Back-end Engineer

**Job Title: Back\-end Engineer / Platform Engineer** **Location: Brazil (Remote)** **Employment Type: Contract** **Job Summary:** We are looking for an experienced Back\-end / Platform Engineer to design and develop scalable APIs and backend services. The ideal candidate will have strong expertise in **GraphQL, API development, Node.js, and TypeScript** , along with experience building cloud\-based applications. **Required Skills \& Experience:** * 6\+ years of software engineering or backend development experience * Strong experience with **GraphQL and REST API development** * Proficiency in **Node.js and TypeScript** * Solid understanding of **database design and optimization (SQL \& NoSQL)** * Hands\-on experience with **cloud platforms such as AWS or OCI** * Experience with **Docker and Kubernetes** for containerization and orchestration * Knowledge of backend frameworks such as **Spring Boot, Python, or Node.js** **Key Responsibilities:** * Design, develop, and maintain **GraphQL and REST APIs** * Build and optimize backend services interacting with **relational and NoSQL databases** * Design and manage **GraphQL schemas and resolvers** * Implement **API security, versioning, and governance best practices** * Deploy and manage applications using **Docker and Kubernetes** * Work with **AWS or OCI** to build scalable and reliable systems * Monitor, troubleshoot, and optimize application performance * Collaborate with cross\-functional teams and participate in architecture discussions