104 English-speaking jobs in Haarlem

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.

Sales employee needed for Esso Den Haag Laan gas station. Assist customers, stock shelves, process payments, and maintain a clean environment. Must have a driver's license and own transportation. Flexible hours available.

Planet seeks a Director of People Business Partners to lead the EMEA People Team, own regional strategy execution, and serve as a liaison between EMEA and US People leadership.

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.

Provides technical and facility support in a 24x7 data center environment. Maintains and oversees critical electrical, HVAC, civil, and building management systems. Monitors, resolves, and updates service tickets. Ensures safety procedures are followed and issues are proactively identified and resolved. Performs limited maintenance tasks to ensure smooth data center operation.

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.

Full-stack software engineer to build and integrate systems for federal customers, focusing on a next-generation global monitoring application.

Style Advisor needed to educate customers on Suitsupply's products, build relationships, and achieve sales goals. Previous experience in sales, hospitality, or service required.

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 Engineer Intern to develop, optimize, and test software for traffic enforcement systems. Projects include firmware development, system performance optimization, hardware abstraction layer enhancement, and automated hardware testing. Must be a student pursuing a degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field with proficiency in Golang, C++, or Python and experience with embedded and/or Linux-based operating systems.

Lead Data Engineer to drive technical direction of data pipeline and data warehouse layers using Prefect, Python, and SQL. Responsibilities include platform evolution, ensuring continuity and quality during change, and leading the data engineering team. Requires extensive Python experience, data pipeline development history, and experience as a lead or managing developer.

Experienced barbers sought for full-time, permanent positions in Nordic partner salons. Offer includes competitive salaries, relocation support, and opportunities for professional growth.

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

Software Engineer Intern to develop, optimize, and test software for traffic enforcement systems. Projects include firmware development, system performance optimization, hardware abstraction layer enhancement, and automated hardware testing. Must be a student pursuing a degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field with proficiency in Golang, C++, or Python.

Style Advisor needed to educate customers on Suitsupply's products, build relationships, and achieve sales goals. Previous experience in sales, hospitality, or service required.

Full-stack software engineer to build and integrate a next-generation global monitoring application for federal customers. Requires 6+ years of experience, fluency in Golang, Python, Postgresql, and React, and full-stack application development experience.

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.

Business Development Manager will drive growth and expand customer base across European markets. Responsibilities include partnering with clients, managing the sales cycle, and representing VISIT by GES at industry events.

Recruit Data Center Technicians (DCTs) across Asia-Pacific. Source, screen, and assess technical skills through interviews and practical evaluations. Build and maintain a vetted DCT pool, manage onboarding, and track performance. Requires 3+ years of recruiting experience and knowledge of DC infrastructure.