developer English-speaking jobs in Leidschendam

Leads social creative direction for global brand campaigns, sports sponsorships, and events across various platforms. Translates brand guidelines into actionable content for external partners and internal teams. Manages creative development from pre-production to post-production, including asset optimization and team training.

Senior Python Developer will build and own backend services in Python and FastAPI on GCP. Design secure, reliable systems and turn compliance workflows into product logic.

Delrin seeks a Project E&I Engineer to provide design and supervision for capital projects. Responsibilities include conceptual, FEED, and detailed E&I design, collaborating with plant operations, and ensuring compliance with codes and standards. The role requires a Master of Science in Electrical or Electronic Engineering and relevant project experience.

Design Automation Engineer needed to design and build automated equipment for medical device manufacturing. Responsibilities include creating SolidWorks models, providing technical support, and investigating new technologies. Requires an engineering degree and experience in a regulated environment.

Staff Academic Physicist will contribute to the scientific, technical, and operational activities of the AGOR cyclotron facility. Responsibilities include cyclotron operation, beam physics support, experimental user support, technical development, research contributions, and education & training.

Operational Excellence Partner will lead continuous improvement initiatives across Ocean Operations, driving waste elimination, process standardization, and best practice scaling.

Engine Test & Operations Engineer needed for our Hattem facility. Operate and manage the Engine Testing Facility, execute test runs, monitor performance, and produce reports. Troubleshoot issues, maintain the facility, and plan preventive maintenance. Experience with diesel engines and auxiliary systems is required.

Senior Service Sales Specialist drives growth of service business across high-voltage systems, transformers, and grid connections. Focuses on business development, identifying new service opportunities and expanding customer accounts. Collaborates with technical and commercial teams to support the growth of digital and performance-based services.

Key Account Manager will manage a portfolio of enterprise customers, driving revenue growth through renewals and expansion. Responsibilities include building relationships, understanding customer needs, and collaborating with internal teams to ensure customer success. Fluency in German and English is required.

Senior Purchaser will lead or support vendor selection, negotiate contracts, and manage supplier relationships. Requires 3-5 years of procurement experience, strong negotiation skills, and proficiency in SAP.

Turnaround Manager needed for the Rotterdam refinery. Develop and lead the TA team, define TA strategy, and ensure safe and efficient execution of major Turnarounds and catalyst changes. Minimum 10 years of relevant experience required.

Experienced Quantity Surveyor needed for large-scale data center projects. Manage commercial delivery, procure subcontracts, administer subcontractor accounts, and monitor project costs. Degree in Quantity Surveying or related field and 5+ years' experience in construction required.

DENSO Europe seeks an OES Aftermarket Sales Executive to build and maintain customer relationships, maximize OES potential, and achieve sales and profit targets. Responsibilities include customer account management, contract negotiation, sales planning, and project coordination. The ideal candidate will have a bachelor's degree, 3-5 years of experience, strong communication and analytical skills, and knowledge of the automotive aftermarket industry.

Senior Project Manager to oversee end-to-end project planning and execution for office furniture and design solutions.

Country Manager for Maersk Contract Logistics (MCL) Benelux. Leads the country P&L, strategy, and operations, including warehousing, distribution, and customer relationships. Requires experience managing P&L, large operations, and leading transformation initiatives.

Leads the Group Treasury function for a multinational e-commerce organization, ensuring stable liquidity, accurate cash forecasting, and efficient treasury operations.

As a Customer Success Manager for the BENELUX mid market/commercial segment, you will guide customers through their journey with Darktrace, ensuring rapid time-to-value and sustained success. You will manage a portfolio of accounts, focusing on driving scale engagement, adoption, retention, and growth. You will collaborate with various teams to ensure customer support and success.

Senior operational leader for a growing European CX site. Responsible for site performance, team leadership, quality, and customer satisfaction. Builds and maintains a high-performing team culture. Collaborates with Head of CX EU on department growth and strategy. Requires proven experience managing contact center operations and people managers.

Global HSE/DG Lead ensures EU and international distribution network compliance with occupational safety and Dangerous Goods regulations. Interprets legislation, assesses risks, and translates regulations into actionable guidance. Leads risk assessments, incident investigations, and develops safety policies and procedures. Provides regulatory guidance to Operations, Logistics, and Quality teams.

This freelance IT Risk Officer role supports NN Group IT in demonstrating effective management of IT and cyber risks. Responsibilities include coordinating risk reporting, supporting audits, and translating complex risk information into clear, actionable reports. The role requires experience in risk reporting, IT risk, cyber risk, internal control, IT audit, or assurance, as well as proficiency in Microsoft Excel, Power BI, and workflow/ITRC tooling. Dutch language proficiency is strongly preferred.