Tata Consultancy Services (TCS) is a global IT services, consulting, and business solutions organization, part of the Tata Group. With a presence in more than 50 countries, TCS partners with some of the world’s largest enterprises to design, manage, and transform their technology environments. We are committed to long-term career development, continuous learning, and operational excellence. We are currently seeking a Fullstack Mobile Developer to join our infrastructure operations team. This role is aimed at professionals with extensive experience in development and integration, capable of contributing to high-quality, scalable solutions. General Objective Develop and maintain mobile applications using React Native, ensuring quality, performance, and efficient integration with backend services and cloud platforms, following best development practices and project standards. Mobile Development Activities Implement interfaces in React Native using reusable components Manage application state using project-defined tools (Redux, Context, etc.) Implement navigation between screens following the defined stack Optimize rendering performance and handling of lists and images Service Integration Consume APIs (REST/GraphQL) defined by the business Implement error handling, timeouts, and retry mechanisms Integrate logging and monitoring mechanisms Backend (Node.js) Develop and maintain APIs using Node.js (Express/NestJS) Implement business logic and communication with external services and databases Cloud (AWS) Configure and use AWS services according to project architecture (Lambda, API Gateway, S3, etc.) Support deployments and service monitoring Quality and Best Practices Create small, traceable pull requests (PRs) Follow code standards (linters, conventions) Perform controlled refactoring Environment Management Work across different environments (dev, QA, stage, prod) Configure local environments and test builds Technical Requirements Mobile Frontend Experience with React Native JavaScript / TypeScript Hooks and state management (Redux, Context, Zustand, etc.) Navigation (React Navigation or similar) Performance optimization Integrations REST/GraphQL API consumption Error handling and service resilience Backend Node.js (Express or NestJS) API design Database management Cloud AWS (Lambda, API Gateway, S3, CloudWatch) Basic cloud architecture concepts Tools & Quality Git (PR-based workflow) ESLint / Prettier Debugging and logging What We Offer Long-term employment stability within a global organization Full legal benefits in accordance with Mexican law Additional superior benefits beyond statutory requirements Career growth opportunities within a structured corporate environment Continuous learning and exposure to large-scale, complex systems