Sergey Treinis
Chief Technology Officer at WEBPAY
Prague, Czechia
Summary
👤
Senior🎓
Top SchoolSergey Treinis is a pragmatic CTO and seasoned engineering leader with 15+ years delivering cloud-native, high-availability systems in FinTech and iGaming. He pairs hands-on architecture and polyglot coding (Go, TypeScript, Python, PHP) with a business-first approach to technical decisions, driving predictable delivery and strict data consistency across distributed systems. Sergey has scaled engineering organizations to 60+ people across multiple countries, instituted SRE and GitOps practices, and led complex integrations with dozens of payment providers and card tokenization standards. A compliance-minded technologist, he has designed security and operational frameworks to meet PCI DSS, ISO27001 and GDPR requirements while keeping teams autonomous and metrics-driven. Notably, he re-engineered core payment gateway components using Raft and built real-time ETL/data-lake pipelines feeding ML analytics for financial reporting. Based in Minsk, he combines deep systems-level expertise with proven leadership in operationalizing secure, large-scale payment platforms.
11 years of coding experience
5 years of employment as a software developer
специалист, специалист at Saint Petersburg State University
латышский, English, Russian
Github Skills (83)
parser10
golang10
database10
go10
imdb9
pipeline9
ioc-container9
di-container9
inversion-of-control9
router9
ftp-client9
vector9
rust8
dependency-injection8
high-performance8
Programming languages (2)
Github contributions (5)
HnH/qry
Aug 2019 - Sep 2020
Write your SQL queries in raw files with all benefits of modern IDEs, use them in an easy way inside your application with all the profit of compile time constants
Contributions:4 releases, 3 reviews, 15 commits in 1 year 1 month
sql-parsercompile-timesql-queriessqlcompile
HnH/di
Oct 2021 - Jan 2022
DI container library that is focused on clean API and flexibility.
Contributions:8 releases, 4 reviews, 16 commits in 3 months
golangapiflexibilitypodmandocker
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