assistant English-speaking jobs in Leeuwarden

Java Software Developer needed for the world's leading motorsport results platform, Speedhive. Develop backend services for web, iOS, and Android apps using Java/Springboot. 4+ years of Java experience required, .NET/C# a plus.

Leads the development, optimization, and scaling of global fiat and crypto payment infrastructure. Oversees banking partnerships, PSP relationships, on and off ramp solutions, and regulatory alignment across the EU and international markets.

Support senior chefs in a fast-paced kitchen environment. Assist with food preparation, plating, and maintaining kitchen cleanliness.

Administrative Assistant providing support to office operations, payroll processing, fleet management, and communication with suppliers. Requires fluency in Dutch and English, previous administrative experience, and proficiency in MS Office.

Senior Corporate Planning Manager needed to develop and execute EMEA business plans, track performance metrics, and support strategic planning cycles. Must have a Master's degree, 7-10 years of experience in business planning, fluency in English and Japanese, and strong analytical and communication skills.

Define, validate, and safeguard contamination-control requirements for high-precision systems. Lead functional qualification activities and own root-cause analyses for contamination-related issues. Develop and maintain design rules, test methods, and verification techniques for ultra-clean systems.

Experienced IT Security Service & Project Manager to support cybersecurity initiatives in IT and OT environments. Lead project delivery, manage security solutions, and own selected security services.

As a B2B Account Executive, you will focus on acquiring new customers and developing existing relationships across Europe. You will lead sales conversations, manage the full sales cycle, and collaborate with marketing and product teams.

Designs, develops, and tests on-device streaming speech AI models. Keeps track of state-of-the-art speech technology research. Strategizes the Whispp product development and AI technology roadmap. Identifies and establishes strategic partnerships.

On-site Data Center Technician needed for a global IaaS hosting platform. Provide hands-on support for maintaining and troubleshooting network and server equipment. Execute hardware installations, upgrades, and replacements. Diagnose and resolve server hardware issues. Manage tasks using a support ticketing system.

Supply Chain Senior Specialist will manage incoming and outgoing goods flows for SDLG's European operations, ensuring timely delivery of machines and parts. Responsibilities include coordinating with carriers, logistics partners, and colleagues, monitoring timelines, and identifying process bottlenecks.

Experienced Site Supervisor needed for international data center projects. Oversee electrical installation of power distribution, smart grid, and energy automation systems. Lead on-site operations, coordinate teams, and ensure project delivery on time and within budget.

Integration Developer will design and build integration pipelines using tools like Boomi and SAP Integration Suite. Responsibilities include developing APIs, implementing MDM solutions, and collaborating with data developers. Experience with application integration platforms, master data management, and scripting languages is required.

The Language Assistant will transcribe, translate, and interpret between Ukrainian, Russian, and English. The role requires six years of relevant experience and proficiency in all three languages.

E-commerce Operations Manager needed to own supply chain, fulfillment, and operational infrastructure for a fast-growing European baby clothing brand. Manage 3PL relationships, supplier coordination, stock planning, and customer service. Lead operational projects and drive continuous improvement. Requires 5+ years experience in DTC brands or consulting with experience in fulfillment, logistics, and supplier management.

Senior Lab Technician will perform material fabrication and characterization experiments, develop and validate test methods, and analyze experimental data. Requires a Bachelor's degree in a relevant field and 3-5 years of laboratory experience.

Job Description Within Membrane Surface Science (MSuS), part of the Department of Membrane Science & Technology (MST, ), and Advanced Organ Bio-engineering and Therapeutics (AOT), both of the University of Twente, the Netherlands, we have a vacancy for a PhD student. The project will focus on the production and characterization of a functional membranes, e. g.

Revolut seeks an FX Forwards Product Sales Executive to build and close a sales pipeline for FX derivatives. The role requires fluency in Dutch and English, experience selling FX forward products, and demonstrable commercial experience, particularly in telesales.

Senior Data Scientist will develop and improve transaction monitoring models to detect financial crime. Responsibilities include building rule-based models, extracting insights from large datasets, and ensuring robust production deployment. Requires a Master's or PhD in a relevant field, 5+ years of experience in advanced analytics, strong Python and PySpark skills, and experience deploying models to production.

Project Planner accountable for planning activities across pre-construction, construction, and commissioning phases. Develops and manages project programmes, tracks progress, and prepares reports. Requires 5+ years experience in large-scale construction projects, proficiency in Oracle P6 and Excel, and strong communication skills.