Aleksandr Beliaev
QA Automation Lead (Financial Trading & Market Data Domain)
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolAleksandr Beliaev is a QA Automation Lead with nine years of engineering experience and over five years focused on QA, currently driving backend quality and data-reliability for high-load financial trading systems in Madrid. He builds scalable, highly parallelized test infrastructures (pytest-xdist, async, threading, multiprocessing), refactors long-running frameworks to eliminate memory leaks, and architects multi-layer monitoring and CI/CD quality gates from scratch. Aleksandr has a strong background in network traffic emulation and reverse-engineering undocumented market-data APIs, which helped him improve trading-data accuracy from ~90% incorrect to 0.02% for several exchanges. He has led and mentored distributed AQA teams, kept turnover below 5%, and trained junior engineers into middle+ roles while running hiring and onboarding. An active contributor to accessibility improvements in the .NET WinForms repo, he combines deep systems-level testing skills with practical backend development and a proven record of zero missed critical issues on high-traffic financial pages.
8 years of coding experience
4 years of employment as a software developer
Information Security, Information Security at Moscow Power Engineering Institute (Technical University)
English, Russian, Serbian
Github Skills (8)
accessibility10
windows-forms10
unit-testing10
csharp10
dotnet-core10
netframework10
desktop9
winforms9
Programming languages (2)
Github contributions (5)
dotnet/winforms
Jul 2020 - Aug 2020
Windows Forms is a .NET UI framework for building Windows desktop applications.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 5 commits, 2 PRs in 1 month
Contributions summary:Aleksandr's commits focus on improving the accessibility of Windows Forms controls, specifically related to scrollbars and accessible objects. They added unit tests for accessible objects, modified existing accessible object classes, and corrected how accessible names are generated. The changes involve updates to several files within the .NET Windows Forms framework for improved accessibility and adherence to accessibility standards. The user demonstrated the ability to implement and debug unit tests.
dotnetuwpwindows-desktopwindowsui-framework
levchCode/TonusApp
Jun 2017 - Sep 2017
Contributions:277 pushes in 2 months
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