Olexandr Vyzhanov
Senior Software Engineer at Sharkscode
Lviv, Lviv Oblast, Ukraine
Summary
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SeniorOlexandr Vyzhanov is a Senior Software Engineer from Lviv with 11 years of experience building and scaling Node.js/TypeScript backend systems for high-load, enterprise platforms. He specializes in microservice architectures with NestJS, having designed and maintained 25+ services, a centralized GraphQL API gateway, and real-time WebSocket systems. Olexandr has deep expertise in event-driven architectures using Kafka, PostgreSQL schema/migration tooling and replication strategies, and hands-on DevOps with Docker-based CI/CD. He led large modernization efforts—migrating legacy JavaScript to TypeScript and introducing a monorepo to standardize development and improve deployment velocity. Known for pragmatic engineering, he pairs performance tuning (Redis, advanced SQL) with mentoring and code-review culture to keep platforms reliable under heavy load.
11 years of coding experience
17 years of employment as a software developer
Ukrainian, English, Russian
Stackoverflow
1reputation
0reached
0answers
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Github Skills (69)
commit-message10
conventions10
parser9
linter9
lint9
ecmascript8
javascript8
swc8
php8
typescript-compiler8
git8
yii8
atom-editor7
rust7
typescript7
Programming languages (5)
Github contributions (5)
lembdev/yarn-plugins
Mar 2022 - Jun 2024
Contributions:27 PRs, 68 pushes, 31 branches in 2 years 3 months
lembdev/typeorm-filters-converter
Sep 2023 - Jan 2024
Advanced filters handling and conversion for TypeORM based projects
Contributions:1 release, 22 PRs, 23 pushes in 4 months
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