Cosmin Harangus
Senior Software Engineer at zerohash
Cluj-Napoca, Romania
Summary
👤
Senior🎓
Top SchoolCosmin Harangus is a Senior Fullstack Software Engineer and former CTO with 14+ years building high-performance, production-grade systems in Go and Elixir. He has architected a European crypto exchange, authored an open-source Go matching engine capable of 200k+ trades/sec, and scaled an AI chatbot to serve non-third-party requests in under 50ms with zero DB hits. Comfortable across frontend (React since its early days, Tailwind) and cloud-native infra (Docker, Kubernetes, AWS/GCP), he thrives on solving distributed systems and latency challenges. He’s led product- and engineering-focused teams, advised startups, and repeatedly applies pragmatic open-source tooling to accelerate delivery. Based in Cluj-Napoca, Romania, he’s currently focused on roles where Go or Elixir can deliver immediate impact.
14 years of coding experience
4 years of employment as a software developer
MS, Information Technology, MS, Information Technology at Babeș-Bolyai University
English, Romanian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (87)
kitematic10
sql9
toolbox9
switch9
imap-client9
zend-framework9
json9
sqlite9
nodejs9
microsoft-sql-server9
database8
react-component8
javascript8
rendering8
docker-container8
Programming languages (8)
Github contributions (5)
ZendExperts/ZeDb
Aug 2012 - Oct 2014
Contributions:13 commits in 2 years 2 months
zf2data-storedatabaseretrieve
Around25/docker-precommit-base
Jan 2020 - Apr 2022
A docker image that allows you to run pre-commit checks for Python, Node or Go
Contributions:1 PR, 6 pushes, 2 branches in 2 years 3 months
golangpythondocker-imagepre-commitdocker
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