Andrei Sosnin
Tallinn, Harju maakond, Estonia
Summary
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SeniorAndrei Sosnin is a Technical Lead based in Tallinn with 15+ years of hands-on experience building scalable, maintainable systems across Python, C#, PHP 8 and TypeScript/JavaScript. He specializes in financial and high-throughput backends, proven by work on payment and aggregation platforms where he applied ISO 20022, message queues (RabbitMQ/MSMQ/NServiceBus) and large-scale migrations. Comfortable across the full stack and DevOps toolchains (Docker, CI/CD, monitoring), he combines architectural thinking with day-to-day coding and mentoring to deliver business-critical features. Notable strengths include modernizing legacy systems, bridging Ops and Dev to improve delivery, and owning monitoring/maintenance tools that became essential for production reliability. He’s been programming since 2003 and prefers tackling thorny system challenges that require both pragmatic engineering and careful communication with stakeholders.
15 years of coding experience
Stackoverflow
720reputation
110kreached
34answers
0questions
Github Skills (16)
textual9
sql8
service-management7
tui7
porting6
google-ads-api6
linux6
multithreading6
vp86
python5
docker4
whmcs4
testing4
php3
console2
Programming languages (7)
Github contributions (5)
opennode/opennode-management
Jul 2012 - Feb 2014
Contributions:331 commits in 1 year 7 months
core-serviceservice-managementopennode
deemoowoor/SerialReaderService
May 2011 - Jul 2011
Contributions:34 commits in 2 months
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