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  • Ukraine, Lviv

Achievements

Achievement: Pull Sharkx2Achievement: QuickdrawAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: QuickdrawAchievement: Arctic Code Vault Contributor

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heavycharged/README.md

Vadym Korovin

Tech Lead & Software Architect · 10 years in backend and infrastructure

I build data- and CPU-intensive services in Rust and Go, where architecture decisions show up directly in p99 latency and infra spend.

experience.log

  • Scaled an AdTech RTB engine to 1M RPS peak / 70k RPS per server on bare metal
  • Grew an engineering team from 1 to 20+ as the first technical hire
  • Led the migration from "one-service-per-server" bare metal to a Nomad-orchestrated cluster
  • Built a sub-5ms p99 capping system in Rust + LMDB at 60k RPS
  • Rewrote a legacy PHP service in Go, cutting server overhead by 94%
  • Established blameless post-mortem culture

skills.proto

Languages — Rust, Go, PHP, JavaScript/TypeScript Data — PostgreSQL + PostGIS, ClickHouse, ScyllaDB/Cassandra, MariaDB, LMDB, Kafka Infra — Linux network stack, Nginx, HAProxy, Nomad, Consul, Ansible, Prometheus + Grafana Frontend — Vue, Svelte Domain — RTB / OpenRTB, programmatic advertising, high-throughput services

interests.hobby

Cars · Motorcycles · Mountain biking · Travel

contact.md

📧 ezdyl4jky@mozmail.com Private Email hidden by Firefox Relay

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