Fernando Hernández Loeza

Full Stack Developer

A driven and adaptable Full Stack Developer with 2 years of experience and a strong foundation in mechatronics engineering. Transitioned from a maintenance engineer to a developer to leverage my problem-solving skills and technical expertise to create innovative software and IoT solutions.

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Projects

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Spumma

Spumma is an IoT project that provides a POS for a laundry bussines. Spumma uses ESP32 powered devices to control and monitor laundry machines. It uses MQTT to communicate between devices and a server. The server is built with PHP and MariaDB. The frontend is built with Bootstrap. The project also has a Python script that bridges the communication between the devices and the server. I uses Web Socket to display the machine status in real time.

  • MariaDB
  • PHP
  • Bootstrap
  • Node.js
  • Python
  • ESP32
  • MQTT
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3D and AR Interactive Tour

This project was developed for a real estate company. It is a 3D and AR interactive tour that allows the user to explore the property in 3D and AR. The project was built using Three.js and Vite. The 3D models were created with Blender and the AR was built with Google's model-viewer.

  • Vite
  • Three.js
  • Blender
  • TailwindCSS
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Dockyhub

Dockyhub is an platform designed specifically for university professors to share class documents seamlessly. This platform provides an efficient way for educators to upload, organize, and distribute educational materials, ensuring that students have easy access to all necessary resources.

  • Supabase
  • Next.js
  • OpenAI
  • TailwindCSS
  • Pinecone
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My OM Assistant

My OM Assistant is a voice assistant that helps you monitor and understand the state of buildings. It is paired with a Digital Twin that allows you to see the building in 3D and AR.

  • Python
  • Three.js
  • OpenAI
  • Langchain
  • HomeAssistant

Experience

  1. Full Stack Developer

    at MM Soluciones Unificadas

    As a Full Stack Developer, I lead diverse IoT system projects, leveraging technologies such as Python, Node.js, React, and PostgreSQL. I also integrate advanced technologies like Generative AI and web-based 3D visualizations.

  2. Maintenance Engineer

    at Tetra Pak

    I diagnosed and repaired large, complex, and highly automated machines, using PLC and HMI programming with TIA Portal, Step7, and WinCC. I automated administrative tasks with Python, reducing record-keeping time significantly. I also redesigned an electric trolley control unit, cutting repair costs from $30,000 MXN to $500 MXN.

  3. Photovoltaic Park Monitoring

    at IUSASOL

    I diagnosed and repaired large, complex, and highly automated machines, using PLC and HMI programming with TIA Portal, Step7, and WinCC. I automated administrative tasks with Python, reducing record-keeping time significantly. I also redesigned an electric trolley control unit, cutting repair costs from $30,000 MXN to $500 MXN.