This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer (f/m/x) based in France. Join a remote-first engineering team building scalable technology solutions that power a fast-growing European marketplace. In this role, you'll design, develop, and maintain backend services that support millions of customer and seller interactions while solving complex technical challenges. You'll work within a cross-functional product squad, collaborating with engineers, product managers, designers, and business stakeholders to deliver reliable, high-performance solutions. With a strong focus on ownership, autonomy, and engineering excellence, you'll contribute to architecture decisions, best practices, and the continuous improvement of development processes. This is an opportunity for an experienced backend engineer to make a meaningful impact while working with modern technologies in a collaborative international environment.