Back End Developer

Position: Senior Back\-end / Platform Engineer Location: Brazil (100% Remote) Mode: Contract About the Role: We are looking for a talented and experienced Back\-end / Platform Engineer to design, build, and optimize scalable APIs and backend services. This role is fully remote and offers the opportunity to work with cutting\-edge technologies like GraphQL, Node.js, and cloud platforms. You will collaborate closely with product, data, and application teams to create high\-performance, reliable systems. Key Responsibilities: * Design, develop, and maintain GraphQL and REST APIs * Build and optimize backend services interacting with SQL 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 and Kubernetes * Work with cloud platforms (AWS or OCI) to build scalable, reliable systems * Monitor, troubleshoot, and optimize application and database performance * Participate in architecture discussions and mentor junior engineers Required Skills \& Experience: * 6\+ years of experience in software engineering or backend development * Strong experience in API development (GraphQL and REST) * Proficiency in Node.js and TypeScript * Experience with database design \& optimization (SQL \& NoSQL) * Hands\-on experience with cloud platforms (AWS or OCI) * Familiarity with containerization and orchestration (Docker, Kubernetes) * Proficiency in at least one additional backend language: Java (Spring Boot) or Python * Strong problem\-solving skills, collaborative mindset, and attention to code quality Why Join Us: 100% remote work from Brazil Work on modern, scalable backend systems Opportunity to collaborate with cross\-functional teams and mentor others