Vladyslav Len
Senior Software Engineer at Schematic
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolVladyslav Len is a Senior Software Engineer with nine years of experience building and operating cloud-native systems, specializing in Kubernetes, Golang, and PostgreSQL. He has founded DataBrew to simplify Change-Data-Capture for PostgreSQL/MySQL and led platform migrations and DevOps improvements that cut release time by 60% through blue/green deployments. His background spans backend microservices, real-time WebRTC systems, and data platform work including PrestoDB and Delta Lake integrations. At Uplandme he combined hands-on service development with infrastructure leadership, and at Bolt contributed to data engineering tooling at scale. Now based in Warsaw, he continues to blend entrepreneurial initiative with production-grade engineering on distributed systems. Colleagues describe him as a pragmatic problem-solver who moves fluidly between system design, deployment automation, and database-focused data engineering.
9 years of coding experience
8 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Petro Mohyla Black Sea National University
Ukrainian, English
Github Skills (12)
golang10
stream-processing10
go10
postgresql10
pgx10
data-engineering10
jsonb9
integration-testing9
event-sourcing9
kafka9
uuid9
etl9
Programming languages (6)
Github contributions (5)
le-vlad/nestjs-uws
Jul 2020 - Dec 2021
Simple WebSocket adapter for the NestJS framework and UWebsockets.js
Contributions:4 releases, 25 commits, 5 PRs in 1 year 4 months
nestjsadapternestjs-frameworkwebsockettypescript
redpanda-data/pg_stream
Sep 2023 - Sep 2024
Contributions:3 releases, 16 pushes, 1 branch in 1 year
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