Joshua Trees
Freelance Backend Developer at Netze BW GmbH
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolJoshua Trees is a freelance backend developer based in Berlin with 11 years of experience helping organizations keep software healthy, maintainable, and scalable. He focuses on clean code, testing, reducing technical debt, up-to-date dependencies, documentation, automation, and DevOps integration to enable iterative business growth. His background ranges from founding startups to deputy software department leadership and long-term freelance engagements at companies like Netze BW and WERTGARANTIE, giving him both entrepreneurial grit and enterprise experience. Joshua consistently brings practical automation—scripts and CI/CD pipelines—to bear so teams can move faster without accruing fragility. He studied Digital Media and Communication Design, which informs a pragmatic, user-aware approach to backend systems. Outside the obvious, he prioritizes sustainability in codebases, treating maintenance as a first-class product concern rather than an afterthought.
11 years of coding experience
6 years of employment as a software developer
Communication Design, Communication Design at School of Architecture and Design - King Mongkut's University of Technology Thonburi, BangkokBachelor of Science - BS, Digital Media, Bachelor of Science - BS, Digital Media at University of Bremen
English, German
Github Skills (200)
vala10
proton10
vim10
whatsapp10
matrix10
vk10
file-sharing10
xmpp10
nixpkgs10
php10
twitch10
nix10
language-server-protocol10
collaboration10
kakoune10
Programming languages (31)
Github contributions (5)
jtrees/nixpkgs
May 2021 - Aug 2025
Nix Packages collection
Contributions:34 pushes, 34 branches in 4 years 2 months
nixosnix-packages
jtrees/discord-availability
Jun 2023 - Dec 2024
Discord Availability is a discord bot used to track who will be available for dota.
Contributions:9 pushes, 9 branches in 1 year 6 months
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