Alexander Koshelev
Senior Test Engineer at Tech Mahindra
Steingaden, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolAlexander Koshelev is a Senior Test Engineer with nine years of experience delivering QA and analytics for call centre and CRM systems in banking and telecommunications. He blends hands-on testing, customer-facing communication, and data-driven analysis to turn complex requirements into reliable production software. His background spans QA roles, freelance network engineering, and current senior responsibilities at Tech Mahindra, reflecting both breadth and operational maturity. An active C++ contributor, he implemented locale-aware string comparison for the widely used wxWidgets GUI library, showing cross-platform systems thinking beyond typical QA duties. Based in Bavaria, he combines a computer science degree with practical experience building resilient, customer-focused solutions.
9 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Kryvyi Rih National University
English, Ukrainian, Russian, German
Github Skills (9)
windows10
macos10
c-language10
cross-platform10
cprogramming-language10
cplus9
cpp9
wxwidgets9
windows-gui7
Programming languages (1)
Github contributions (5)
wxWidgets/wxWidgets
Aug 2021 - Feb 2022
Cross-Platform C++ GUI Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 39 commits, 17 PRs in 5 months
Contributions summary:Alexander implemented the `wxUILocale::CompareStrings()` function, which allows for string comparison based on locale-specific sort orders. This function was implemented using platform-specific APIs, with implementations for Microsoft Windows and macOS. Code changes included modifications to `src/msw/uilocale.cpp`, `interface/wx/uilocale.h`, and `src/osx/core/uilocale.mm`. The user's contributions involved cross-platform development, as indicated by the upcoming generic implementation planned for the other platforms.
x11c-plus-plussdlwin32gui-framework
kosh543/wxWidgets
Aug 2021 - Mar 2022
Cross-Platform GUI Library - Report issues here: https://trac.wxwidgets.org/
Contributions:1 PR, 107 pushes, 31 branches in 6 months
wxwidgetswindowsgui-librarylinuxreport
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