Jiří Mlavec
Software Developing at Asamm Software, s. r. o.
Prague, Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJiří Mlavec is a seasoned mobile and mapping software engineer with 11+ years building Android and Java-based apps, currently leading Asamm Software as CEO and developer from Prague. He has deep domain expertise in cartography and geospatial applications—contributing significant rendering fixes and performance improvements to the well-known open-source mapsforge vector map library. His portfolio spans commercial products (Locus, SmartMaps, WhereYouGo) and earlier J2ME clients, reflecting a long-running focus on mobile map UX and efficient tag-driven rendering. Trained in geodesy and cartography, he blends academic domain knowledge with hands-on engineering and a penchant for pragmatic refactors that improve real-world map rendering. Outside work he’s a vegan eco-anarchist, signaling strong personal values that inform his independent, responsibility-focused approach to projects.
12 years of coding experience
4 years of employment as a software developer
Ing., Geodesy and cartography, Ing., Geodesy and cartography at Czech Technical University in PragueTechology of ceramics, Techology of ceramics at High Technical School of Ceramics, Bechyně
Czech, English
Github Skills (11)
rendering10
openstreetmap10
javas10
maps10
vector-graphics10
render10
java10
data-structure9
algorithm9
data-structures9
algorithms9
Programming languages (6)
Github contributions (5)
mapsforge/mapsforge
Nov 2022 - Jan 2023
Vector map library and writer - running on Android and Desktop.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 15 commits, 14 PRs in 1 month
Contributions summary:Jiří primarily contributed to the `mapsforge/mapsforge` project by fixing bugs and improving the codebase related to rendering map themes. Their commits involved modifications to rendering rules and matchers, specifically addressing issues with tag handling and iteration through tags. The user also refactored code to optimize tag processing and introduced enhancements for curved lines and text transformations, improving the rendering capabilities of the map library. These changes directly enhance the performance and functionality of the vector map library.
androidopenstreetmapjavamapvector
asamm/locus-addon-graphhopper
May 2016 - Nov 2020
Add-on for Locus Map application that allows to use GraphHopper library for offline routing (navigation).
Contributions:7 releases, 22 commits, 5 PRs in 4 years 6 months
graphhopperlocus-map
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