Senior Front-end Developer (Vue.Js) - Part-Time (24h/week)

🚀 Are you an experienced Frontend Developer looking for a long-term, part-time opportunity where you can take real ownership of complex, business-critical applications?
We’re looking for a Senior Frontend Developer with strong Vue.js expertise to join an international product team on a long-term basis, working 24 hours per week (3 days per week).
About the Client
Our client is a Netherlands-based software partner delivering enterprise-grade software solutions. From custom web applications to complex integrations, they turn business challenges into efficient, high-quality software solutions.
💻 About the Role
As a Senior Frontend Developer, you will take ownership of the user-facing side of business-critical B2B applications, with a strong focus on Vue.js. You’ll work closely with backend engineers, product stakeholders, and a Product Designer based in Australia to translate complex commercial and logistical processes into intuitive and reliable digital experiences.
This is a long-term, part-time engagement of 24 hours per week, ideally spread across 3 working days. The team operates primarily within CET working hours, with flexibility for occasional collaboration across time zones. Since the role involves regular communication with international stakeholders, strong professional English and clear, proactive communication are essential.
🎯 Responsibilities
Design, build, and maintain robust Vue.js applications for B2B users
Translate complex commercial and logistical business logic into clear, intuitive interfaces
Collaborate closely with backend engineers working with Laravel on API design and contracts
Work with Product and Design to turn requirements and designs into high-quality user experiences
Contribute to and help evolve a shared component library and design system
Ensure strong frontend performance, accessibility, and cross-browser compatibility
Write maintainable, scalable, and well-tested frontend code
Communicate clearly and proactively in English with global stakeholders, both technical and non-technical
Take ownership of your work and contribute to the ongoing reliability of the platform
🛠 Tech Stack
Frontend: Vue.js 2 upgrading to 3
Styling: Modern CSS, component library / design system driven
Backend (context): Laravel, REST APIs
Database: MySQL
Infrastructure: Docker, Kubernetes (k8s)
Environment: Cloud-based, CI/CD, scalable architectures
✅ Requirements
Senior-level experience with Vue.js, ideally Vue 2 and 3 and the Composition API
Strong command of JavaScript and modern CSS and component architecture
Solid understanding of REST API consumption and state management at scale
Comfortable working alongside a Laravel backend; hands-on PHP experience is a plus
Experience with front-end testing
Experience with build tooling, CI/CD pipelines and front-end performance optimisation
Proven experience working in a distributed, international team across multiple time zones
Professional-level English, written and spoken, at a level that allows you to lead calls, write documentation and discuss complex topics with confidence
Strong communication skills are essential and weigh as heavily as technical ability in this role
Ability to explain technical challenges clearly to non-technical stakeholders
Proactive, reliable and ownership-driven mindset
🌟 What We Offer
A long-term, part-time engagement – 24 hours per week / 3 days per week
A fully remote role within Europe
The opportunity to work on a business-critical platform with significant international reach
Collaboration with an experienced, globally distributed product and engineering team
Primarily CET-based working hours, with flexibility around occasional international collaboration
The opportunity to influence frontend architecture, standards, and the evolution of the design system
A high level of ownership and direct collaboration with key stakeholders
A modern technical environment with established development and delivery practices
📩 Ready to Join Us?
If you’re a senior frontend developer looking for a stable, long-term part-time opportunity where you can make a meaningful contribution to an international product, we’d love to hear from you.
👉 Apply and tell us a little about your experience. We look forward to meeting you!

Work arrangement
Yes