About this role
We are looking for an experienced Senior React Developer to join an established development team working on a large-scale enterprise application. This is a long-term freelance opportunity for professionals who enjoy building robust frontend solutions while collaborating closely with backend engineers in a mature, monolithic technology environment. Working model Location: Brussels, Belgium Onsite Requirement: 50% onsite presence is mandatory. Candidates must be comfortable working from the client's offices on a regular basis Contract Type: Freelance What you'll do Develop and maintain complex React-based frontend applications Work closely with Java backend developers to design and implement new features Contribute to technical discussions and solution design Deliver high-quality, maintainable, and scalable code Participate in code reviews and promote engineering best practices If you are a senior React developer who thrives in enterprise environments, enjoys close collaboration with backend teams, and is looking for a long-term freelance opportunity in Brussels, we'd love to hear from you. We are looking for someone who: Has at least 5 years of professional experience in frontend development Has strong, hands-on experience with React and modern JavaScript/TypeScript Has experience working within monolithic application architectures and understands the challenges and advantages of enterprise environments Enjoys collaborating closely with Java backend developers to deliver high-quality end-to-end solutions Is capable of working independently, taking ownership of tasks from analysis through delivery Communicates fluently in English (written and spoken). English is the only working language for this role