67 English-speaking jobs in Haarlem

Senior Frontend Developer to lead the React-based operator interface for a safety-critical product. Requires 5+ years developing complex interfaces, expertise in React, TypeScript, and strong UX affinity.

Software Tester ensures cutting-edge games meet international standards. You will receive on-the-job training to master the complete testing process.

The Math Analyst will conduct mathematical analysis to calculate return, odds, and volatility for games. Responsibilities include collaborating with test engineers, resolving math-related issues, and ensuring games meet quality standards.

Critical Facilities Technician provides technical and facility support in a 24x7 data center environment. Responsibilities include maintaining electrical, HVAC, and building management systems, and resolving service tickets.

Provides administrative support to the Sales team, including proposal drafting, CRM updates, report creation, and client communication.

Finance Assistant will support the accounting team with financial administrative tasks, including invoice processing, financial statement preparation, and audit support.

Customer Success Manager Supply Chain will drive measurable business value by owning customer outcomes, renewals, and expansion. This role requires a solid understanding of supply chain concepts and 7-12 years of experience in post-sales roles.