Overview As a Senior Engineer in Preply’s Engineering team, you will shape backend services and integrations to power personalized learning journeys. You’ll collaborate cross-functionally to deliver features validated by A/B tests while upholding high-quality, scalable systems. You’ll guide technical decision-making and foster best practices, including observability and reliability. This role blends hands-on development with system design in a fast-growing, global learning platform that supports tutors and learners alike. Compensaciones / Ventajas * lesson allowance * Learning & Development budget * time off for self-development * equity * health insurance * relocation package to Barcelona Hub Responsabilidades * Develop and own backend features using Python/Django for new services and third-party integrations * Collaborate with product, design,



analytics and engineering to define customer-focused solutions * Balance rapid delivery with long-term code quality, maintainability and scalability * Guide the team on best practices, testing culture, code reviews, monitoring, and reliability Requisitos principales * Exposure to architectural patterns in large-scale web applications * Willingness to handle small JS/TS tasks when needed * Strong troubleshooting ability and root-cause analysis * High sense of ownership and self-organization * Excellent verbal and written communication * Minimum B2 English level * Willingness to be on-call for squad (1 week every 5 weeks) * strong collaboration * clear communication * ownership and accountability * Python * Django * APIs and backend services

📌 Senior Back-End Engineer (Barcelona)
🏢 Preply
📍 Barcelona