FRONTEND DEVELOPER
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Location:
Belgium (Hybrid: 3 days on-site, 2 days remote) Employment Type: Freelancer Contract Duration: 1 year
About the Role
We are seeking a Freelance Frontend Developer to build modern, responsive, and high-performance user interfaces for our web applications. In this role, you will translate designs and requirements into clean, maintainable, and scalable frontend code , ensuring an exceptional user experience across devices and browsers. Your expertise will drive UI quality, performance, and consistency across our digital products.
Key Responsibilities
- Develop responsive, user-friendly web interfaces using modern JavaScript frameworks and libraries (e.g., React, Angular, or Vue).
- Translate designs and wireframes into high-quality, pixel-accurate implementations.
- Build reusable components and design system elements to ensure consistency and maintainability across applications.
- Ensure cross-browser and cross-device compatibility , including accessibility standards (WCAG 2.1).
- Optimize application performance , including load times, rendering, and bundle size.
- Integrate frontend applications with REST/GraphQL APIs and backend services.
- Write clean, well-documented, and testable code , including unit and integration tests.
- Participate in code reviews and contribute to frontend development standards and best practices.
- Collaborate with designers, backend developers, and product stakeholders to deliver features end-to-end.
- Manage state and application architecture using modern patterns (e.g., Redux, Context API, NgRx).
- Support CI/CD workflows , including builds, testing, and automated deployments.
- Debug and resolve UI issues , cross-browser inconsistencies, and performance bottlenecks; Experience
- 5+ years of experience as a Frontend Developer or in a similar role.
- Strong expertise in at least one major framework (React, Angular, or Vue) with deep knowledge of JavaScript/TypeScript , HTML5 , and CSS3 .
- Hands-on experience with responsive design and CSS frameworks/preprocessors (e.g., Tailwind, SASS/SCSS, styled-components).
- Experience integrating with REST/GraphQL APIs and handling asynchronous data flows.
- Familiarity with state management solutions (Redux, NgRx, Pinia, or similar).
- Knowledge of build tools and bundlers (Vite, Webpack, npm/yarn/pnpm).
- Understanding of testing frameworks (Jest, Cypress, Playwright) and a testing mindset.
- Experience with Git and collaborative development workflows (branching, pull requests, code reviews).
- Knowledge of accessibility standards (WCAG) and SEO fundamentals is a plus.
- Familiarity with CI/CD pipelines and DevOps basics is beneficial.
- Certifications or demonstrable portfolio/projects showcasing frontend expertise are a strong plus. Languages
- Fluent in English (required for collaboration).
- Fluent in French or Dutch (required for client/stakeholder communication). Soft Skills
- Strong problem-solving and analytical skills with attention to detail.
- Excellent communication and collaboration skills to work in cross-functional teams.
- Design sensibility to bridge the gap between design and implementation.
- Attention to detail to deliver pixel-accurate, high-quality interfaces.
- Proactive mindset to identify UX and performance improvements.
How to Apply
Requirements:
- Currently residing in Belgium (we cannot assist with work permits).
- Fluency in English + French or Dutch (mandatory). Apply directly via LinkedIn. Include your resume, daily rate, and a brief note on your experience with frontend frameworks (React/Angular/Vue), responsive design, and API integrations . By applying to this position, you consent to our Privacy Policy (vivadax.com/privacy).
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