Kostiantyn Korchak
QA Engineer at Squadformers
Los Angeles, California, United States
Summary
🤩
Rockstar🎓
Top SchoolKostiantyn Korchak is a results-driven QA Engineer with a decade of experience validating mobile, web, and backend systems and a recent focus on AI/ML model testing and ethical safeguards. He has built and maintained Cypress and Python/Pytest automation frameworks, integrated tests into CI/CD pipelines to cut regression time by 40%, and contributed end-to-end test coverage for the widely used DataHub metadata platform. Comfortable in Agile and remote teams, he mentors junior engineers and leads QA from MVP to production scaling. Notably, he blends traditional STB and backend validation experience with hands-on testing of generative LLM outputs, ensuring relevance, consistency, and guardrails in user-facing applications.
2 years of coding experience
12 years of employment as a software developer
Bachelor of Science (BS), Manufacturing automation and computer-integrated technologies, Bachelor of Science (BS), Manufacturing automation and computer-integrated technologies at Ternopil State 'Ivan Pul'uj' Technical University
English, Russian, Ukrainian
Github Skills (5)
test-automation10
javascript10
cypress10
datahub10
testing10
Programming languages (1)
Github contributions (2)
datahub-project/datahub
Jul 2023 - Nov 2023
The Metadata Platform for your Data and AI Stack
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:12 reviews, 31 PRs, 4 pushes in 3 months
Contributions summary:Kostiantyn contributed significantly to the repository's testing infrastructure by implementing and maintaining Cypress tests. These tests cover various aspects of the DataHub platform, including query management, user and group settings, policies, domain management, dataset ownership, documentation, column-level lineage, deprecation, ingestion source creation, and access token management. Their work focused on ensuring the functionality and reliability of the DataHub platform through automated end-to-end testing.
data-managementdata-discoverydata-stackmodern-data-stackdata-catalog
kkorchak/datahub
Jul 2023 - Nov 2023
The Metadata Platform for the Modern Data Stack
Contributions:20 PRs, 107 pushes, 26 branches in 3 months
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