Alejandro
From Mexico (UTC-6)
Alejandro – Typescript, JavaScript, React
Alejandro is a Full-Stack Engineer with 6 years of commercial experience, specializing in React, Node.js, TypeScript, and cloud integrations. He has delivered production applications across AI-powered platforms, education, and enterprise environments, including migrating a student-facing chatbot from legacy NLP to GPT-4 and building full-stack products from the ground up. His experience spans frontend and backend development, API and third-party integrations, testing, and AI-enabled applications. Alejandro demonstrates strong technical autonomy, architectural reasoning, and a practical approach to delivering end-to-end solutions.
6 years of commercial experience in
Main technologies
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Let’s get started today!Experience Highlights
Senior Frontend Developer
AI-powered student support platform integrated with university systems, providing personalized assistance and knowledge-base Q&A through LLMs and semantic search.
- Led the migration of a legacy NLP chatbot to GPT-4 via Azure OpenAI API, improving response quality for an AI assistant serving thousands of active students;
- Developed AI-powered applications for a university client using React, Redux, JavaScript, Styled Components, and Tailwind CSS;
- Integrated university APIs and third-party services to support student-facing AI workflows, working within an Azure DevOps environment;
- Developed a bot-assisted application for prospective students and built a custom React chatbot widget for integration into university web properties;
- Improved the custom UI for AI applications, resolving CMS embedding issues and implementing minimize and fullscreen chat modes;
- Introduced TDD practices using Jest and React Testing Library and implemented Storybook for component testing and documentation;
- Maintained and improved the production university AI chatbot, resolving issues and improving code quality.
Middle Full Stack Developer
Internal lean manufacturing platform enabling employees to submit and track process improvements, supporting a company-wide recognition and rewards program.
- Developed internal applications using React, Angular, Node.js, and MongoDB to support lean manufacturing initiatives and operational improvements;
- Built a lean manufacturing application enabling employees to register and track workflow improvements, supporting the company’s monthly employee recognition and rewards program;
- Developed a data integration application using React, Angular, Node.js, Oracle, and Google APIs to import and synchronize data from Google Sheets into an Oracle database;
- Migrated the engineering team from local, USB, and email-based file sharing to Git and GitLab, and designed a standardized branching workflow for the team;
- Implemented Firebase Cloud Messaging and developed a custom Node.js library for reusable email and push notifications.
Middle Software Developer
University recruitment platform centralizing the student hiring process, enabling partner companies to publish job opportunities and recruit students while providing transparent, statistics-driven tracking of the recruitment process.
- Designed and developed the student recruitment platform within four months using Angular, Node.js, and MongoDB, centralizing a previously fragmented hiring process into a single system;
- Built functionality enabling partner companies to publish job opportunities and recruit students, while allowing students to create and print their first resumes;
- Implemented statistics-driven tracking and reporting to provide visibility into the student recruitment process;
- Developed a separate web and mobile inventory-auditing application using Angular, Ionic, Node.js, and MongoDB, supporting inventory counting, management, and statistical reporting;
- Contributed as a Full-Stack Developer to the delivery of additional client-facing products using the MEAN stack.