Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture. The role emphasizes data-driven product development, observability, and continuous delivery in a highly collaborative environment. Barcelona-based relocation is offered for the right candidate. #J-18808-Ljbffr