Job Title: Senior Data Engineer (Node.Js / TypeScript)Location: Remote – BrazilJob DescriptionWe are seeking a Senior Data Engineer with strong Node.Js and TypeScript expertise to build scalable backend systems and data services. The ideal candidate will have recent hands-on experience with Node.Js, strong database expertise in MongoDB and SQL, and experience building high-performance APIs.This role focuses on designing and developing scalable backend services that support high-volume data processing and integration across digital platforms. Experience with GraphQL is preferred but not mandatory.Key Responsibilities- Design, develop, and maintain scalable backend services using Node.Js and TypeScript.- Build and optimize REST/GraphQL APIs for high-performance data access and integration.- Develop and maintain data models and database schemas across MongoDB and SQL databases.- Implement scalable data ingestion and processing pipelines.- Work with distributed systems in a cloud-based environment.- Ensure performance optimization, reliability, and scalability of backend services.- Collaborate with cross-functional teams including product, architecture, and engineering.- Participate in Agile/Scrum ceremonies such as sprint planning, stand-ups, and retrospectives.- Follow DevOps best practices, including CI/CD, testing, and monitoring.Required Skills- 5+ years of experience in backend engineering or data engineering.- Strong recent hands-on experience with Node.Js.- Proficiency in TypeScript and JavaScript.- Strong experience with MongoDB and SQL databases.- Experience building REST APIs or GraphQL APIs.- Solid understanding of data modeling and database design.- Experience working in cloud environments (AWS preferred).- Familiarity with CI/CD pipelines, testing frameworks, and modern development practices.Nice to Have- Experience with GraphQL architecture or schema design.- Experience with distributed systems and high transaction platforms.- Knowledge of ETL pipelines and data processing frameworks.- Experience working in digital media, sports, or high-scale consumer platforms.Education- Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience.