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Thomas John

Senior Software Developer

Freelancer Open to opportunities
Highly qualified software developer with over 20 years of professional experience. I began coding 27 years ago at the age of 16, creating chess games, FTP/HTTP/mail clients, and 3D animations that emulated the rain effect from The Matrix, earning me several online awards. In those early years and throughout the beginning of my career, I also developed various websites and promotional games in HTML, Flash, and other content management systems using PHP/MySQL.

Today, I specialize in building interactive applications, using whatever technologies are necessary to achieve the desired outcome (HTML, JavaScript, TypeScript, CSS, Vue, React, C#, Unity, Haxe, ActionScript, Canvas, OpenGL). I'm equally skilled in developing both microservices and monolithic backend systems in a variety of languages (C#, Node JavaScript, Deno TypeScript, PHP, SQL).

I adapt quickly to new technologies, whether they involve new languages, frameworks, or entire systems.
I excel at understanding new concepts, solving problems, identifying business and client needs, and maintaining a clear vision of how things work.

My ability to see the big picture, both from a business and technical perspective, allows me to challenge ideas in a practical and constructive manner, with a strong understanding of the needs and capabilities of the different actors involved.

I'm passionate about building products, whether it’s enabling customers to send digital certificates, create templates, draw on canvases, design interactive slideshows, optimize recruitment workflows with AI, or animate elements for highly interactive apps and video games. I approach system building and improvement with a clear and structured mindset, always eager to learn, driven by curiosity and creativity.
  • I started developing smart contracts on the Binance Smart Chain (Solidity) for myself. I had serveral ideas that I wanted to try to implement and see if it could work. Ideas that had sometimes a link to my then job (SmartCertificate) as we also store hashes of document on the blockchain.
  • I explored the different toolsets at the time as well as some of the patterns that are used (such as the Diamon proxy pattern) as I really needed to be able to update a contract (the blockchain is known to be immutable)
  • We never used any of what I experimented with because the blockchain at the time was still very inefficient and lacking many things that would make a technology usable for the common user.
  • I used HarHat and Truffle. Mainly on the BSC blockchain for its very low transaction fees (at the time compared to ethereum)