Valentyn Kremeshnyi
Senior Principal Software Developer at Oracle
Coquitlam, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolValentyn Kremeshnyi is a Senior Principal Software Developer with roughly a decade of hands-on experience building and scaling backend systems for SaaS and high-traffic consumer products. He has a track record of architecting microservice infrastructures from scratch, dramatically improving performance (e.g., cutting a service’s response time from 3000ms to 30ms) and increasing user engagement through pragmatic engineering. At Oracle he focuses on cloud security, detection engineering, and automation for compromise investigations, pairing research with production-ready tooling. Past roles show deep expertise in Go, distributed systems, container orchestration, and operational practices across AWS, Kubernetes, and CI/CD. He also mentors engineers and has repeatedly reduced maintenance costs by refactoring legacy systems into cleaner, DRY codebases. Based in Coquitlam, BC, Valentyn combines a research-informed approach with production velocity—often turning complex security and performance challenges into reliable, automatable solutions.
9 years of coding experience
13 years of employment as a software developer
NTUU "KPI"
Russian, English, German
Stackoverflow
31reputation
2kreached
1answer
1question
Github Skills (23)
sandbox10
command-line-interface10
testing9
saucelabs9
documentation9
cli9
runner8
test-runner7
testcafe7
jest-puppeteer7
zend-framework6
twitter6
puppeteer6
nodejs5
browser-testing5
Programming languages (6)
Github contributions (5)
valentyn88/chat
Aug 2017 - Jan 2019
Contributions:2 pushes, 1 branch in 1 year 5 months
valentyn88/cypress-test
Jan 2021 - Jan 2021
Contributions:44 pushes in 4 days
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