Role: Data Engineer III (API) or Software Engineer with Data Experience Location: Brazil (Remote) Mode: ContractImportant We need someone who have recent hands-on experience in Nodejs and strong experience in MongoDB, Typescript, SQL, AWS and API. Having GraphQL Knowledge is good but not entirely Mandatory.About the Role We are looking for a senior-level engineer with strong backend and data expertise. The role centers onNode.js, TypeScript, APIs, and database modellingwith exposure to cloud services.Responsibilities Build and manage APIs (REST & GraphQL). Design and optimize data models (MongoDB, NoSQL, relational). Work on schema design, indexing, and transactions. Develop ETL pipelines and data ingestion workflows. Collaborate on backend architecture with containers and cloud (AWS/OCI).Requirements 6+ years of software/data engineering experience. Strong skills inNode.js, TypeScript, and database modelling. Experience with GraphQL, MongoDB, and NoSQL. Knowledge of software engineering best practices. Cloud (AWS/OCI) and container experience. Excellent communication skills.Nice to Have Messaging systems (Kafka, RabbitMQ). Event-driven architecture.