Juliano Penna

I created this in response to the challenge of building the online multiplayer Conway's Game of Life—a zero-player math game in which the arrangement of the board cells automatically changes based on the user's initial disposition of cells.

It was built using Node.js on the back end and Vue.js on the front end. The board was created using the Canvas HTML element. In the repositories is extensive documentation on the decisions and trade-offs incurred during the application development.

The back-end code can be found at the link above. The repository has a reference to the front-end code and a live demo.

Here you can find my cryptocurrency bot in an unfinished state and built on Node.js.

It was designed for multiple accounts, currencies, exchanges, and strategies and also supported an extension of its features, and is fully modularized. It also includes my custom-built logging system, which works similarly to a simple file database.

A separate service provides the data collected from the exchanges while logging it for later backtest runs (running the strategy on a historical data set to verify its performance). The data collector can be found by following a link in the bot's description.

I developed an inventory control application for the Chinese market; it follows Chinese mobile application design styles.

I did this as a personal project that could lead to a new business. I created the interface, UX, and feature requirements. It was developed with Adobe XD.

A simple offline application that is 100% covered by unit tests and built on React and Redux, Bulma style framework, bundled and transpiled with Webpack and Babel. For tests, it used Mocha, Chai, Sinon, and Enzyme.

This was built in Node.js to handle exit hooks for when an application is unexpectedly terminated.

It was developed to be used by a cryptocurrency bot that required child processes and services to finish their work before the main application could be terminated.

A tool used to match different internationalization files and their translated strings to check any missing translations and create a report on the missing parts.

It was used to confirm that all the application texts had a corresponding translation in all the languages provided.

This was a sample project for a client. It is an automated player for roulette in online casinos that reads the drawn number with image recognition and automatically selects the following numbers by moving the cursor and clicking, following the player's "strategy." It uses number recognition and a library to interface with the operating system.