qa English-speaking jobs in Leidschendam

Biomedical R&D Engineer contributes to the verification and validation of new sensor systems and algorithms for healthcare applications. Activities include data collection studies, data analysis, algorithm development, and supporting larger research projects. Requires a minimum of a MSc in biomedical engineering or a related field, experience with data analysis, and proficiency in Python.

Elephants in the Room seeks a hands-on CTO to design, build, and scale an AI-powered employee insights platform. The CTO will write code, lead architecture decisions, and manage the technical team.

Manage day-to-day laboratory operations, ensuring equipment reliability, inventory control, and safety standards. Troubleshoot issues and occasionally support laboratory tasks.

Graphic Design or Motion Design internship at SuperHeroes in Amsterdam. Must have strong Adobe Suite and motion skills, a creative mind, and be an enthusiastic learner.

Provide counseling to adults who have completed online mental health screenings. Treat clients with benefits ranging from short-term goal-focused EAP to employer health plans. Maintain a calendar displaying availability and complete session documentation. Use evidence-based treatment modalities tailored to client needs. Collaborate with provider support, clinical care navigation, and administrative care support teams.

Project Manager for a market leader in consumer electronics, focusing on loyalty tech, promotion processes, and community initiatives. Coordinate projects to improve the customer journey and enhance customer satisfaction. Manage stakeholders, inject CX/UX knowledge into loyalty platforms, and collaborate with the platform team.

The WTS Foundation seeks a Partnerships & Funding Associate to research and identify grant opportunities, draft proposals, and manage funding pipelines. The role requires strong writing, research, and coordination skills, with a focus on international development and renewable energy. Fluency in English is essential.

Data Platform Engineer to build, enhance, and maintain a cloud-based data platform using Azure and Databricks. Collaborate with engineers and stakeholders to design and deliver data-driven solutions. Requires 2-5 years of experience with Azure, Databricks, Terraform, Python, SQL, and CI/CD pipelines.

Accounts Receivable Specialist needed for a leading global manufacturer. Manage the accounts receivable ledger, including invoicing, collections, and period close. Collaborate with internal and external stakeholders. 2-5 years of experience in accounts receivable or a comparable finance role required.

Develop and maintain high-performance trading applications using C# and .NET. Build and integrate real-time communication solutions using FIX protocol, WebSockets, and messaging systems. Design and implement scalable, low-latency architectures. Collaborate with international teams across multiple time zones.

Murex Front Office Business Analyst with expertise in Front Office processes and Securities Financing asset classes. Will translate business requirements into functional specifications for Murex implementation and support trade lifecycle management.

Wipro seeks an Integration Architect to design and implement solutions for complex digital transformation needs. The role requires strong communication, planning, and coordination skills, and experience working with senior technical staff and IT management. Familiarity with Netcracker, .net, and mobile telecommunications is desirable.

Leads the creation and execution of data-driven media strategies to deliver business growth for clients. Shapes campaign direction by leveraging market dynamics, consumer behavior, and cross-functional collaboration. Oversees strategic planning, incorporating market research and consumer insights.

Technical Author with S1000D expertise needed for defense and naval systems documentation. Create and update user manuals and maintenance documentation in S1000D/XML format. Collaborate with internal departments to gather technical data and ensure documentation accuracy. Must have a Bachelor's or Master's degree in engineering and 3+ years of technical authoring experience. Dutch security clearance required.

NDT Inspector to perform inspections and testing on drill stem elements and OCTG materials. Ensures compliance with API, DS-1, and NS-2 standards. Prepares inspection reports and collaborates with internal departments. Requires NS-EN ISO 9712 Level II certification (MT, PT, UT) and 1-3 years of relevant experience.

The Facilities Technical & Emergency Response Administrator supports operational continuity by managing communication systems, emergency response tools, and technical infrastructure. Responsibilities include operating and maintaining emergency response systems, administering site access control, overseeing energy monitoring, and providing technical support for audio visual equipment.

You will formulate and implement the category strategy for sweeteners, gluten, starches, hydrocolloid. You will plan, optimize and coordinate cross-functional purchasing for these categories, develop suppliers and drive innovation for the group. This requires intensive communication and collaboration with a large number of stakeholders.

Full-time internship for Master's students at Dutch universities. Develop a discrete event simulation model for alternative fuel bunkering operations at a general cargo terminal. Requires proficiency in C# programming.

Volare Vitae seeks a Ticketing / Airfare Specialist to manage airline bookings and ticketing operations. The role requires expertise in GDS, fare rules, and airline policies. Responsibilities include issuing, reissuing, and amending tickets, handling fare calculations, and managing complex itineraries.

AnalytiChem Group seeks an Inside Sales Representative to build and manage customer relationships and grow sales in Europe. The role involves supporting quote follow-ups, lead generation, and regional sales strategy.