Sergey Royz
Founder at Swipelux
Prague, Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolSergey Royz is a software engineer and founder with 12 years of experience building production-grade systems, currently based in Prague and running the file-sharing service qrshare.io. He combines deep technical architecture skills—from microservices, cloud migrations and analytics to payment gateway integrations—with hands-on leadership as CTO of Swipelux and a senior engineer at Toptal. His background includes high-scale work at Cisco, HPE and Yandex, plus multi-bank mobile-banking projects and integrations with legacy banking systems, reflecting strong domain expertise in fintech and distributed systems. A Moscow Institute of Physics and Technology graduate, Sergey pairs scientific rigor with practical delivery, often turning pet projects into globally used services. Notably, qrshare began as a hackathon prototype and grew into a daily-used tool with analytics-driven evolution, illustrating his ability to iterate products from prototype to persistent service.
12 years of coding experience
13 years of employment as a software developer
Master, Computer Science, Master, Computer Science at Moscow Institute of Physics and Technology (State University) (MIPT)
English, Czech, Russian
Stackoverflow
1,033reputation
478kreached
21answers
17questions
Github Skills (170)
arduino-library10
pendulum10
encoder10
i2c10
robot10
qt9
robotics9
simulations9
python9
gtk9
matplotlib9
simulation9
pressed9
arduino9
data-visualization8
Programming languages (16)
Github contributions (5)
zjor/automation
Jun 2022 - Sep 2022
Automation scripts run with GitHub actions
Contributions:42 commits, 2 PRs, 43 pushes in 3 months
automation
zjor/usb-traffic-light
May 2015 - Jan 2022
Contributions:17 commits, 16 pushes, 1 branch in 6 years 10 months
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