Pavel Merkis
Software Engineer at Google
Poland
Summary
🤩
Rockstar🎓
Top SchoolPavel Merkis is a software engineer with a decade of experience building high-performance backend systems, currently at Google after roles at Mapbox and Wunder Fund. He has a strong C++ background applied to mapping and navigation — notably improving Valhalla's reproducible tile builds and speeding Mapbox's tile building stages by 40–50%. His work spans production performance, test automation, and tooling: from ADAS telemetry replay improvements to route quality metrics and GUI tools for navigation traces. At Wunder Fund he bridged data pipelines and trading backtests, making pipelines more robust and developer-friendly. Trained at the Yandex School of Data Analysis and BSU, Pavel blends systems-level optimization with pragmatic engineering for measurable reliability gains. An often-overlooked strength is his focus on reproducibility and deterministic builds, which reduces operational surprises in complex spatial systems.
10 years of coding experience
6 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Belarusian State UniversityComputer Science, Computer Science at Yandex school of data analysis
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
openstreetmap10
data-structures10
algorithms10
routing-slip10
c-language10
routes10
cprogramming-language10
data-structure10
dijkstra7
url-routing7
Programming languages (3)
Github contributions (5)
valhalla/valhalla
Jul 2020 - Feb 2022
Open Source Routing Engine for OpenStreetMap
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:179 reviews, 157 commits, 75 PRs in 1 year 7 months
Contributions summary:Pavel primarily contributed to improving the reproducibility of tile building within the Valhalla routing engine. They implemented tests to verify reproducible tile builds, addressing undefined behaviors and ensuring the consistency of tile generation. The user also made improvements to the parsing stage, optimizing and refactoring code to improve efficiency. Additionally, they addressed bugs related to complex restrictions in the routing engine.
osrmmulti-modalnominatimtileddijkstra
merkispavel/music-genre-recognition
Sep 2017 - Nov 2019
Contributions:2 pushes, 1 branch, 2 issues in 2 years 2 months
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