Vitalii Kletsko
Erlang Software Engineer at Middleware, Inc.
Ukraine
Summary
👤
Senior🎓
Top SchoolVitalii Kletsko is an Erlang/Elixir-focused backend engineer with 13 years in IT and over nine years specializing in Erlang/OTP, building secure, high-throughput systems for FinTech, E/M-commerce, and VoIP. He has longstanding production experience at PrivatBank and Middleware, Inc., delivering payment services and high-load internet banking features for Privat24. Comfortable across languages (Ruby, Go, Java, C#, JS) and datastores (Postgres, Neo4j, Riak, Mongo), he blends deep distributed-systems expertise with practical DevOps using Docker and Unix tooling. Passionate about backend architecture and team collaboration, he often tackles reliability, scalability and security trade-offs in mission-critical services. Based in Ukraine, he pairs a technical master’s in computer science with a finance-oriented undergraduate background, an uncommon mix that helps bridge product, risk and engineering perspectives.
12 years of coding experience
6 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Neoversity. IT Master's degreeBachelor, Accounting and Finance, Bachelor, Accounting and Finance at Dnepropetrovsk State Agrarian University-economic
English, Ukrainian
Github Skills (25)
freeswitch6
intellij-plugin6
webstorm6
rubymine6
pycharm5
appcode5
gleam5
socket5
telephony5
jetbrains5
clion4
java4
elixir4
plugin4
erlang3
Programming languages (8)
Github contributions (5)
vkletsko/eaws
Jan 2015 - Dec 2016
Contributions:3 releases, 3 commits, 2 pushes in 1 year 11 months
convo/switchx
Mar 2023 - Jun 2024
FreeSWITCH Event Socket Protocol client implementation with Elixir
Contributions:9 releases, 14 PRs, 19 pushes in 1 year 3 months
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