software English-speaking jobs in Leidschendam

Sr. Clinical Project Manager to coordinate clinical trials in Oncology, Neuroscience, or Immunology. Requires 5+ years in drug development and 3+ years in clinical trial project management, with ICH-GCP knowledge.

Serve as an operations specialist maintaining critical environment equipment like HVAC and mechanical systems. Perform maintenance, respond to incidents, and develop procedures using CMMS. Requires mission-critical services experience.

Allround Warehouse & Logistics Employee responsible for sorting, registering, and moving incoming and outbound goods. Requires physical ability to lift heavy items and availability for a two-shift system.

As a Superyacht Painter, you will apply high-quality paint systems to superyachts, ensuring stunning interior and exterior finishes. Responsibilities include spraying, priming, filling, and topcoating. Requires MBO level 3 or 4 in a relevant field.

Senior Operator to help start up a new pharmaceutical manufacturing facility. Contribute to process development, SOP implementation, and training colleagues in a collaborative environment. Experience in regulated manufacturing is valued.

Logistics Employee responsible for processing, sorting, and preparing parcels for shipment at a distribution center. Requires availability for morning shifts, accuracy, and proficiency in Dutch and/or English.

Results-driven PR Account Executive needed to manage and retain client accounts. Responsibilities include developing strategies, liaising with media, and preparing campaign reports. Requires PR experience and strong communication skills.

This 10-month Global Management Trainee Program develops future leaders through rotations in Sales, Supply, Logistics, Product, and Customer Service. Candidates must have a bachelor's or master's degree, demonstrate leadership, and be open to diverse business functions.

As MySQL Expert, you will ensure database performance, stability, and scalability across clusters. Responsibilities include query optimization, migrations, and evolving infrastructure. Requires 5+ years as a MySQL database engineer.

Fluent Dutch speaking Cyber Security Presales Consultant needed for a customer-facing role. Focus on technical presales, solution design, and customer engagement. Requires strong cybersecurity background and experience translating customer needs into technical solutions.

Own the analytical backbone of pricing and monetization for Travix's travel offering. Drive revenue and margin performance by analyzing demand, supply, and market data to create pricing actions.

Software Engineer to build intuitive web applications across the stack. Requires experience with React, Tailwind, or Symfony, and databases like MySQL or MongoDB. Must work in an Agile startup environment.

Enhance and maintain AI Solutions in enterprise applications to support Booking.com's operations. Own solutions end-to-end, advising on business challenges and applying AI to automate workflows. Requires practical experience with LLM applications and strong coding skills.

Junior Account Manager to join a dynamic executive team. Responsibilities include discovering new business, engaging potential clients, building client trust, and assisting with market research to boost company results. Requires fluency in English and Dutch.

Lead global Measurement Strategy & Customer Analytics, owning the vision and governance for data trust and customer journey visibility across Dyson's digital ecosystem. Requires expertise in Adobe Analytics, GA4, and attribution.

Accountant needed for German operations, supporting month-end/year-end close, reconciliations, and German VAT filings. Requires 3+ years of experience in German accounting (HGB) and German tax. Remote role in Europe.

Manage Patagonia's external voice across EMEA, overseeing PR, social media, events, and digital storytelling. Lead a team to ensure consistent, authentic brand expression while driving action on environmental issues.

Graduation Internship IT available for students in relevant fields. Assignments focus on performance testing, AI agents, real-time monitoring, ITSM optimization, or data-driven lead generation.

Working in a small friendly team as a Production Operative & Warehouse Assistant, 40 hours p/week, fulltime hours. For the right candidate, the position would turn permanent after 12 months.

Provide technical support for PV, energy storage, and EV charging solutions to customers and installers. Responsibilities include troubleshooting, commissioning support, and case documentation. Requires a state-certified electrician or equivalent qualification.