68 English-speaking jobs in Haarlem

Senior Growth Manager & Studio Lead will own and accelerate growth of the Music Studio, including the Piano App. Responsibilities include defining and executing GTM strategies, leading a cross-functional growth squad, and driving global acquisition growth, subscriber base growth, and LTV improvement. Must have proven experience in mobile app growth marketing, a data-driven mindset, and the ability to operate autonomously.

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

Lead business transformation and digital strategy for a leading international retail company in the Netherlands. Contribute to overall business strategy and success as a member of the Country Management Team. Drive digital initiatives to improve revenue growth, customer experience, and operational efficiency.

Manage and expand relationships with public sector entities across EMEA, maximizing the value of Planet's imagery and geospatial solutions for applications like environmental monitoring and emergency response.

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.

Hardware Engineer needed for development of roadside traffic systems. Requires experience with electrical design, Circuit Board layout, AltiumDesigner, pre-compliance testing, and a programming language related to hardware. Must have strong English skills and a Bachelor's or Master's degree in a relevant field.

Certification Engineer needed for aircraft modification projects. Analyze customer requirements, define aircraft structures, and assist with electrical design. Lead design reviews, prepare certification documents, and conduct testing. Bachelor's degree in engineering and 5+ years of aerospace experience required.

This role focuses on back office and support for global operations. Key duties include ticket management, coordinating global tool rollouts, leading the Flow Forum, and maintaining operational documentation. Requires 6+ years of operational experience.

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

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

Manages knowledge base acquisition, organization, and maintenance, integrating with AI Agent management for accurate recommendations. Designs, scopes, and creates custom AI Agents. Requires 4+ years of knowledge management and technical writing experience, a Bachelor's degree in a relevant field, and experience with AI Agent architectures.

Network Engineer to manage and maintain network infrastructure across multiple locations. Configure, support, and troubleshoot Cisco networking environments. Monitor network performance, availability, and security.

Full-stack software engineer to build systems and integrate with federal customers. Develop a global monitoring application using Golang, Python, PostgreSQL, and React. 6+ years of experience required.

As a senior technical point of contact, you will guide customers through the AIMMS platform, from pre-sales through onboarding and technical account management. You will translate customer needs into technical solutions, advise on architecture and integrations, and deliver demos and workshops. You will also own technical account relationships, drive customer success, and act as an internal technical consultant.

Senior Systems Engineer to manage and improve IT infrastructure across multiple locations. Responsibilities include administering Cisco networks, VMware environments, and Windows Server systems.

Develop and maintain websites and applications, utilizing progressive techniques and technologies. Collaborate with backend developers to integrate APIs and services. Decipher designs, wireframes, and documentation to build layouts and interactive behavior.

Mendix Developer will enhance and rebuild the company's platform, translating innovative ideas into future-proof solutions. Requires minimum 3 years of Mendix experience, Mendix Advanced Developer certification, and a bachelor's degree.

Drive profitable revenue growth through new business development and account management for the B-to-B market in the UK, Baltics, and Nordics. This role requires 2 years of international sales experience, a higher vocational education, and passion for active sports.

React Frontend Developer needed for a scale-up company. Develop new UI/UX presentations and implement features for a web application. 5+ years of professional application development experience and fluency in React are required. Experience with Python or other server-side languages is a plus.

Senior Systems Engineer to manage and improve IT infrastructure across multiple locations. Responsibilities include administering Cisco networks, supporting VMware environments, and handling incident and problem management. Requires 5+ years of experience in IT infrastructure, strong Cisco and VMware skills, and excellent communication.