Alexandru Calin
Frontend Team Lead at Sofitect
Bucharest, Romania
Summary
👤
Senior🎓
Top SchoolAlexandru Calin is a Frontend Team Lead and software architect with over a decade of experience designing high-performance web applications across gaming, fintech, and enterprise domains. He specializes in React and TypeScript and has architected micro-frontends, component libraries, and real-time systems that serve 10k+ concurrent users with sub-100ms rendering. His background spans full-stack and low-level work—from C++ WebSocket servers and embedded C drivers to AWS serverless architectures—enabling pragmatic, performance-first solutions that reduced bundle sizes and API latency at enterprise scale. He mentors teams, leads migrations of legacy systems to modern stacks, and maintains Pericles, an open-source text-to-speech browser extension with 10k+ users. Based in Bucharest, he is open to senior frontend and architect roles where clean, testable systems and hard engineering problems matter.
10 years of coding experience
20 years of employment as a software developer
Grup Scolar Astra Pitesti
English, Romanian, French
Github Skills (87)
authentication10
piano10
chord-diagram10
jwt10
fretboard10
guitar10
chord10
oauth10
javascript9
microsoft-cognitive-services9
browser9
solidjs9
sdk9
voice9
csrf9
Programming languages (4)
Github contributions (5)
calinalexandru/chord-illustrator-js
Sep 2018 - Aug 2022
SVG-based library, which illustrates finger positions of a guitar chord on a fretboard.
Contributions:10 releases, 111 commits, 1 PR in 3 years 11 months
chord-diagrammusic-compositionsvgmusicxmlguitar
calinalexandru/audio-diagrams
Oct 2022 - Nov 2022
Contributions:131 commits, 63 pushes, 2 branches in 1 month
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