software English-speaking jobs in Leidschendam

Pre-Commissioning Manager needed for bio-refinery project in Rotterdam. Plan, coordinate, and execute pre-commissioning activities, ensuring alignment with project requirements and client expectations. Manage resources, supervise testing, and interface with stakeholders. Requires a degree in Mechanical Engineering, 10+ years of experience in pre-commissioning/commissioning, and fluency in English.

We are looking for a highly capable administrative professional to provide dedicated support to four senior executives. This is a demanding, high-visibility role that requires someone who operates with precision, discretion, and a consistently high standard of work.

As we continue to scale, we are looking for a Project Manager, who wants to drive real impact, taking products from concept to deployment. At Optics11, we build advanced sensing technology that helps protect what matters most, from critical offshore energy infrastructure to underwater security systems.

Manage a customer portfolio, acting as a key link between customers and internal departments. Responsibilities include managing the Order-to-Cash process, anticipating issues, and ensuring customer satisfaction.

This PhD position focuses on developing computational approaches for domain explanations to support citizens' decision-making within the DECIDE project. The research will involve Semantic Technologies, Artificial Intelligence, and citizen-empowerment scenarios.

Introductie Full-Time | Netherlands / Germany (Hybrid/ Remote) | Reports to CTAIO About Ignite Group Ignite Group is Europe's leading grant consulting firm – 300+ professionals, 15+ offices across the Netherlands and Germany. We're professionalising our IT landscape and need someone who can take ownership of our Microsoft 365 environment and make it work the way it should.

One day you are serving cocktails above the city, the next you are part of a buzzing restaurant or a large-scale event coming to life. If you enjoy variety, meeting different people and being part of moments that guests remember, this might be your kind of role. Join us as a Beverage & Food Waiter (part-time) at the Renaissance Amsterdam Hotel. What will you do?

Functieomschrijving As a System Engineer, you will serve as the technical backbone of our multidisciplinary development teams. You are the "bridge" between various engineering departments, ensuring that complex medical systems—specifically focused on Intense Pulse Light (IPL) technologies—are designed, integrated, and verified to the highest standards.

Childcare Host for TUI Kids Club, creating fun and engaging programs for children aged 0-12. Requires a recognized childcare qualification, fluency in English, and additional language skills (German, Dutch, French, Polish, Danish, Finnish, or Swedish).

We are looking for an Industrial Cost Analyst Support Officer (M3) to join our Akkodis Aerospace team, working onsite at the European Space Agency in the Netherlands. Akkodis has proudly supported the Aerospace & Defence industry in the Netherlands for decades.

About Hubby eSIM At Hubby eSIM, we are building a new layer within the travel industry. We work with airlines, tour operators, OTAs, and loyalty programs to integrate mobile connectivity directly into the travel experience — across 190+ countries. That’s the foundation. From there, we are building the systems that allow travel companies to engage with their customers during their trip.

Hands on Energy Systems Project Lead Schiphol-Rijk About BeeBeeOne At BeeBeeOne, we build and deliver modular energy systems that help companies become less dependent on the grid. Our solutions combine heat pumps, battery storage, thermal storage and smart control software. We don't just design systems — we actually build and install them on-site at our customers.

Drive global sales of electrochemical analyzers and detectors, managing accounts, expanding distribution, and identifying new markets. Collaborate with application scientists and technical teams to deliver solutions to customers worldwide.

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead.

LyondellBasell is a leader in the global chemical industry creating solutions for everyday sustainable living. With a nearly 70-year legacy that includes a Nobel Prize in Chemistry and our proprietary MoReTec recycling technology, LYB is enabling a more sustainable future for generations to come.

Drive growth and increase revenue within a customer portfolio as an Inside Sales Representative for the German market. Collaborate with the local commercial team and leverage your German language skills to identify customer needs and opportunities.

Are you a detail-oriented individual with a passion for research and a good understanding of national and local geography? This freelance opportunity allows you to work at your own pace and from the comfort of your own home.

Cleaning employee needed for full-time (38 hours) position. Duties include cleaning offices, restaurants, and business premises, vacuuming, mopping, and wiping surfaces. Must speak Dutch and/or English and have some cleaning experience.

Lead a team of HR Specialists ensuring accurate and compliant employee data administration across Dutch business units. Oversee daily operations, coach team members, and act as the expert contact for complex HR cases.

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you’ll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day.