software English-speaking jobs in Leidschendam

This role executes procurement strategies for the Industrial Packaging category across Europe. Responsibilities include building supplier partnerships, managing contracts, monitoring market trends, and leading sourcing activities to optimize cost and quality.

Lead European site strategy and development for scalable, AI-ready data centre infrastructure. Identify, evaluate, and secure future locations, managing opportunities from market screening through to ready-to-build status.

Drive Lean Six Sigma and Continuous Improvement in pharmaceutical manufacturing. Coach teams, lead Kaizen events, and apply Lean methodologies to enhance process efficiency and performance. Requires 3+ years of hands-on experience.

QA Engineer responsible for ensuring the quality and performance of the Payment Platform. Duties include developing and executing automated tests, maintaining Kotlin-based frameworks, and performing API and load testing. Requires 5+ years in JVM languages and backend automated testing.

Japanese industrial products manufacturer seeks Dutch-speaking Sales Representative to expand business in the Netherlands. Responsibilities include developing sales activities, managing customer relationships, and supporting growth. Requires B2B sales experience and fluency in Dutch and English.

Backend Engineer specializing in API Development using TypeScript and Node.js. Focus on building, hardening, and scaling secure, partner-facing APIs with strong API craft, security, and testing. Requires hands-on AWS experience.

Quantum Success Engineer supporting customers with quantum-control hardware integration. Requires experimental physics background, ideally with PhD or MSc plus industry experience, and skills in microwave/RF electronics.

Manage the Personal Care and Beauty & Wellbeing portfolio for a major retail customer. Drive sales, promotional planning, and product launches while building strong customer relationships. Requires 2-5 years in FMCG/retail and strong Dutch proficiency.

Senior Backend Engineer to build, harden, and scale secure APIs using TypeScript/Node.js on AWS. Focus on API craft, security, testing, and developer experience. Requires strong skills in REST/JSON design and cloud-native delivery.

Dedicated Room Service Employee needed to deliver high-quality, refined dining experiences. Responsibilities include handling orders, ensuring timely delivery, and maintaining high service standards. Requires excellent communication and attention to detail.

Senior Rust Engineer needed to design and implement scalable, memory-safe backend services and distributed systems. Requires 5+ years in software engineering with deep Rust knowledge, systems programming, and async experience with Tokio.

Vessel Operator coordinates international vessel operations, ensuring safe and efficient voyages. Responsibilities include reviewing charter parties, managing port agents, and overseeing daily vessel performance. Requires 2+ years of maritime experience and strong English skills.

Human Resources Business Partner supporting the international sales department. Responsibilities include manpower planning, recruitment, onboarding, and employee relations. Requires proficiency in English and Chinese.

Lead and develop the Dutch sales team for a European spend management platform. Own commercial performance, drive Mid-Market growth, and build partnerships. Requires 5+ years in B2B SaaS/FinTech sales and 2+ years in sales leadership.

Senior Project Development Manager for logistic real estate. This role transforms secured opportunities into viable developments, overseeing project development and coordinating all parties from feasibility to execution. Requires extensive experience.

Hands-on Community Manager to lead daily experience at a workspace location. Responsibilities include inspiring hosts, ensuring seamless operations, building member relationships, and elevating community events. Requires hospitality experience and strong leadership.

Customer Care Executive in Air Logistics Perishables manages key customer relationships. This role involves owning accounts, forecasting volumes, securing capacity, and driving customer success within a dynamic, international freight-forwarding environment.

Experienced HVAC Engineer needed for freelance, onsite projects in cleanroom and high-tech environments. Responsibilities include designing, delivering, and justifying HVAC systems for controlled settings. Requires proven HVAC experience and strong technical design ownership.

Partner with stakeholders to create hiring strategies for vacancies. Manage the end-to-end recruitment process, including sourcing, screening, and shortlisting. Requires full-cycle recruitment experience and fluency in Dutch and English.

Manager at INNOPAY supports digital transformation and open, data-driven business models. Lead international project teams, applying expertise in Open Finance, data strategy, and payment technology to solve client challenges.