About the job
ALTEN México is on the lookout for a Mid-Level React Native Mobile Developer to join our dynamic team responsible for developing the AT&T Super App. The ideal candidate will possess a strong background in high-traffic mobile applications, extensive knowledge of React Native, and expertise in performance optimization. You will play a crucial role in implementing and enhancing critical functionalities within a TelCo ecosystem and digital services. Collaborating closely with Product, Architecture, QA, and DevOps teams in an agile environment, you will ensure the application's quality, stability, and ongoing evolution.
Main Responsibilities
- Develop, enhance, and maintain key features of the Super App using React Native.
- Refine screens, flows, forms, validations, and reusable UI components.
- Integrate REST/GraphQL APIs and manage errors, authentication, timeouts, and telemetry efficiently.
- Optimize mobile performance (rendering, lists, images, caching) to ensure a seamless user experience.
- Address and fix bugs, crashes, and compatibility issues on both iOS and Android platforms.
- Conduct root cause analysis and document findings, solutions, and validation of fixes.
- Maintain high code quality through small, clear PRs aligned with repository standards.
- Work with dev/qa/stage/prod environments and assist in generating test builds.
- Collaborate closely with Product, QA, Architecture, and DevOps teams using agile methodologies.
- Contribute to the health of the codebase through targeted refactoring when necessary.

