developer English-speaking jobs in Leidschendam

Oversee IT infrastructure, strategy, and digital transformation. Lead IT projects, cybersecurity, and system management. Requires extensive IT management experience and strong leadership.

The Maritime Project Buyer manages project-related purchasing and procurement categories in a technical environment. Responsibilities include supplier management, contract negotiation, and ensuring quality, cost, and delivery performance.

Drive business development in the Netherlands for Ohme's smart-grid platform, focusing on the EV charging market. Manage the sales cycle, build partnerships with ecosystem players, and achieve sales targets. Fluent in Dutch and English is required.

Six-month Front-end Engineer Intern role building interfaces for institutional clients using SvelteKit and TypeScript. Contribute to web application features, connect to APIs, and write clean, tested code.

Assemble, adjust, and qualify complex lithography systems in a high-tech environment. Requires MBO 4 in relevant engineering or hands-on assembly experience. Weekend shift work.

Medical Devices Auditor assesses quality management systems for ISO 9001/13485 and MDSAP. Requires 4+ years in R&D, manufacturing, or testing, plus 2 years with QMS. Must have a STEM degree and high-level Dutch/English.

Supports global data privacy programs, including HIPAA and GDPR. This role ensures personal data collection, processing, and storage align with privacy laws. Responsibilities include Privacy by Design support and regulatory research.

Digital Marketing Executive to support and execute marketing strategy. Responsibilities include managing CMS content, coordinating B2B campaigns, and working with Salesforce and Google Analytics. Requires strong communication and tech-savviness.

Sales Engineer OEM acts as a technical-commercial partner for semiconductor and high-tech customers. This role requires deep technical understanding to co-create solutions and drive value within complex client environments.

Data Scientist role in Trading & Optimization. Develop, deploy, and maintain probabilistic forecasting models for energy trading and grid management, integrating optimization and control systems. Requires 3+ years of experience in ML/statistics and Python.

Sales Support Specialist for Duty Free Europe coordinates the entire order process from A to Z. This role involves administrative tasks, preparing quotations, and liaising with internal departments. Requires MBO 4 diploma, administrative experience, and fluent English.

Design and deliver multi-petabyte storage systems for AI workloads. Architect parallel filesystems and object stores, integrating WekaFS, Ceph, and Lustre. Build Kubernetes-native storage operators and optimize data paths for high throughput.

Payroll Administrator ensures accurate and timely payroll processing for clients using Nmbrs. Responsibilities include data maintenance, compliance checks, and preparing payroll documentation. Requires MBO/HBO degree and strong attention to detail.

Technical Sales Specialist for Advanced Therapy Solutions. This field-based role drives technical engagements, qualifies complex opportunities, and shapes deals within the Benelux region. Requires a Master's in Life Sciences or related field and significant technical sales experience.

Join bol as a Tech Young Professional, working as a software engineer on autonomous Product teams. Develop and improve applications using modern tooling while embracing AI, ML, and Data.

Provide impactful People & Culture advice to clients, supporting start-ups and scale-ups. Lead projects on topics like culture, L&D, and engagement. Requires 4-10 years of HR experience and knowledge of Dutch employment law.

Optimize pricing and drive revenue across 3-4 hotels as a Cluster Revenue Coördinator. Responsibilities include forecasting, monitoring market trends, and managing inventory. Requires 2+ years in hotel revenue management and analytical skills.

Associate Manager Logistics Excellence connects European logistics teams to improve performance and collaboration. This role drives improvement initiatives, manages cross-functional projects, and advances the regional sustainability agenda.

Sales Administrator supports sales operations in a technical environment. Key tasks include preparing quotations, managing CRM, and coordinating customer samples. Requires 2+ years of experience quoting technical systems and proficiency in MS Office 365.

Swift Developer to oversee architecture and technical implementation of Swift features for the Contextual Commerce platform, EVA. Requires 5+ years of development experience, with 2+ years in Swift, and experience with unit testing.