Mykola Golubyev
Ocaml Apprentice at Jane Street
New York, New York, United States
Summary
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SeniorMykola Golubyev is an experienced polyglot software engineer with 19 years building high-performance server and client systems across finance and open-source projects, currently focused on OCaml at Jane Street. He has deep Java EE/SE, C++, and JavaScript expertise and a strong track record at firms like Two Sigma, Goldman Sachs, and Citadel Securities delivering core frameworks and research platforms. Mykola co-created and maintains open-source tools such as Znai and WebTau that uniquely tie testing artifacts to living documentation, reflecting his motto "Testing Is Documenting." Comfortable across architecture patterns (TDD/BDD, DDD, MVC) and diverse stacks—from low-latency C++ engines to React/TypeScript UIs—he combines pragmatic engineering with tooling that improves developer productivity. Based in New York, he brings both hands-on implementation skills and a history of migrating and modernizing critical trading and settlement systems. An uncommon blend of finance-grade reliability and documentation-driven testing makes his contributions particularly valuable for complex, regulated domains.
19 years of coding experience
14 years of employment as a software developer
Stackoverflow
58,891reputation
5.7mreached
305answers
34questions
java
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highlight
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autocomplete
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vi
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constructor
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Github Skills (200)
parser10
python10
jline10
junit-rule10
highlight10
testing10
http10
test-framework10
swagger10
websocket10
slideshow10
integrations10
ruby10
vim10
junit10
Programming languages (12)
Github contributions (5)
MykolaGolubyev/whats-happening
Sep 2017 - Oct 2017
Contributions:18 commits, 12 pushes, 1 branch in 1 month
testingisdocumenting/webtau
May 2018 - Jan 2023
WebTau (web test automation) is a testing API, command line tool and a framework to write unit, integration and end-to-end tests. Test across REST-API, WebSocket, GraphQL, Browser, Database, CLI and Business Logic with a consistent set of matchers and concepts. REPL mode speeds-up tests development. Rich reporting cuts down investigation time.
Contributions:38 releases, 80 reviews, 1203 commits in 4 years 9 months
investigationunitapi-testingweb-testjunit5
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