I had the pleasure of working with Ghassen on multiple projects, most notably on the BNA project. Throughout our collaboration, Ghassen consistently demonstrated exceptional technical expertise in React Native, as well as strong leadership qualities.

I’ve had the pleasure of working with Ghassen, and I can confidently say they are one of the most talented and dedicated frontend developers I’ve come across. Their ability to translate complex UI/UX designs into clean, responsive, and maintainable code is truly impressive. Whether it’s React, Next.js or any modern frontend tech stack, Ghassen brings both technical expertise and creative thinking to the table. They consistently deliver high-quality work, meet deadlines, and go the extra mile to ensure everything runs smoothly. Beyond the technical side, what really stands out is their collaborative spirit. They communicate clearly, listen actively, and bring positive energy to every project. Anyone would be lucky to have Ghassen on their team.

I had the pleasure of working with Ghassen Mellassi across multiple high-impact projects at RWE Celebrate, and I can confidently say he’s one of the most reliable and forward-thinking professionals I’ve managed. From day one, Ghassen brought a unique combination of deep technical skill, user-centered thinking, and strong ownership. Whether we were launching new features under tight deadlines or reworking legacy systems to improve performance, he consistently delivered exceptional work — always with a calm, focused attitude. One of the standout projects was our cross-platform initiative, where Ghassen led frontend architecture decisions and collaborated seamlessly with backend, design, and product teams. His ability to translate abstract requirements into elegant, scalable solutions made a measurable impact on our delivery speed and code quality. What really sets Ghassen apart is his leadership without ego. He lifts those around him, mentors juniors with patience, and isn’t afraid to challenge ideas constructively. He doesn’t just execute — he elevates. His attention to detail, commitment to product excellence, and instinct for user experience made him a key contributor to the success of every project he touched. Would I recommend Ghassen? Absolutely — to any team that values autonomy, deep craft, and a collaborative culture. If anything, my only feedback is that Ghassen should lean even more into product strategy and mentorship. He has a natural ability to influence direction and drive outcomes far beyond code. In short, Ghassen is the kind of teammate and leader you want in the room — when things go right, and especially when they don’t.