qa English-speaking jobs in Leidschendam

Security Operations Engineer builds secure tooling and IAM functionality. Responsibilities include owning shift-left security, resolving complex security issues, and leading structured security campaigns.

Mechanical Engineer rerates & upgrades supports performance-improvement solutions for rotating equipment. Responsibilities include analysis, reverse engineering, and documentation. A Master's degree in a related engineering field is required.

Sales Representative (B2B) role focusing on acquiring new B2B customers and growing existing business through sales, account management, and customer service support. Requires 2-4 years of B2B sales experience and outbound calling skills.

Motivated Machine Operator needed for a food production facility. Responsibilities include operating and monitoring machinery, checking product quality, and maintaining a safe, clean environment. Available in 2 or 3 shifts. English speakers welcome.

Warehouse Technician responsible for inspecting and maintaining technical systems and transport equipment. Duties include daily inspections, control studies, and carrying out repairs on warehouse machinery. Requires technical education and 1-2 years of experience.

Category Buyer to own an established operational procurement category. Lead end-to-end sourcing, manage commercial negotiations, and develop supplier relationships within a complex international organization. Requires 5-7 years of procurement experience.

Develop data-driven solutions and automated workflows for global financial markets. This role requires strong quantitative skills, Python experience, and the ability to translate complex analyses for stakeholders.

Design and deliver multi-petabyte storage systems for AI workloads. Architect parallel filesystems and object stores, integrating WekaFS, Ceph, and Lustre. Build Kubernetes-native storage operators and optimize data paths for high throughput.

Cleanroom Quality Inspector ensures high-tech systems meet standards in the semiconductor industry. Responsibilities include final inspections, investigating deviations, and applying SPC principles. Requires MBO in Mechanical or Electrical Engineering and 3-5 years of technical quality-control experience.

Assist Store Manager responsible for achieving KPIs, monitoring budgets, and managing sales, stock, and personnel. Requires 2+ years of assistant manager experience, team leadership, and a passion for fashion.

Cloud Security Engineer (GCP) to own security posture for a fast-growing Dutch fintech platform. Responsibilities include hardening Kubernetes, securing data platforms, embedding security into CI/CD, and ensuring compliance with DORA and ISO 27001.

HR Operations Manager to oversee HR functions in Belgium and the Netherlands. Responsibilities include managing payroll and compliance, daily HR operations, and onboarding/offboarding. Requires 3-5 years of experience and fluency in Dutch, French, and English.

Junior Research Fellowship Internship at the European Institute of Policy Research and Human Rights. Intern develops research, analytical writing, and policy drafting skills through literature reviews and report preparation on policy, human rights, or international relations topics.

Build and maintain reliable data engineering solutions to enable trusted data, analytics, and AI. Develop scalable data pipelines, models, and components while ensuring data quality, security, and governance.

Customer Care Representative to be the primary contact for service and repair journeys, ensuring efficient medical device maintenance. Requires 2+ years of experience and proficiency in English and French.

Support office operations and financial administration. Process accounts payable/receivable, manage purchasing, and handle facility matters. Requires MBO+/HBO level in admin/finance and strong English.

Senior Backend Engineer for Toqan, Prosus's AI platform. Build secure, scalable agent runtimes, orchestrating models and tools. Requires strong Go skills, AWS experience, and LLM integration expertise.

Join bol as a Tech Young Professional, working as a software engineer on autonomous Product teams. Develop and improve applications using modern tooling while embracing AI, ML, and Data.

Lighthouse Reports seeks a Social Media Manager & Video Editor to build social presence for public interest investigative work. Responsibilities include content creation, platform execution, and managing creator partnerships. Requires 3-5 years in video editing and social media management.

Filling Line Operator executes the production process efficiently while monitoring product quality. Responsibilities include operating, configuring, and maintaining production equipment, performing maintenance, and recording process data. Adherence to safety guidelines is required.