Denis Koronchik
Chief Technology Officer at Weather Forecast Technologies - Rainbow.app
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolDenis Koronchik is a seasoned technology leader and CTO with 18 years of engineering experience, currently steering Rainbow AI’s hyperlocal, AI-driven weather forecasting platform from Warsaw. He blends deep systems and backend expertise—honed across map-routing and vision SDK projects at Mapbox and contributions to notable open-source mapping projects like Organic Maps and OSRM—with a strong background in game engines, AR, and computer vision. Denis is hands-on: he’s fixed core graph-processing and data-structure issues, removed heavy dependencies, and implemented converters that improved offline map tooling and performance. He excels at turning research-grade algorithms into production-ready services that scale to 100k+ users, and his career shows a pattern of optimizing performance-critical systems and cross-platform engines. Notably, his work bridges immersive technologies and geospatial engineering, giving him an uncommon perspective on real-time, user-focused applications.
18 years of coding experience
13 years of employment as a software developer
Postgraduate studies, Postgraduate studies at Belarusian State University of Informatics and Radioelectronics
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (26)
url-routing10
web-widgets10
c-language10
develop10
widgets10
routing-slip10
routes10
front-end-development10
maps10
cpp10
backend10
cprogramming-language10
osrm10
data-structure9
algorithm9
Programming languages (11)
Github contributions (5)
Project-OSRM/osrm-backend
Oct 2016 - Oct 2017
Open Source Routing Machine - C++ backend
Role in this project:
Back-end Developer
Back-end DeveloperContributions:44 commits, 17 PRs, 14 pushes in 11 months
Contributions summary:Denis contributed to the OSRM backend project by fixing function declarations and adding support for custom service handlers. They introduced changes to server-side components, including request and service handler interfaces, and integrated the new service handler functionality within the server architecture. Furthermore, the user addressed linkage errors related to graph loading and writing, and made improvements to Lua scripting environment.
astarcppdijkstrac-plus-plusmap-matching
MyGUI/mygui
Mar 2008 - Aug 2011
Fast, flexible and simple GUI.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:34 commits in 3 years 5 months
Contributions summary:Denis primarily contributed to the development and enhancement of the MyGUI library, with a focus on the `FooBar` widget. Their work involved implementing features such as auto alpha control, adding user-friendly methods, and fixing bugs. They also refactored the code for improved compilation compatibility and added testing with the demo applications. The user also updated the StrangeButton plugin.
guidirectximguisimple-guiflexible
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