Role:Backend Engineer / Platform Engineer Location:Brazil (Remote) Contract Type:Contract (B2B)Mandatory Skills GraphQL API Development Node.js TypeScript Required Skills & Experience 6+ years of experiencein software engineering or backend development Strong experience buildingAPIs using GraphQL and REST Solid understanding ofdatabase design and optimization (SQL and NoSQL) Hands-on experience withcloud platforms (AWS or OCI) Experience withcontainers and orchestration tools (Docker, Kubernetes) Proficiency in at least one backend language such asNode.js, Java (Spring Boot), or Python Key Responsibilities Design, develop, and maintaindata-driven APIs using GraphQL and REST Build and optimize backend services interacting withrelational and NoSQL databases Design and manageGraphQL schemas, resolvers, and API performance Collaborate withdata, product, and application teamsto define data access patterns ImplementAPI security, versioning, and governance best practices Deploy and manage services usingDocker and Kubernetes Work withAWS or OCI cloud servicesto build scalable and reliable systems Monitor, troubleshoot, and optimizeapplication and database performance Participate inarchitecture discussions and mentor junior engineers