Bartosz Kowalski
Senior Software Engineer at Zendesk
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolBartosz Kowalski is a Senior Software Engineer and technical lead based in Warsaw with eight years of full-stack experience, currently shaping analytics capabilities for Zendesk Explore. He brings deep Ruby and Rails expertise combined with front-end React experience from prior roles, plus hands-on work on APIs (JSON:API, GraphQL) and e-commerce tooling earlier in his career. Comfortable bridging product and engineering, he focuses on delivering reliable, customer-facing analytics while coaching a diverse team. Notably, his background spans both startup and product-scale environments, giving him practical fluency in shipping end-to-end features and improving observability in analytics products.
8 years of coding experience
4 years of employment as a software developer
Engineer's degree, Information Technology, Engineer's degree, Information Technology at Polsko-Japońska Wyższa Szkoła Technik Komputerowych w Warszawie
Polish, English, Japanese, German
Github Skills (30)
json-api8
relayjs7
relay-modern7
relay6
rails-app6
api6
actionmailer6
rails6
ruby6
hashids6
ruby-on-rails5
react5
backend5
hash5
graphql5
Programming languages (4)
Github contributions (5)
Tengoot/cooking-app
Oct 2019 - Sep 2020
Cooking App with example usage of react hooks and RelayJS GraphQL client
Contributions:45 commits, 7 PRs, 16 pushes in 10 months
graphql-clientreact-hooksrelayjsreactrelay-modern
Tengoot/cooking-server
Dec 2019 - Oct 2020
Backend API in graphql for cooking app
Contributions:27 PRs, 27 pushes, 21 branches in 10 months
backendgraphqlgraphql-exampleruby
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