Krystian Kostecki
Senior C Developer at BLStream - Premium Software Solutions
West Pomeranian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolKrystian Kostecki is a Senior C/C++ developer with 20+ years building embedded, mobile, desktop and game engines, and over a decade of hands-on experience shipping cross-platform graphics and low-level libraries. He specializes in 2D/3D rendering, space partitioning, physics, particles and collision systems, having created reusable engines and innovative R&D libraries (e.g., REC gesture recognition, Jungle 2D engine, and a probability-driven Slot Solver). Krystian has delivered software for consoles, set-top boxes, automotive navigation and bare-metal ARM, and recently extended his C expertise into a med‑tech embedded insulin pump project. A long-time mobile developer since J2ME and Symbian, he also contributes to prominent open-source work such as harp.gl, improving map rendering and texture atlas tooling. Equally comfortable in hands-on coding and team leadership, he focuses on code quality, CI and developer productivity while bringing a strong mathematics and statistics background to solve complex graphics problems.
11 years of coding experience
11 years of employment as a software developer
Master of Science, Statistics and Econometrics, 5 (maximum), Master of Science, Statistics and Econometrics, 5 (maximum) at Uniwersytet SzczecińskiEngineer, Programming, 5 (maximum), Engineer, Programming, 5 (maximum) at Zachodniopomorski Uniwersytet Technologiczny w Szczecinie
English, Russian, Polish
Github Skills (10)
webgl10
threejs10
maps10
typescript10
javascript10
typescripts10
render10
typescript-types10
3d10
web-development9
Programming languages (2)
Github contributions (5)
heremaps/harp.gl
Apr 2019 - May 2020
3D web map rendering engine written in TypeScript using three.js
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:83 commits, 164 PRs, 521 pushes in 1 year 1 month
Contributions summary:Krystian made significant contributions to the `harp.gl` project, primarily focused on enhancing the map rendering engine. Their work included adding features to the data source and map view components, such as getter/setter for storage level offset, enabling screen space pixel size styling, and improvements for better mesh size estimations. The user also contributed to the development of a new module for creating and processing texture atlases for custom icon sets, which are essential for POI and roadshield rendering.
rendering-engineweb-mapharpglwebgljavascript
Thingjs-3d/harp.gl
Feb 2020 - May 2020
harp.gl - web map rendering engine
Contributions:19 commits in 3 months
rendering-engineweb-mapwebglrenderingmap
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