Ilya Zykin
IT Coach, Tech Interviewer, Educator
Istanbul, Istanbul, Turkey
Summary
🤩
Rockstar🎓
Top SchoolIlya Zykin is an experienced IT coach and senior full-stack engineer with 14 years building high-performance web applications and leading teams across startups and larger product organizations. Based in Istanbul, he blends deep front-end expertise in JavaScript and React with a strong Ruby/Rails background, having driven R&D, performance optimization, and UX improvements at companies like Toptal and Kupibilet. He currently focuses on coaching and technical interviewing, translating hands-on engineering experience into effective developer training and talent assessment. An active open-source contributor, his work includes UI-focused optimizations such as a highly performant drag-and-drop sortable tree rendering capable of thousands of nodes per second. Comfortable shifting between architecture, hands-on implementation, and mentorship, he brings a teacher’s mindset to solving complex engineering problems.
14 years of coding experience
15 years of employment as a software developer
Engineer's degree, Physics, 4.4, Engineer's degree, Physics, 4.4 at Ivanovo State University
Русский, English
Stackoverflow
599reputation
96kreached
13answers
14questions
Github Skills (13)
javascript10
front-end-development10
html9
css9
rails8
ruby-rails8
ruby8
postgresql6
gemfile6
pg6
rubygems6
ruby-on-rails6
actioncable6
Programming languages (6)
Github contributions (5)
the-teacher/the_sortable_tree
Nov 2011 - May 2018
Nested Set + Drag&Drop GUI. Very fast! Best render helper! 2000 nodes/sec. Ready for rails 4
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:324 commits, 13 PRs, 22 pushes in 6 years 6 months
Contributions summary:Ilya primarily focused on developing and maintaining the UI aspects of the sortable tree project. The commits show modifications to the helper files, CSS and JavaScript code related to the tree structure. Key contributions involve implementing features and refactoring the tree rendering and user interface elements. The user also appears to be responsible for version upgrades and minor bug fixes related to the front end implementation.
renderrender-helperrailsnodeshierarchical
TheProfitCMS/the_notification
Nov 2013 - Feb 2015
Contributions:23 commits, 5 pushes, 1 issue in 1 year 2 months
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