• Design, develop, and maintain scalable backend services running in AWS. • Contribute to system architecture and technical design for large-scale, distributed cloud deployments. • Develop and maintain services using Node.js and other backend technologies. • Work with PostgreSQL, including schema design and query performance optimization. • Design, implement, and test infrastructure-as-code using AWS CDK. • Build and maintain frontend applications using React. • Contribute to mobile applications built with React Native for Android and iOS. • Ensure high standards of code quality, testing, reliability, and security. • Collaborate closely with product, QA, and operations teams while maintaining strong individual ownership. • Take responsibility for full task ownership, including development, testing, deployment, and production readiness.