Hi, I'm Julien!

Software Engineer at PostFinance

About Me

Software Engineer at PostFinance, part of a platform organization powering an internal microservices application. My work spans CI/CD pipeline design, Kubernetes-based infrastructure, and backend development with Java and Spring Boot.

Certified in Kubernetes, Google Cloud, and Terraform, with experience in container orchestration, GitOps, and CI/CD pipelines. Passionate about building robust, distributed backend systems and streamlining automated deployments.

Projects

Featured

Mio Guide Cane

A cane add-on that leverages OpenMV machine vision to detect lines and codes on the floor, providing accessible navigation for visually impaired users through audio feedback.

  • # OpenMV
  • # Arduino
  • # C++
  • # MicroPython
  • # Bluetooth
View on GitHub

Note: See CONTRIBUTORS.md for credits.

Featured

Mio Guide App

A progressive web app that assists visually impaired users during museum visits through text-to-speech, gesture-based navigation, and a QR code scanner for reading exhibit descriptions.

  • # Angular
  • # TypeScript
  • # HTML
  • # CSS
  • # Web APIs
  • # GitHub Pages
View on GitHub

Note: See CONTRIBUTORS.md for credits.

clio

A terminal-based coding assistant built in Go, backed by an LLM with tool use capable of reading and writing files, running shell commands, and helping with coding tasks.

  • # Go
  • # LLM
  • # OpenAI API
  • # Bubble Tea TUI
  • # OpenRouter
View on GitHub

GoKart

A lightweight reverse proxy with configurable authentication and TLS support, designed for Kubernetes sidecar deployments where auth is handled at the proxy level.

  • # Go
  • # Reverse Proxy
  • # JWT
  • # TLS
  • # Kubernetes
  • # Docker
View on GitHub

RaftStore

A distributed key-value store providing strong consistency through the Raft consensus algorithm, built with Apache Ratis and exposing a non-blocking HTTP endpoint via Spring WebFlux.

  • # Apache Ratis
  • # Spring Boot
  • # Spring WebFlux
  • # Java
  • # Gradle
View on GitHub

Cloud Notify

An extensible notification system on GCP that dispatches messages to a Discord webhook, powered by Cloud Functions and PubSub with Terraform-managed infrastructure.

  • # GCP
  • # Terraform
  • # PubSub
  • # Cloud Functions
  • # Go
View on GitHub

GoBalance

A reverse proxy load balancer written in Go that distributes incoming HTTP requests across multiple backend servers using a round-robin strategy.

  • # Go
  • # HTTP
  • # Load Balancing
  • # Reverse Proxy
  • # Networking
View on GitHub

Counterwatch

A web app for looking up hero counters in Overwatch, letting users search for any hero and instantly see which characters counter them.

  • # React
  • # JavaScript
  • # HTML
  • # Tailwind CSS
  • # GitHub Pages
View on GitHub

Certifications

HashiCorp Certified Terraform AssociateGoogle Cloud Associate Cloud EngineerCertified Kubernetes Application Developer

Skills

Java
Go
Python
JavaScript
TypeScript
Spring
React
Angular
MongoDB
GitLab
Kubernetes
Docker
Helm
ArgoCD
Terraform
Google Cloud