121 English-speaking jobs in Haarlem

Math Analyst for the gaming industry. Responsibilities include mathematical analysis of return, odds, and volatility. Requires a Bachelor's in Math or CS and strong C++ knowledge.

Senior Project Engineer leads complex packaging and device assembly projects, driving technology transfers and process improvements. Requires 5+ years in engineering, project leadership, and GMP environments.

Facility Lead to own facility engineering scope for a High Potent Secondary Packaging project in a regulated pharmaceutical environment. Coordinate delivery from design through commissioning, ensuring compliance with GMP and Dutch regulations.

Deliver groceries for Flink using e-bikes or e-scooters. This flexible side job requires representing Flink, ensuring fast and timely deliveries. Must be at least 16 and speak English or Dutch.

Senior Project Engineer leads complex packaging and device assembly projects, driving technology transfers and process improvements. Requires 5+ years in engineering, project leadership, and GMP environments.

Data Scientist to analyze e-commerce performance and consumer behavior. Responsibilities include building data pipelines with SQL/Python, designing reports, and running A/B tests. Requires 3+ years of relevant analytics experience.

Founding Full Stack Developer to build clear, fast, and dependable software for critical operations. Own end-to-end development, designing features using TypeScript, React, Next.js, and Node.js. Requires deep stack expertise and architectural judgment.

Lead non-commercial procurement for FMCG new store openings, sourcing materials, equipment, and services. Manage supplier relationships and drive efficiency across a high-volume pipeline. Requires 3-5 years of relevant procurement experience.

Thuisbezorgd.nl seeks Bike Couriers (16+) to pick up and deliver food safely and on time. This role requires reliability and availability for at least two evenings per week.

Interior Engineer develops and realizes superyacht interiors, converting design concepts into buildable solutions. Responsibilities include 3D modeling, technical drawing, design verification, and collaboration with engineers, designers, and production teams.

Seasoned Operations Director needed to organize and oversee daily operations for Leaseweb NL. This role involves defining and implementing operations strategy, managing a team of around 100 people, and overseeing infrastructure deliveries and customer care.

Senior Software Engineer to build and deploy large-scale services and APIs using Go, Python, or Java. Focus on scalable, observable systems, SRE culture, and high-quality code. Requires 6+ years of production experience.

Clear Junction seeks a 6-month FTC Commercial Compliance Onboarding Analyst. This role involves acting as the first line of defense for inbound new business prospects.

Senior Manager, Centre Engagement Lead for Hematology Benelux. This role identifies and supports transplant centers to become Authorized Treatment Centers for Casgevy. Focus is on operational onboarding, contracting, and ensuring patient journey support.

Integration Analyst to join a 7-person team focused on expanding B2B integration services. Responsibilities include analyzing processes, defining mappings, translating business requirements into designs, and supporting developers and testers. Requires a Bachelor's or Master's degree in Informatics or IT, experience as a Business Analyst, and strong skills in requirements gathering, functional design, and UML use cases.

Drive profitable growth for Industrial Compounds EMEA by identifying new markets and customers across sectors like E&E, B&C, and Consumer Goods. Build relationships, manage the pipeline, and translate market needs into portfolio priorities.

Experienced Quality Assurance Specialist Qualified Person needed to ensure pharmaceutical product quality and regulatory compliance. Responsibilities include product release, managing investigations, and supporting audits. Requires a relevant degree and 5+ years in aseptic production.

Lead software development teams focusing on Back-End activities for Active Sports and Results Platforms. Guide developers using Java/Springboot, Typescript/Vue.js, and Azure. Requires 5+ years of software engineering experience and team leadership.

Commissioning Engineer to plan and execute commissioning for custom yachts, refits, and fleet support. Responsibilities include testing, validating, and ensuring all systems meet international standards. Requires a relevant engineering degree or equivalent experience.

Lead commercial strategy and revenue growth for INL Cargo across Europe. This role involves developing integrated teams, managing key accounts, and commercializing new logistics propositions. Requires senior experience in freight forwarding or supply chain services.