Over a two-month period, contributed to the yuntasproducciones/Tami and tami-back-teams repositories by delivering 18 new features and resolving 13 bugs, focusing on chatbot enhancements, admin content management, and branding consistency. Leveraged TypeScript, React, and Astro to implement rich text editing, dynamic product linking, and improved chatbot transparency, while optimizing SEO and accessibility through semantic HTML and ARIA-labels. Integrated API-driven configuration management and caching strategies to streamline chatbot workflows and performance. Collaborated on database migrations and CI/CD pipelines, ensuring stable deployments and reliable integrations. The work emphasized maintainable code, user experience improvements, and robust backend and frontend coordination.