50 English-speaking jobs in Haarlem

Finance and administration support for a global datacenter services provider. Responsibilities include invoice processing, expense tracking, monthly P&L reporting, and vendor management. Requires bookkeeping experience, Excel proficiency, and fluency in English.

Head of Sales will own the full sales pipeline, develop the sales playbook, and manage an SDR. Responsibilities include prospecting, managing deals, and coaching the SDR. Must have 3+ years of B2B sales experience, experience selling datacenter, hosting, or managed services, and be fluent in English.

Execute high-volume outbound sales activities, including cold calling, emailing, and LinkedIn outreach, to qualify leads and book meetings for the Head of Sales in the DACH and Benelux markets.

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's and understand returns.

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. Strong communication skills in English.

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.

Team leader responsible for the execution of operational processes, service, productivity, and safety during assigned shifts. Leads a team of order pickers and riders, providing guidance and support. Requires previous managerial experience, preferably in logistics, retail, or catering. Must be available for at least 24 hours per week, including evenings and weekends.

Outside Sales Executive for Hästens, a global luxury sleep brand. Focus on strategic hunting, identifying and closing high-value accounts independently. Requires proven sales track record, mobility, and stamina. 80% field presence, uncapped commissions, and zero micro-management.

Payments Data Analyst will collaborate with stakeholders to define reporting needs, conduct data analysis, and develop scalable data pipelines. Experience with Synapse, Azure Data Factory, or Databricks is a plus.

Manufacturing Engineer needed to develop work instructions and matrix lists for aircraft wiring harnesses. Collaborate with engineers and quality teams to support production and drive continuous improvement. Requires an HBO in electric or mechanical engineering, Dutch nationality, and experience with Microsoft Word and Excel.