75 English-speaking jobs in Haarlem

IVN Zuid-Kennemerland and Natuurmonumenten are hosting a nature work day at Beeckestijn country estate on December 31st. Volunteers will saw maples and cut out small maples to improve biodiversity.

Volunteers will assist with nature restoration at Beeckestijn country estate. Tasks include sawing maples and cutting out small maples to promote biodiversity.

Support a computer club for people with intellectual disabilities, guiding them in computer skills, social media, and other tech topics.

Machine Learning Engineer needed to build and optimize ML models for large datasets. Apply rigorous scientific methods and advanced mathematical and statistical techniques to research alpha and improve model performance. Collaborate with Quants and Engineers to develop, backtest, deploy, and monitor models.

Senior Legal Counsel will support business growth and ensure legal compliance. Responsibilities include drafting, reviewing, and negotiating contracts, advising on legal risks, managing legal documents, conducting research, and collaborating with HR.

Senior Risk Manager needed for international prop high frequency trading firm. Design, implement, and monitor real-time risk controls and data-driven frameworks. Analyze trading system behavior and collaborate with traders, developers, and infrastructure teams. Bachelor's or Master's degree in a technical field and 5+ years of experience in risk management, trading systems, or quantitative technology required.

Lead and develop engineering teams, ensuring reliable equipment performance and compliance with GMP, FDA/EMA, and internal standards. Drive process optimization, maintenance excellence, and reliability improvements. Manage projects, budgets, and external partners.

Flink seeks enthusiastic riders to deliver groceries using e-bikes or e-scooters. Deliveries are made from strategically located hubs in urban areas. Must be at least 16 years old and able to work in the Netherlands.

Flink, the leading online supermarket, seeks enthusiastic riders to deliver groceries using e-bikes or e-scooters. Deliveries are made from strategically located hubs in densely populated urban areas.

Flink seeks enthusiastic riders to deliver groceries using e-bikes or e-scooters. Deliveries are made from strategically located hubs in urban areas. Must be at least 16 years old and able to work in the Netherlands.

Flink, a leading online supermarket, seeks enthusiastic e-bike riders to deliver groceries efficiently and reliably. Deliveries are made using Flink e-bikes or e-scooters from strategically located hubs.

Flink, the leading online supermarket, seeks enthusiastic e-bike riders to deliver groceries efficiently and reliably. Must be 16 years or older, eligible to work in the Netherlands, and able to speak English or Dutch.

Iron Mountain seeks a Critical Facilities Technician for a full-time shift role in a 24x7 data center environment. Responsibilities include maintenance and oversight of critical electrical, HVAC, civil, and building management systems. The role requires strong attention to detail, organization, and the ability to follow safety procedures. Experience in a critical operations environment is preferred.

This training explores boundaries and appropriate physical contact with children and individuals with intellectual disabilities in a volunteer setting.

Volunteer to support disabled children and adults in their homes. Training provided on creating a safe social climate and navigating appropriate boundaries.

Senior Quantity Surveyor needed for major European data center project. Manage cost control, subcontractor relationships, and client communication. Lead procurement, oversee subcontract packages, and provide strategic commercial guidance. Requires 8+ years' experience, Bachelor's degree in Quantity Surveying, and strong technical, financial, and people management skills.

Chef de Partie needed for a modern wellness resort restaurant near Breda. Minimum 3 years experience required. Focus on fresh ingredients, taste, presentation, and consistency. Must be able to work independently and as part of a team.

The Pricing & Market Access Director will develop and execute market access strategies for Vertex's CF products and prepare reimbursement strategies for beta thalassemia and sickle cell disease. This role will lead the adaptation of global value dossiers and economic models to meet country-specific HTA requirements and present them to authorities.

Sales Assistant supports daily store operations, assisting customers, processing sales and returns, preparing online orders, and maintaining a well-organized store. Strong communication skills in English or Dutch are required.

Senior Growth Manager & Studio Lead will own and accelerate growth of the Music Studio, home to the Piano App. Define and execute GTM strategies, lead a cross-functional growth squad, and drive global acquisition growth, subscriber base growth, and LTV improvement.