Senior Backend Developer

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 Developer based in Brazil. As a Senior Backend Developer, you will play a key role in designing and building scalable, high-performance backend solutions that support a large-scale international B2B commerce ecosystem. You will lead the development and evolution of microservices, APIs, and distributed systems, ensuring reliability, security, and operational excellence. Working with modern technologies such as Kotlin, Java, and Spring Boot, you will help deliver robust solutions that support business growth and improve digital commerce experiences. You will collaborate with cross-functional teams, contribute to architectural decisions, and drive continuous improvements across the engineering lifecycle. The role offers the opportunity to take ownership of critical services, from initial design through production deployment. You will also mentor fellow engineers, promote engineering best practices, and help shape the future of cloud-native technology in a collaborative, international environment.