Andrii Olefirenko
Software Engineer at The Walt Disney Company
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolAndrii Olefirenko is a seasoned software engineer with 11 years of experience building mobile and full-stack products for high-scale consumer platforms, currently driving performance and reliability for the Hulu Android client at The Walt Disney Company. He has led Android product and platform initiatives at Uber and Amazon—improving app startup latency, stabilizing authentication, and shaping UI/navigation frameworks—while also co-founding startups and leading payments and fraud work earlier in his career. Comfortable across Kotlin/Java front ends and Java backends, Andrii combines hands-on optimization skills with a systems-minded approach to product engineering. Based in Seattle, he blends senior technical leadership (interview/code-review bar raiser roles) with entrepreneurial instincts, and often surfaces platform-level fixes that yield outsized user impact.
11 years of coding experience
22 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at National University of Kyiv-Mohyla Academy
Stackoverflow
31reputation
8kreached
4answers
0questions
Github Skills (9)
html6
flash6
java-native-interface6
struts6
javascript6
jquery6
apache-flex6
jsp6
java6
Programming languages (2)
Github contributions (4)
andriyo/flex_spreadsheet
May 2015 - May 2015
Spreadsheet Web Application using Apache Flex
Contributions:8 commits, 7 pushes, 1 branch in 1 day
andriyo/langchain
May 2023 - Jun 2023
⚡ Building applications with LLMs through composability ⚡
Contributions:5 pushes in 17 days
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