frontend developer English-speaking jobs in Leeuwarden

Experienced API Security Engineer needed to secure APIs supporting customer-facing services, internal systems, and partner ecosystems. Translate security standards into platform policies and automated controls. Collaborate with engineers and security specialists to ensure API security, compliance, and resilience.

We are looking for a cleanroom employee in Eindhoven to work on cleaning and assembling high-quality technological products. You will receive special protective clothing and work in a clean area, often for customers such as ASML. In this close-knit and communicative environment y

Provide testing and quality assurance support for the Joint Targeting System / Functional Area Service (JTS/FAST) software. Responsibilities include developing and maintaining test cases, performing manual and automated testing, analyzing defects, and contributing to test documentation.

Electrical Engineer responsible for ensuring the reliable operation of power network infrastructure. Will monitor, troubleshoot, and maintain electrical systems, supervise maintenance teams, and ensure compliance with safety and environmental standards. Requires a Bachelor's degree, experience in network operations, and knowledge of NEN3140 and NEN 3840.

Hardware Engineer to develop next-generation quantum computing systems. Test, characterize, and validate high-performance electronic hardware. Debug hardware prototypes and collaborate with design, firmware, and software engineers.

Spare Parts Engineer will develop and optimize spare parts stocking plans for terminal equipment. Collaborate with OEMs, suppliers, and inventory teams to improve availability and performance. Support equipment acquisition and commissioning activities. Contribute to regional stocking models and provide technical guidance on spare parts management. Requires a university degree in a related technical discipline and 5+ years of experience in asset-intensive industries.

Lead Planner to manage project programmes for major data centre developments. Develop, maintain and monitor programmes from pre-construction to completion, ensuring alignment with client objectives and key milestones. Experience with Primavera P6 and leading planning teams required.

Repair and diagnose electronic and mechanical devices. Install and configure software components. Conduct functional testing to ensure product quality. Manage inventory and maintain stock records.

Join our cleaning team at Schiphol Airport and contribute to a clean and welcoming environment for travelers and employees. Duties include cleaning terminal areas, restrooms, and lounges. Must be flexible and available to work from Monday through Sunday, including morning, afternoon, and night shifts. Fluent in Dutch and/or English is required.

Operator to support safe and reliable operation of hydrogen production and carbon capture facilities. Performs inspections, monitors plant performance, and assists with start-ups, shutdowns, and troubleshooting. Develops operational competence within a complex process facility.

Develop and deliver community programs, partnerships, and investments for The Magnum Ice Cream Company, strengthening brand trust and ensuring alignment with business priorities. Manage global community programs, support market execution, and drive measurable impact. Build and manage relationships with NGOs, charities, and partners.

Assistant Professor of Clinical Psychology to teach and conduct research on mechanisms, prevention, and treatment of mental health disorders. PhD in Clinical Psychology required. Experience in academic teaching and research, and fluency in Dutch and English are essential.

Senior Regulatory Affairs Specialist to provide regulatory leadership across Europe. Guide product development and marketing claims strategy, ensuring compliance with European regulations.

Lead and execute regional networking and security strategy, translating vendor roadmaps into actionable initiatives and driving commercial outcomes. Collaborate with sales, partners, and vendors to accelerate pipeline growth and market leadership.

As a Software Engineering Excellence Consultant, you will help engineering teams improve software quality, engineering practices, and AI-augmented development adoption. You will embed with teams to understand challenges, review code and practices, assess software maturity, and implement improvements. You will define modernization scope, align practice improvements with product delivery goals, and communicate engagement progress to stakeholders. You will conduct software craftsmanship assessments, define code quality standards, and coach teams on best practices.

Senior Integration Engineer to own the technology and processes that bring HTML5 games to platforms like Netflix, Discord, Facebook, and Microsoft. Responsibilities include extending platform abstraction libraries, integrating third-party SDKs, and supporting multi-platform deployment. Requires several years of software development experience, strong TypeScript skills, and experience designing reusable libraries.

Investment Analyst/Associate for a leading international venture capital firm focused on hardware and semiconductor innovation. Responsibilities include deal sourcing, due diligence, market analysis, and industry event representation. Requires a postgraduate degree in a technical field and fluency in English.

As Technical Project Manager, you will lead a variety of technical projects, including product development, roadmap implementation, customer deployments, and R&D. You will refine our project delivery framework, strengthen project governance, and build a team of Technical Project Coordinators. You will work closely with engineering, product, operations, commercial teams, leadership, customers, and external partners.

DevOps Engineer to join Albert Heijn's Store Infra Engineering team. Experience in Azure, Intune, PowerShell, Graph API, automation, Linux, APIs, networking, and CI/CD practices required. Will build automation for operations at scale, engineer security policies, and leverage infrastructure-as-code.

Stroop Digital seeks a Founding Chief Commercial Lead to build and scale the sales organization. This role involves securing institutional contracts, developing the sales playbook, and building a team to achieve ambitious growth targets.