developer English-speaking jobs in Leidschendam

Business Analyst to bridge HR, IT, and innovation for a large financial cooperative. Focus on digital recruitment, pre-selection, and AI applications. Requires experience in HR/recruitment, digital platforms, and system integrations. Excellent communication and proactive mindset essential.

Leads finance transformation projects including ERP (D365), finance operations, and process standardisation (P2P, O2C, R2R, Tax). Manages project scope, timelines, resources, and budgets. Drives operational readiness, governance, and value realisation across entities.

Account Specialist Customer Service ensures seamless customer communication, order management, and stakeholder coordination in a global healthcare packaging environment.

Supports supervisor in managing daily delivery station operations. Leads and guides teams, allocates tasks, and ensures timely deliveries. Trains new team members and communicates with other teams. Requires 2+ years of logistics experience and strong teamwork skills.

Experienced accountant needed to ensure the integrity of global financial data. Responsibilities include managing National and Regional Office transactions, producing Annual Financial Statements, and acting as a Finance Business Partner. Must have experience with IFRS and a proactive approach to process improvement.

Senior Mobile Apps Developer will design, build, and improve mobile applications for Android and iOS. Responsibilities include defining technical architecture, developing scalable solutions, and ensuring code quality, performance, and security. The role requires 5+ years of experience as a Software Developer, including mobile development, .NET, and .NET MAUI or similar frameworks.

Develop, maintain, and improve customer data API integrations within the Customer Data Platform using Python and technologies such as Databricks, Azure Function Apps, and related Azure services. Set up and improve Azure DevOps CI/CD pipelines to automate build, test, release, and deployment processes. Collaborate with the Data Engineering & Platform team to design and implement end-to-end data integration solutions.

Data Engineer (Finance) needed for a fast-growing global trading company. Build data pipelines, dashboards, and visualizations to support trading, finance, and management. Master's degree in computer science and strong Python and SQL skills required.

The International Criminal Court seeks a Contract Legal Officer for a short-term assignment (maximum 12 months). The selected candidate will report to the Senior Legal Adviser or Legal Adviser and perform duties as outlined in the full job description. Applicants must have a minimum of two years of relevant professional experience in a legal or judicial environment and proficiency in either English or French.

Leads an advertising sales business and manages a team of Account Directors and Client Solutions Managers. Responsibilities include building client relationships, unlocking revenue opportunities, providing campaign strategy consultation, and delivering campaign intelligence.

Experienced Lean Manager to lead operational excellence initiatives across multiple European countries. Deliver measurable improvements in productivity, efficiency, and cost competitiveness. Partner with country operations leaders to implement Lean methodologies and drive sustainable operational results.

Data DevOps Engineer needed for a long-term project at a large telecom company. Experience with both current (Microsoft Data Stack, Windows servers, SQL Server, SSAS, SSIS) and new (Azure Cloud, Microsoft Fabric, IDMC, SQL, Airflow) technologies required. Must have strong automation, communication, and teamwork skills.

HR Support Officer/P&O Administrator needed for a nationwide network of veterinary clinics. Manage employee lifecycle processes, onboarding, absence administration, and reporting. Contribute to process improvement and Workday optimization. Requires MBO+/HBO level education, 1+ year HR experience, and fluency in Dutch and English.

Product Development Engineer will design, build, and ship features across frontend, backend, and infrastructure. Responsibilities include translating problems into solutions, ensuring data accuracy and security, and improving code quality and developer experience.

Senior Site Reliability Engineer will design and implement secure, scalable cloud infrastructure on Azure. Responsibilities include building and evolving the internal developer platform, driving infrastructure automation, and optimizing CI/CD pipelines. The role requires 5+ years of experience in DevOps, Site Reliability Engineering, or infrastructure engineering with a strong understanding of cloud platforms, CI/CD tools, and container technologies.

The Plant Manager / Operations Manager oversees daily production site operations, including cultivation, post-harvest processing, and secondary operations. The role ensures safe, compliant, efficient, and predictable operations aligned with production plans, quality standards, and regulatory requirements.

Senior Service Engineer provides advanced technical solutions to customers throughout the lifecycle of installed systems and equipment. Diagnoses technical issues, implements corrective actions, and acts as a technical reference for customers and colleagues. Requires 5-10 years of field service experience in industrial, electrical, automation, or power systems environments.

Floor Supervisor will support the restaurant's smooth operation, ensuring service standards are maintained and guest needs are met. Responsibilities include team leadership, training, and development, as well as managing daily operations, inventory, and reporting.

Picnic is hiring part-time or full-time warehouse workers in Rotterdam Ridderkerk. Tasks include picking and packing groceries, loading and unloading trucks, and maintaining a clean and safe workspace. Must be at least 18 years old, physically fit, and a team player with basic Dutch or English.

Postdoctoral Researcher to optimize heart failure treatment for older adults using linked healthcare data and causal inference methods. Responsibilities include designing, conducting, and reporting target trial emulation studies. Requires a PhD in a relevant field and experience with statistical programming in R and analyzing large observational healthcare datasets.