It's hard to read in the format it is right now - it is nice to have stuff broken into multiple sections as it is easy to read - even if you only have 1 item in each section. You're writing this for the purpose of getting invited to the interview/get hired, so do anything you have to, to make the decision easier for the people reading your resume :). Here's how I'd break it up:
2017 - .... Backend developer at Archipad.com, Sophia-Antipolis
Backend developer working on API and message queues with Ruby, Redis, Docker, ....
2017 Code paste bin
Built a code pastebin equivalent with Golang and Redis, hosted on my own server
2016 Picture image hosting Android client
An Android app built with Java/Kotlin. Available at http:/...
2017 - 2018: License of computer science, Nice
Arithmetics, development, electronics and OO basics
2016 - 2017: DUT (HND equivalent), Sophia-Antipolis
Systems' architecture, networking and distributed computing
2015 - 2016: DUT (HND equivalent), Nice
Development and OO basics, databases
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