Frej Nielsen
Co-Owner at Suicide by Proxy
Vordingborg, Region Zealand, Denmark
Summary
🤩
Rockstar🎓
Top SchoolFrej Nielsen is a versatile software developer and co-owner of Valoks I/S with nine years of hands-on experience blending backend engineering, entrepreneurship, and creative pursuits. He contributes to notable open-source projects like PrismarineJS’s node-minecraft-protocol, where his work on chat message signing and preview handling improved protocol robustness and offline compatibility. At Valoks and previously at Langstack he pairs practical product development with operations experience gained from diverse roles in retail and logistics. Based in Vordingborg, Denmark, Frej balances technical depth with creativity as a bass guitarist and active musician in Suicide by Proxy. Known for debugging tricky protocol edge cases and updating documentation, he brings a pragmatic, security-minded approach to building reliable systems. Quietly entrepreneurial, he leverages cross-disciplinary experience to ship user-focused features and make complex integrations feel seamless.
9 years of coding experience
2 years of employment as a software developer
None None, None None at Teknisk Gymnasium Lolland-Falster
Stackoverflow
716reputation
37kreached
11answers
14questions
Github Skills (22)
server-communication10
javascript10
server-client10
client-server10
network-protocol10
protocols10
packet-parsing10
server-client-communication10
security9
typescripts8
typescript-types8
typescript8
testing7
eclipse6
fileio6
Programming languages (1)
Github contributions (5)
PrismarineJS/node-minecraft-protocol
Jan 2023 - Jan 2023
Parse and serialize minecraft packets, plus authentication and encryption.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:52 reviews, 11 commits, 25 PRs in 8 days
Contributions summary:Frej primarily focused on enhancing the chat functionality within the Minecraft protocol implementation. They addressed several bugs related to chat previews, offline server compatibility, and message verification, indicating a deep understanding of the underlying protocol and its security aspects. Their contributions involved modifying code related to message signing, preview generation, and event handling for chat messages, improving the overall robustness and feature set of the protocol. The user also updated examples and documentation to reflect the changes.
minecraftpacketsproxyprotocolauthentication
frej4189/node-minecraft-protocol
Jan 2023 - Aug 2023
Parse and serialize minecraft packets, plus authentication and encryption.
Contributions:2 PRs, 95 pushes, 39 branches in 6 months
minecraftpacketsauthenticationserializeencryption
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