Yoann Michel Erwin Latzer

Working with PROTONU to deliver full-stack web software to support the Metaverse Experience, an interactive museum installation.

My tasks was to build a back-end for an RFID registration/login system, which allows visitors to link a virtual avatar with their RFID wristband.

I implemented several mini-games (quizz, matching games, ...), where visitors could login using their wristband and see their live score on a main display.

Using Redis as a cache and RabbitMQ to process all signals from the different games allowed me to deliver a very reliably locally deployed software. I also built a simple custom CMS so that each game's content can be easily updated.

A Python WebSocket back-end with a React.js front-end. The idea was to make a very minimalist back-end which can load and save data to a .json file.

The front-end would then load this data and display an interactive interface. Every action on this interface (creating a new element, linking two existing elements using .svg arrows, ...) triggers a WebSocket message. The back-end would then interpret front-end messages in order to instantly save the current state into the .json file.

Building and maintaining back-end services to gather and store data produced by IoT devices in the city of Enschede. This project is built in collaboration with the Municipality of Enschede. Back-end: Python + Flask & SQLAlchemy, PostgreSQL + PostGIS database Front-end: Grafana, Reactjs