SENIOR REACT DEVELOPER - Digital Innovation

Join a major player in the digital services sector that's undergoing a full transformation of its user platforms. The company is investing in building a brand-new digital interface to better serve millions of users across Belgium. They operate with a modern and collaborative approach to software development, embracing cloud-native technologies, DevOps practices, and design system standardization. You'll be part of a highly skilled internal team based in Brussels, working in a hybrid setup (minimum 2 days onsite).

This position is open to BOTH FREELANCER & INTERNALS employees.

SENIOR REACT DEVELOPER - THE PROFILE :

We're looking for a Senior React Frontend Developer with a strong background in large-scale, production-grade web applications. You'll be responsible for designing and implementing features in a complex single-page application using the latest tools and frameworks.

Must-Have Skills:

• 5+ years of professional experience with modern frontend development
• Advanced expertise in React, TypeScript, and JavaScript
• Hands-on experience with React Hooks, component architecture, and performance optimization
• Solid understanding of state management patterns and RESTful APIs
• Comfortable with modern tooling (e.g. Vite, Jest, Git)
• Strong track record building scalable SPAs in a production setting
• Experience working in Agile and CI/CD environments

Nice-to-Haves:

• Familiarity with Web Components (Lit) and design systems
• Exposure to micro frontends or BFF (Backend-for-Frontend) patterns
• Understanding of Azure, Docker, and Kubernetes
• Background in high-security or data-sensitive environments

SENIOR REACT DEVELOPER - THE OFFER :

• Freelance mission with a long-term outlook
• Brussels-based, hybrid mode (2 days/week onsite)
• Work on a modern stack in a cloud-native ecosystem
• Real technical ownership with room for improvement and architectural input
• Integration into a dynamic and high-level internal team
• Opportunity to contribute to the evolution of an ambitious platform used by millions