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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 playing around with ChatGPT and Midjourney around a year ago. I quickly became fascinated by the possibilities offered by those AIs.
  • They both evolved in quite interesting ways but still remain limited in various aspects.
  • I started trying different LLMs to understand better the way they work and how they can be used.
  • I started coding tools that would allow me to do certain tasks quicker.
  • I learned to use LlamaIndex, a Data Framework for LLM Applications, and build a document parser (leveraging data segmentation and Embeddings) that I could use to quickly summarize and search trough them (using Deno for the back-end and Vue3 for the front)
  • I am currently working on different personal projects that help me dig deeper into this fascinating world