Cezar Craciun
Software Engineer at Stripe
Bucharest, Romania
Summary
👤
Senior🎓
Top SchoolCezar Craciun is a software engineer with nine years’ experience building reliable, large-scale systems, currently driving reliability and self-serve automation at Stripe’s Romania office. As an early local hire he helped grow the team from 3 to 50+ engineers while delivering systems that push API uptime above 99.999% and an SLA reporting pipeline with per-merchant granularity. He designs proactive incident notification and health-alerting tools and built a localization pipeline for an LLM/RAG-powered help widget that cut support costs by roughly $1.2M annually across 12+ languages. With a strong background in cybersecurity (Master’s focused on browser-based fileless malware) and a bachelor’s project in AR-based e-learning, he blends security-minded engineering with curiosity about web, AR, AI, and new tooling.
9 years of coding experience
Academia de Studii Economice BucurestiBachelor's degree, Economic Informatics, Bachelor's thesis: E-learning using augmented reality, Bachelor's degree, Economic Informatics, Bachelor's thesis: E-learning using augmented reality at Facultatea de Cibernetica, Statistica si Informatica Economica
Romanian, English, German
Github Skills (54)
crypto10
visitors10
cpu10
miner10
monero10
git-checkout10
webassembly10
visx10
html5-canvas9
visualization9
drawing9
typescript9
image-editor9
svg9
react9
Programming languages (4)
Github contributions (5)
craciuncezar/Simple-web-image-editor
Sep 2018 - Dec 2021
🎨 A simple image editor web app built with vanilla Javascript and HTML5 Canvas.
Contributions:22 commits, 19 PRs, 22 pushes in 3 years 4 months
vanillaweb-editorcanvasjavascriptvanilla-js
craciuncezar/browser-cryptominer
Jun 2020 - Jan 2022
🪙 Web crypto miner client implemented using wasm and web workers. Use the CPU of the website visitors to mine monero.
Contributions:1283 commits, 8 PRs, 1276 pushes in 1 year 7 months
cpuweb-cryptoweb-workersrustmonero
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