plant improvements, and digital transformation. Requires 3+ years of experience in manufacturing/warehousing operational excellence transformation, a Master's degree in operations management or a related field, and fluency in English and at least one other European language.

Junior International Accountant needed for accurate financial recording, journal entries, tax return assistance, and operational issue review. Collaborates with the Finance Team, International Accounting Coordinator, and hotel operations. Requires a diploma in Business Studies, 1+ year accounting experience, SAP ERP knowledge, and high English proficiency. Must reside in Amsterdam, Rotterdam, or surrounding area with EU nationality or Dutch work permit.

Freelance SEO Specialist to execute technical, on-page, and off-page SEO strategies for e-commerce brands. Responsibilities include content creation using AI tools, technical SEO support, reporting, and collaboration. Must have 1-2 years of SEO experience, fluency in Dutch, strong English, and experience with AI tools like Claude.

Develop, manage, and optimize project schedules for complex engineering projects. Coordinate with engineering, procurement, construction, and project management teams. Monitor progress, identify risks, and implement corrective actions. Prepare progress reports, schedule updates, and forecasts. Analyze project trends and provide planning insights.

Provide advisory services to financial institutions and clients on value-critical issues. Interpret regulations and recommend solutions. Collaborate with project teams across Europe.

The G-STAR Global Digital Marketing team seeks a Paid Social Intern to support global social media campaigns. Responsibilities include planning and publishing campaigns, setting up conversion campaigns, briefing display partners, tracking results, and analyzing data.