developer English-speaking jobs in Leidschendam

Postdoctoral fellow sought to advance reinforcement learning for control of human-inspired musculoskeletal robots. Project focuses on creating digital twins of robots with neuronal control networks for robust sim2real applications.

Housekeeping Employee needed for a large, prestigious 5-star hotel in Amsterdam. Maintain a dedicated area of hotel rooms, cleaning a manageable mix of stay-over and check-out rooms. Work standard 7.5-hour days with a predictable schedule.

Business Controller will support various departments in organizing meetings, congresses, and events. Responsibilities include maintaining financial administration, producing reports, developing Power BI, and advising management on financial matters.

As a Bicycle Technician, you will repair and maintain bicycles and other sports equipment, advise customers on maintenance, and contribute to Decathlon's sustainability mission.

Assistant Banqueting Manager supports the full lifecycle of events, from planning to execution and aftercare. Responsibilities include coordinating teams, supporting operational decisions, overseeing stock and equipment, and assisting with staff scheduling. Must have experience in a similar position, be fluent in English, and able to work flexible shifts.

Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future. With the world's widest portfolio and service network, we – Wärtsilians - deliver efficient, safe and sustainable integrated products and solutions to enhance the business of our customers.

Sales Manager to lead a team of 5, develop sales strategies, and build customer relationships. Experience in renewable technology, sales, and leadership required.

Experienced Chef de Partie needed for a 5-star hotel brasserie in Amsterdam. Work in a structured, international brigade with a focus on consistent quality and precision. Prepare mise en place, run your section during services of around 100 covers, and coordinate with the team.

As a Solutions Architect, you will partner with Account Executives, Technical Account Managers, and strategic partners to drive regional and corporate growth. You will design, adopt, and operationalize Qualys platform solutions across asset and vulnerability management, patch management, threat detection and response, compliance, and cloud/application security. You will also enable partner technical capabilities and support joint solution development.

Technical Consultant to design, build, and implement AI-powered solutions using Microsoft technologies. Experience with Copilot, Copilot Studio, Power Platform, Microsoft 365, and Azure services required.

Own Tellent's transition from a System of Record to a System of Action as Senior Product Manager for Agentic initiatives. Drive the unified AI layer across Hire, Manage, and Grow products, including Model Context Protocol (MCP) infrastructure, specialist agents, and action execution. Collaborate with AI/LLM-native engineering team on agent architectures, evaluation loops, and quality frameworks.

This Product Owner role leads the Regulatory Reporting block, ensuring ABN AMRO Clearing Bank meets regulatory obligations across multiple jurisdictions. Responsibilities include defining and driving reporting strategy, managing the product backlog, and leading a team of Business Developers. The role requires experience in process or functional management, IT services, project management, and financial services.

Support the development and maintenance of JChat, a text-based asynchronous chat capability for NATO.

Own Tellent's transition from a System of Record to a System of Action as Senior Product Manager for Agentic initiatives. Drive the unified AI layer across Hire, Manage, and Grow products, including Model Context Protocol (MCP) infrastructure, specialist agents, and external ecosystem channels. Collaborate with AI/LLM-native engineering team on agent architectures, evaluation loops, and quality frameworks. Translate AI vision into a pragmatic roadmap with clear execution metrics.

The Retail Marketing Specialist supports the development and execution of channel marketing strategies. They plan, execute, analyze, and improve marketing plans and campaigns, monitor ROI, and recommend program changes. The role involves overseeing merchandising activities, managing product listings, and utilizing retailer online marketing tools.

The NATO Information and Communication Agency (NCI Agency) seeks six experienced software developers to support the development of new versions of the JChat Java Client, Web Client, Openfire Server, and M-Link server. Developers will work using Scrum methodology and will be responsible for development, documentation, testing, and release building.

Technical Account Manager will guide enterprise clients through technical implementations and integrations with Silverflow's acquiring platform. This role requires 3-5 years of experience in a technical, engineering, or client support role and a solid understanding of APIs, SaaS, and web services.

UX Researcher to work across Tether's product portfolio, including consumer apps and developer platforms. Responsibilities include conducting research, identifying UX best practices, and translating findings into actionable recommendations. Requires 5+ years of experience, strong communication skills, and the ability to work in a fast-paced environment. Must have experience with AI tools and be comfortable working with products involving trust, privacy, security, or technical complexity.

Engineer visible exterior elements of superyachts, from design to buildable solutions. Requires 2-5 years shipbuilding engineering experience, 3D AutoCAD proficiency, and knowledge of shipbuilding production.

Production Worker supports the safe and efficient handling of pharmaceutical products throughout production and logistics. Responsibilities include processing and packaging products, following procedures and quality standards, and maintaining a clean work environment.