Andrei Horak
Tech Lead at WeTransfer
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolAndrei Horak is a tech lead and back-end focused software engineer with 12 years of experience, currently leading platform and architecture work at WeTransfer from Amsterdam. He has a strong track record evolving monolithic Rails systems into decoupled, high-performance services and driving architecture, testing, and performance improvements across the stack. His background spans Ruby, Python and microservice caching research from his MSc work, giving him a pragmatic mix of academic rigor and hands-on delivery. Known for taking ownership of both design and implementation, he routinely mentors teams while keeping an eye on scalability and observability. An understated strength is his experience turning legacy codebases into well-tested, maintainable systems—balancing short-term feature needs with long-term architectural health.
12 years of coding experience
7 years of employment as a software developer
Liceul "Grigore Moisil" TimisoaraMaster of Science (MSc) Computer Software Engineering, Master of Science (MSc) Computer Software Engineering at University of AmsterdamLiceul Teoretic "William Shakespeare" TimisoaraBachelor of Engineering - BE Computer Science, Bachelor of Engineering - BE Computer Science at Universitatea „Politehnica” din Timișoara
Romanian, English, French
Stackoverflow
17,410reputation
2.5mreached
107answers
333questions
python
top-5%
zsh
top-5%
html
top-5%
json
top-1%
Github Skills (200)
python10
multithreading10
image-processing10
testing10
bmp10
aiff10
ruby10
webp10
heic10
file-parser10
ruby-client10
extensible10
rack10
libvips10
graphicsmagick10
Programming languages (10)
Github contributions (5)
linkyndy/pallets
Apr 2016 - Oct 2020
Simple and reliable workflow engine, written in Ruby
Contributions:277 commits, 102 PRs, 123 pushes in 4 years 6 months
reliableworkflow-enginerubyworkflow
linkyndy/expert-systems
Mar 2015 - Aug 2016
Contributions:19 commits, 1 PR, 6 pushes in 1 year 4 months
expert-systemone-languageexpertone-programming-languageprogramming-language
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