• Back end as much as front end development (web & mobile)
• Kotlin Multiplatform (KMP)
• Native Android & iOS app development
• Web development (via TypeScript, React.js, Tailwind CSS, & Remix)
• Declarative UI toolkits (via Jetpack Compose, SwiftUI, & React.js)
• Software architecture & modularization
• Structured concurrency (via Kotlin coroutines & Swift 5.5)
• Reactive programming
• Functional programming (via Kotlin Λrrow, Scala Cats, & Haskell)
• State management patterns (via Redux, state machines, & others)
• Algorithms & data structures
• Domain modeling & database design (via PostgreSQL, AWS DynamoDB, & AWS Neptune)
• Graph databases (via AWS Neptune & Neo4J)
• Cloud native & serverless computing (via AWS serverless services)
• The microservice architecture (via Spring & Kubernetes)
• The Gradle build tool
• Data science, machine & deep learning (via PyTorch, Hugging Face, & OpenAI models)
• Minimal operating systems (via Arch Linux, Gentoo, Linux From Scratch, & the Linux kernel)
• User interface & experience design (via Figma)
• 3D modelling & digital illustrations (via Cinema 4D & Illustrator)
• Vim & Emacs keybindings in IntelliJ IDEA

Most of my GitHub repositories gather the various experiments I conduct while reading technical books or video courses. Hopefully, you will find a valuable piece of code you were looking for.

Your best bet is to direct message me on Twitter @_gressier, but a little email works just as well.