qa English-speaking jobs in Leidschendam

Prospectify seeks a driven Sales Development Representative for a fully remote role. This intensive position requires a strong mindset and the ability to make 80+ calls daily, focusing on cold outreach and securing qualified meetings. Fluency in German and English is essential.

BONO is seeking a Back-End Developer to maintain, improve, and extend their .NET platform. You will design and implement new features, work with Shopify APIs, and ensure scalability and reliability. Proven experience with .NET, REST APIs, and PostgreSQL is required.

Data Engineer with 8+ years of experience in BI/Data Platforms and 2+ years on AWS. Expertise in ETL pipelines, SQL, and Big Data ecosystems (S3, Redshift, Glue).

Sales Reporting Specialist will build and own foundational sales reporting across wholesale and e-commerce. This role consolidates data from multiple sources into clear, trusted reports and creates overviews on day-to-day trading performance, country, customer, and sales rep performance, and product, category, and range performance. The role also owns and continuously improves the weekly KPI deck, including net invoiced, open orders, bulk orders, and wholesale, e-commerce, and consignment alignment. The Sales Reporting Specialist will validate and reconcile inventory across systems, identify gaps and inconsistencies, and provide reliable inputs for Planning and Merchandising decisions.

Assembly & Service Operator needed for European operations. Assemble products, perform calibrations, and maintain a safe, organized workstation. Support service and logistics tasks. MBO-4 in Electromechanical Engineering or similar preferred.

Senior Demand Planner needed for international client in Breda. Analyze demand, prevent shortages, and ensure optimal inventory availability. Collaborate with commercial stakeholders, production partners, and global distribution teams. Minimum 3-5 years of supply chain planning experience required. Strong analytical and communication skills needed.

Senior Design Manager leads all design activity for a 10MW Data Centre Project – Phase 1, ensuring technical integrity and constructability. Accountable for end-to-end design, multidisciplinary coordination, and compliance with performance specifications. Drives BIM-led integration, commissioning-ready solutions, and client confidence.

Sempro, a leading supplier of semiconductor equipment, seeks a Business Development Manager to identify and acquire new customers in Asia. The role involves developing sales strategies, negotiating deals, and building relationships with customers in the semiconductor industry.

Experienced Security Engineer to join a growing team, focusing on incident management, vulnerability remediation, and DevSecOps. Requires hands-on experience with SAST, DAST, SIEM tools, and DevSecOps principles.

Manages materials and spare parts, coordinates with service teams, maintains inventory and ERP records, ensures compliance and safety, handles logistics and customs, and manages PPE and calibrated equipment. Supports site operations with purchase requests, waste handling, and organizational tasks.

MacOS Endpoint Security Engineer will design, build, and maintain a macOS agent for enterprise Mac fleets. Responsibilities include system configuration automation, security telemetry, threat detection, and secure agent communication. Requires 3+ years of macOS systems programming or security software experience, strong Swift, Objective-C, or Go skills, and deep knowledge of macOS internals.

Claims Specialist to manage transactional risk claims from notification to resolution. Responsibilities include coverage analysis, liability and quantum assessment, claims strategy development, and settlement discussions. Requires experience in W&I or transactional risk claims, M&A disputes, or complex financial lines claims.

Sales Assistant needed for MaxMara Utrecht - De Bijenkorf store. Provide excellent customer service, demonstrate brand knowledge, and achieve sales targets.

Senior Sales Engineer will lead customer-centric sales journeys for MX3D's M1/MX Metal AM Systems, a leading-edge robotic 3D metal printing platform. Responsibilities include building client relationships, evaluating requirements, crafting proposals, and representing MX3D at industry events. Requires a degree in Engineering, Business, or a related field, minimum 10 years of machine sales experience, preferably in energy, manufacturing, or high-tech, and an EU passport or valid Dutch work permit.

Marketing Intern to create and publish content for social media, newsletters, and campaigns. Design visuals and support influencer marketing, PR, and events.

The European Training Foundation (ETF) is seeking Migration and Labour Mobility experts for project-based assignments across Europe. Applicants must have a Master's degree or higher and relevant professional experience.

Senior Software Engineer will lead and contribute to the development of scalable software, design system architecture, and mentor other engineers. Requires a university degree in Computer Science or related field, solid software engineering experience, and strong communication skills.

Remote, contract-based analyst needed to monitor and analyze Dutch semiconductor policy, trade, and investment. Produce reports and briefings for government and industry stakeholders.

Detail piping engineer for high-end superyacht projects. Develop and deliver piping designs from engineering to construction drawings. Coordinate piping team activities and ensure designs meet production, class, and project requirements. 3+ years of experience in piping systems engineering, preferably in shipbuilding or yachtbuilding. CADMATIC experience and good English communication skills required.

Senior IAM Platform Engineer to implement, configure, and improve IAM platforms using automation. Responsibilities include designing and optimizing identity lifecycle workflows, application onboarding, and integrations. Requires senior-level experience in IAM engineering, IGA platforms (SailPoint preferred), and automation scripting.