Robin Rolf
Software Developer at Cookieverse Ltd
Wakefield, England, United Kingdom
Summary
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RockstarRobin Rolf is a pragmatic full-stack software developer with 12 years of experience building games, apps and web systems from Wakefield, England. Currently at Cookieverse and with a recent stint as Senior Unity Engineer at Branch, he specializes in performance-sensitive backend work for real-time and game systems. His open-source contributions include stabilizing and optimizing the widely used Mirror Unity networking library—fixing memory leaks, reducing GC pressure and adding features like scene interest management and ZigZag VarInt compression. Equally comfortable improving operational robustness, he has enhanced tooling such as Minecraft-Overviewer with process management and run-control safeguards. Colleagues rely on him to spot and eliminate subtle runtime issues that only show up under load, turning hobbyist creativity into reliable production code.
12 years of coding experience
11 years of employment as a software developer
German, English
Github Skills (14)
unity3d10
file-handling10
mirror10
memory-management10
process-management10
game-development10
csharp10
performance-optimization10
python10
networking10
dotnet-core10
tcp9
minecraft9
udp9
Programming languages (13)
Github contributions (5)
MirrorNetworking/Mirror
Jan 2019 - Sep 2022
#1 Open Source Unity Networking Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:42 reviews, 23 commits, 80 PRs in 3 years 8 months
Contributions summary:Robin focused on improving the Mirror networking library's stability and performance. They addressed memory leaks and incorrect object destruction in client and server code. The user also implemented performance optimizations by reducing garbage collection in critical code paths, enhancing the efficiency of the `IsDirty` function. Additionally, they introduced new features like scene interest management and ZigZag VarInt Compression.
unity-networkinglibuvunitytelepathymirror
overviewer/Minecraft-Overviewer
Nov 2013 - Nov 2013
Render high-resolution maps of a Minecraft world with a Leaflet powered interface
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits in 5 days
Contributions summary:Robin made several contributions related to process management and application behavior. Their work includes adding a "pid" option for specifying a process ID file, which allows better control and monitoring of the application. They also implemented checks to prevent multiple instances of the application from running and updated the code to handle negative maxzoom values. These changes indicate a focus on improving the application's operational aspects and user experience.
leafletrenderminecraftskycrossword
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