software English-speaking jobs in Leidschendam

Data Engineer to expand and improve data architecture, developing web scrapers, real-time transformations, back-end APIs, and dashboards. Requires BSc/MSc in CS, Python proficiency, and SQL experience.

Working in a small friendly team as a Production Operative & Warehouse Assistant, 40 hours p/week, fulltime hours. For the right candidate, the position would turn permanent after 12 months.

Lead the European quality function across Balchem's manufacturing network, ensuring product safety and compliance. This role involves developing quality teams, strengthening systems, and driving continuous improvement across sites.

Coordinate daily raw material sample operations, managing sample receipt, processing, and shipment. This role involves operational planning, KPI reporting, and ensuring compliance in a GMP-regulated environment.

Department As part of Investment Services & Reporting (ISR), the Legal & Regulatory Reporting team plays a key role in ensuring the delivery of high-quality regulatory reporting.

Quality Assurance Engineer to ensure production processes and products meet technical standards. Responsibilities include monitoring quality, managing non-conformities, and coordinating with various teams. Requires a technical degree and 3-5 years of relevant experience.

AI Safety Expert (English & Dutch) to red team conversational AI models and agents. Responsibilities include identifying jailbreaks, annotating failures, and documenting attack cases. Requires fluency in English and Dutch, plus prior red teaming experience.

Project Control Technician - Cost Control monitors project financial and physical progress for an EPC contractor. Responsibilities include budget control, variance analysis, and preparing financial reports. Requires 3+ years in Cost Control within industrial projects.

As a Sales Associate, you represent HUGO BOSS, providing excellent customer service and meeting sales targets. Responsibilities include maintaining store standards and managing stock. Requires MBO-level education and 2-3 years of luxury fashion experience.

Senior Full-Stack Data Engineer to design and deliver end-to-end data solutions for energy trading. Responsibilities include building scalable ingestion pipelines, ETL workflows, and efficient data models for portfolio management and algorithmic trading.

Highly organized Property Coordinator needed to manage exclusive properties in Amsterdam and Ibiza. Responsibilities include overseeing renovations, smart-home systems, maintenance, and project execution with contractors.

Monitor, analyze, and optimize the automated logistics system performance at CDC JUMBO. Identify root causes of disruptions and implement operational improvements using PLC-controlled systems and WMS.

Program, configure, and troubleshoot professional AV control systems. Integrate AV equipment and develop control applications using Python 3. Requires experience with Crestron, AMX, QSC, and networking protocols.

Own the end-to-end deployment process for investigative intelligence, ensuring customer adoption and success. Manage stakeholders, compliance (DPIA, AI Act), and production rollout. Fluent in Dutch and English is required.

Shape the security engineering roadmap and build controls across applications, cloud, and CI/CD. Lead threat modeling, code reviews, and vulnerability remediation. Requires hands-on experience in software/cloud security and automation in languages like Python or Go.

Manage and grow the Simovision portfolio in the Netherlands by building relationships with ophthalmologists and hospital contacts. This role involves sales, product demonstrations, and executing territory plans.

Sales Development Representative needed to engage partners in the EMEA/US region. Responsibilities include pitching the platform, scheduling calls, and ensuring partners are up and running. Fluent Dutch and English are required.

CNC Milling Operator/Programmer needed to program, set up, and operate 3, 4, and 5-axis CNC milling machines with Fanuc controls. Responsibilities include producing precision parts and performing quality checks.

Technical Manager for Marine Projects oversees technical development, construction, and delivery of complex marine projects. Requires a background in Naval Architecture or Marine Engineering with five years of experience, or a Chief Engineer with an unlimited license.

Develop and optimize laser dicing and grooving processes for customer applications. This role involves technical support, managing application qualification, and analyzing experimental results. Requires a Master's degree and strong analytical skills.