Data Engineer / Backend Platform EngineerLocation: Brazil (Remote)Employment Type: ContractWork Mode: 100% RemoteRole OverviewWe are hiring experienced Data Engineers / Backend Platform Engineers to build scalable, high-performance data-driven backend systems. The focus is on API development, cloud-native architecture, and distributed data platforms.Required Skills & Experience- 6+ years of software engineering or backend development experience - Strong experience in API development (REST & GraphQL) - Solid understanding of database design, optimization (SQL & NoSQL) - Hands-on experience with cloud platforms (AWS or OCI) - Strong experience with Docker and Kubernetes - Proficiency in at least one backend language: - Java (Spring Boot) OR - Python OR - Node.jsKey Responsibilities- Design, develop, and maintain scalable data-driven APIs (REST & GraphQL) - Build and optimize backend services connected to relational and NoSQL databases - Design and manage GraphQL schemas, resolvers, and API performance - Implement API security, versioning, and governance best practices - Deploy and manage services using Docker & Kubernetes - Work with AWS or OCI cloud services to build scalable systems - Monitor, troubleshoot, and optimize application and database performance - Participate in architecture discussions and mentor junior engineers - Collaborate with data, product, and engineering teams