Oleg Tolmashov
Staff Software Engineer at Workato
Tbilisi, Georgia
Summary
👤
Senior🎓
Top SchoolOleg Tolmashov is a Staff Software Engineer with nine years of experience, specializing in Ruby backends and system design for high-load, distributed product companies in FinTech, E-commerce, and FoodTech. He has progressed from hands-on development to technical leadership—driving architecture, observability, and migration to containerized deployments while growing teams from small squads to 25+ engineers. Oleg has a track record of reducing technical debt and defect rates through audits, refactors, and process improvements (introducing ADRs and internal testing courses) and has rebuilt critical services and billing systems for large user bases. He contributes to open source in Ruby and Go and combines technical craft with applied psychology to improve team dynamics and delivery. Based in Tbilisi, Georgia, he prefers long-lived, quality-focused products and is fluent in designing scalable systems with tools like Kafka, Redis, ELK, Grafana, and GitLab CI/CD.
9 years of coding experience
8 years of employment as a software developer
Master's degree, Information systems architecture, Master's degree, Information systems architecture at Siberian Federal University
Russian, English
Github Skills (95)
grafana10
influxdb10
k8s10
monitoring10
graphite10
api10
victoriametrics10
scalability10
database10
coercion10
kubernetes10
observability10
rails-api10
opentsdb10
pmm10
Programming languages (6)
Github contributions (5)
Koilanetroc/SolveTerver
May 2018 - Jul 2020
Решение статистичекой работы по теории вероятности бесплатно, но с регистрацией
Contributions:23 commits, 8 PRs, 18 pushes in 2 years 2 months
crosswordstatisticspython
Koilanetroc/VictoriaMetrics
Sep 2023 - Mar 2025
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
Contributions:2 PRs, 19 pushes, 2 branches in 1 year 5 months
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