developer English-speaking jobs in Leidschendam

Experienced Marketing Manager (gn) to develop and execute brand strategy for the Netherlands and Belgium. Lead 360° campaigns, manage agencies, and track brand metrics. Collaborate cross-functionally to ensure a consistent brand experience. Fluent in English and Dutch required.

Supervises the maintenance, repair, and operation of mechanical equipment, including engines, generators, and hydraulic systems. Ensures safe, efficient, and reliable operation of yard systems. Diagnoses mechanical problems and implements solutions to minimize downtime. Manages spare parts, tools, and equipment inventory.

Senior Software Engineer to design, build, and maintain data pipelines for large-scale datasets. Develop ETL/ELT workflows using distributed computing frameworks on cloud infrastructure. Design API-first services and ensure data quality, monitoring, and observability. Take end-to-end ownership of data integration platform components and drive their reliability, scalability, and evolution. Collaborate with cross-functional teams and mentor engineers.

Develop advanced SLAM and perception systems for XR platforms. Build efficient computer vision and deep learning solutions for real-time applications.

Leads and develops a team of People Partners, serving as a key interface between HR leadership and business stakeholders. Oversees HR policy design, workforce planning, and large-scale transformation initiatives. Requires 10-15 years of experience in senior HR generalist or HRBP leadership roles. Fluency in English is mandatory; strong command of French labor law is highly valuable.

Technical Support Specialist will implement new customers, carriers, and integrations. You will automate support processes, manage incidents, and act as a liaison between customers, users, and engineering. Strong analytical and problem-solving skills are required. Proficiency in Dutch or English is essential.

Experienced Data & BI Architect needed to design and guide the future of the company's data architecture across multiple business units and countries. Will build scalable, secure, and future-ready data solutions, focusing on cloud-based architectures, BI platforms, data governance, and AI initiatives.

Paid Social Manager will develop, execute, and scale paid social campaigns across key platforms to achieve acquisition and ROI targets. Responsibilities include managing daily campaign operations, driving data-backed decisions, and collaborating with creative teams.

Senior Backend Engineer to build and evolve Sensity's deepfake detection platform. Develop backend services, strengthen testing and deployment pipelines, and improve cloud infrastructure. Requires 5-10 years of backend engineering experience, strong Python skills (FastAPI, Django), and comfort working with Postgres, Docker, Kubernetes, Linux, and Windows.

Senior Logistics EDI Integration Consultant needed to drive complex EDI integrations for warehouse and logistics operations. Will translate business requirements into robust integration solutions, working with stakeholders and technical teams. Requires extensive EDI experience, logistics knowledge, and middleware platform proficiency (BizTalk preferred).

Senior Go Software Engineer to design, develop, and maintain scalable backend services for AI and machine learning workloads. Experience with Kubernetes, distributed systems, and LLMs is required.

Senior HR Business Partner will act as a strategic partner to senior leaders in the Netherlands, supporting business performance through people strategy, workforce planning, and operational excellence. This role balances strategic responsibilities with hands-on delivery across the employee lifecycle, ensuring compliance with Dutch employment law.

The Capex Project Engineer is responsible for the development and implementation of the capital program for the Etten-Leur facility. This role drives project execution, monitors progress, and manages project budgets. The Capex Project Engineer develops business cases for Capital Budget Reviews and ensures compliance with safety and quality standards.

Support secure infrastructure operations and governance activities within a complex international organization. Review, coordinate, and document infrastructure and network-related changes. Work closely with infrastructure architects, security stakeholders, and service teams.

Operations Manager leads the Front Office team, collaborates with support departments, and ensures safe operations. Requires at least one year of experience in a similar role, fluency in Dutch and English, and experience with Opera Cloud or a willingness to learn.

Finance Professional will manage financial administration for three entities, including general ledger, month-end close, accounts payable/receivable, and financial reporting. Requires fluency in German and Dutch, 2-5 years of financial administration experience, and proficiency in ERP systems.

As a Sales Consultant, you will provide outstanding customer service in a fast-paced retail environment. You will assist customers, drive sales, and maintain store upkeep. Previous retail experience, passion for sport or fashion, and strong communication skills are required.

Marketing and Events intern to support business growth within an international organization. Contribute to campaign development, content creation, and marketing projects with real business impact.

Refurbish returned electronic devices, including modems, routers, and other equipment. Ensure products meet quality standards before being returned to circulation.

Designs, configures, and implements complex network solutions for clients. Acts as a technical advisor, analyzes client needs, and recommends best practices. Conducts network audits, enhances security, and collaborates with teams on project execution.