Hello, I'm Julien.

With over a year of experience in DevOps and system administration, I have gained solid experience in managing virtualized infrastructures, automating CI/CD deployments, and observability.

My areas of expertise:

DevOps Infrastructure (CI/CD, Docker, GitLab)
Mobile Robotics & Computer Vision
Linux Administration & Monitoring
Machine Learning & Embedded Systems
IoT & Prototyping

View my CV (PDF)

👋

About me

My name is KOLANI Julien Yendoupabe, currently finishing a Master's degree in Computer Science and Systems, a joint program between UTBM (France) and the University of Lomé (Togo).

Curious, rigorous, and passionate about intelligent technologies, I have a strong interest in Edge Computing, IoT, DevOps, robotics, and applied artificial intelligence.

julien@devops-bot:~

Experience

Aug 2023 - Oct 2024

DevOps / System Administrator

DAC Technologies

Design and optimization of GitLab CI/CD pipelines. Dockerfile optimization (Multi-stage builds, cache), reducing build time by 80%. Migration to Nginx Unit. Deployment of Loki/Grafana/Promtail stack. Teleport cluster and Keycloak (SSO).

Since 2023

Web Administrator & Active Member

CoTIA

WordPress site management, tech events organization, AI promotion in Togo.

2024

Freelance DevOps

Allo Services

Docker Compose deployment on VPS, containerization of a Django REST API.

My Projects

Here are some of my recent projects. I'm always working on new ideas!

Tank Arena - Augmented Reality Game

Specialty Project - UTBM | 2025

Development of a game where two small mobile robots (TurtleBot) face off in a physical arena. A camera films the arena from above to detect robot positions using visual markers. One robot is controlled by the player with a controller, the other by an AI that decides when to attack, flee, or navigate around obstacles. A projector displays game elements (scores, lasers, effects) directly on the game table.

Intel RealSense ArUco Filtre de Kalman Behavior Tree A* Pure Pursuit WebSocket ROS Pygame

GitHub

Cooperative Intersection Control

Specialty Project - UTBM | 2025

Creation of an intersection management system for LEGO Mindstorms robots. Robots arrive from a figure-8 track and must cross an intersection without collision. Three control modes were implemented: a classic traffic light, a "first come first served" queue, and an intelligent mode that gives priority to the closest robot.

MQTT Node-RED Docker Pybricks Python

GitHub

DevOps Infrastructure & Monitoring

DAC Technologies | 2023-2024

Setup of a complete infrastructure to automate web application deployments. Creation of CI/CD pipelines with GitLab to automatically build and deploy applications in Docker containers. Installation of monitoring tools (Grafana, Loki) to visualize logs and metrics in real-time. Server access security via Teleport and centralized authentication setup with Keycloak.

GitLab CI/CD Docker Nginx Unit Loki Grafana Prometheus Teleport Keycloak

Automatic Parking - Embedded AI

AI Summer School - Vallet Foundation | 2023

Design of a small vehicle capable of parking itself. A machine learning model was trained from manually collected data, then deployed on a Raspberry Pi that controls the vehicle's motors in real-time.

Python Machine Learning Raspberry Pi

View all my projects

Education

University of Technology of Belfort-Montbéliard (UTBM) & University of Lomé

2024 - Present

Master's in Computer Science and Systems (Joint Degree)

University of Technology of Belfort-Montbéliard (UTBM) & University of Lomé

Specialty: Computer Vision and Autonomous Systems (VASA). ROS/ROS2, image processing, deep learning, mobile robotics. CCNA Routing and Switching certification.