Responsibilities: * Design, develop, and maintain high\-quality applications. * Participate in the full software development lifecycle, including planning, development, testing, deployment, and maintenance. * Collaborate with cross\-functional teams to analyze requirements and define technical solutions. * Write clean, efficient, and well\-documented code. * Troubleshoot, debug, and upgrade existing applications * Ensure the performance, quality, and responsiveness of applications. * Conduct code reviews to ensure code quality and adherence to best practices. * Stay up\-to\-date with the latest industry trends and technologies Qualifications: * **Be available to attend offices two days a week in Mexico City** * 7\+ years backend development * Last 3\+ years hands\-on with Node.js, TS , Express.JS * Strong Typescript (TS \- not basic JavaScript) * Production experience * Currently coding in the project * GitHub / Portfolio / Blogs: Active repositories or technical posts ( Good to have, not mandatory)