~/lilian/profile Tech lead at 4SH · Kotlin/backend · OSS maintainer

Reliable systems. Open source that lasts.

I’m Lilian Gallon, a tech lead based in Bordeaux. I build production-grade Kotlin systems and maintain tools that make complex engineering work feel simpler.

Explore GitHub Say hello

profile.kt

val lilian = Engineer(
  focus = "reliable systems",
  language = Kotlin,
  mode = OpenSource,
)

01 / Role

Tech lead 4SH · Bordeaux, France

02 / Focus

Kotlin / backend Production systems & tooling

03 / Community

800k+ downloads Across Minecraft mods

01 / Selected work

Projects I keep moving forward.

Libraries, developer tools, and community projects I actively build or maintain. Each one removes a little friction from someone’s day.

Maintainer · Kotlin · EV roaming

OCPI Toolkit

The reference Kotlin library for implementing OCPI: production-ready protocol logic, validation, and transport-agnostic foundations.

Creator · KSP · Kotlin

Konstruct

A Kotlin Symbol Processor that generates kotlinx.serialization serializers for domain types you don’t control—without the boilerplate.

Creator · Java · Multiloader

Minecraft mods

Accessible, lightweight quality-of-life mods: controller-friendly aim assistance and clear, hidden horse statistics.

Contributor · TypeScript · Obsidian

Obsidian Jira Issue

A community-led continuation of the Jira integration for Obsidian, keeping issue context readable and useful inside notes.

02 / About

Built with care. Maintained with patience.

I like software that stays understandable as it grows: explicit trade-offs, useful abstractions, and tools people can trust in production. Open source is where I keep that craft visible.

Away from the keyboard: surfing whenever the Atlantic cooperates—and negotiating water rights with a 31 kg dog who loves to swim.