Serhii Mykhailenko
Senior Staff Software Engineer at PayPal
San Jose, California, United States
Summary
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Rockstar🎓
Top SchoolSerhii Mykhailenko is a Senior Staff Software Engineer based in San Jose with 15 years in software and 12+ years focused on full‑stack web development, currently driving platform work at PayPal. He blends hands‑on engineering and architecture, having progressed through multiple senior roles at PayPal and earlier built end‑to‑end web and social products using Node.js, React, Python/Django, and diverse backend stacks. Serhii has repeatedly taken projects from concept to production—designing a revenue-generating social media hub and an events app—and has experience optimizing large data pipelines and test suites in enterprise settings. Comfortable across front-end, back-end and embedded work (C++/Qt early in his career), he brings a pragmatic engineering mindset and a track record of shipping robust, scalable systems. A dual B.S./M.S. graduate from Odessa National Polytechnic University, he pairs deep technical breadth with product instincts cultivated in both startups and large organizations.
15 years of coding experience
13 years of employment as a software developer
Bachelor of Science (BS) Computer and Information, Bachelor of Science (BS) Computer and Information at Odessa National Polytechnic University
Русский, English
Stackoverflow
1,391reputation
161kreached
27answers
1question
datatables
top-1%
Github Skills (50)
jquery-plugin10
datatables10
device-detection10
browser-detection10
popup9
client-hints9
checkout9
paypal9
gatsby9
square9
payment9
bot-detection9
obsolete9
react9
paypal-buttons9
Programming languages (1)
Github contributions (5)
Smiter/Ogre_editor
May 2011 - May 2011
Contributions:40 commits in 26 days
Smiter/JAMGatsbySandbox
Jul 2017 - Jul 2017
Contributions:16 PRs, 21 pushes, 20 branches in 1 day
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