Senior Backend Engineer - ComparaJá

Senior Backend Engineer responsible for end-to-end ownership of backend features, architectural decisions, performance optimization, and mentoring junior/mid-level engineers. Role emphasizes building high-quality software with automated testing, CI/CD, and clean architecture, collaborating with product managers and designers, and driving scalable backend systems using AWS, with a stack including C#, Python, Nuxt, PostgreSQL. Based in Lisbon (Alvalade) with hybrid/remote flexibility; strong emphasis on communicating across an international team and contributing to system-wide scalability and maintainability.