Julian Haag
Lead Developer Digital Process & Innovation
Cologne Bonn Region Germany
Summary
👤
Senior🎓
Top SchoolJulian Haag is a Lead Developer in Digital Process & Innovation with 8 years of hands-on experience building backend systems, developer tools, and games across startups and enterprise projects. He has led backend and infrastructure work for high-profile projects like Viewstats (supporting MrBeast initiatives), delivered Kotlin backend features at Finanzguru, and founded Byteverse Studio while consulting as a freelance software engineer. Comfortable moving between leadership and individual contributor roles, he combines technical depth in backend systems with product-minded delivery and a history of shipping interactive experiences (Roblox/Minecraft). An avid problem-solver, Julian ranks in the top 0.9% worldwide on Codingame’s ClashOfCode, reflecting strong algorithmic chops beyond his production engineering work. Based in the Cologne–Bonn region, he brings entrepreneurial initiative and a steady track record of turning complex requirements into practical, scalable solutions.
8 years of coding experience
5 years of employment as a software developer
Math and physics, Math and physics at Gymnasium
Github Skills (59)
minecraft10
home-assistant-integration10
roblox10
garbage10
animation9
vaadin9
kotlin9
stateless9
home-assistant9
luau9
garbage-collection8
spigot8
lit8
discord-bot8
clicking8
Programming languages (7)
Github contributions (5)
Layercraft/Infos
Aug 2021 - Dec 2022
Contributions:53 commits, 33 pushes, 3 branches in 1 year 5 months
Newspicel/mc-kotlin
May 2023 - Feb 2025
Contributions:10 releases, 13 pushes, 12 tags in 1 year 9 months
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