Denys Feshchenko
Staff Software Engineer at ThredUp
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolDenys Feshchenko is a Staff Software Engineer based in Kyiv with over a decade of experience designing and shipping scalable web applications across startups and enterprise products. He has steadily advanced from hands-on engineering and QA to leading teams and owning complex frontend platforms, notably contributing to Nextiva’s WYSIWYG editors and ThredUp’s systems. Denys combines deep JavaScript/front-end expertise (React, Redux, Draft.js, AngularJS) with pragmatic architecture skills, emphasizing modularity, test coverage, and incremental UX patterns like autosave. He’s comfortable working across the stack and lifecycle—from hybrid mobile apps and gaming integrations to e-commerce and marketing platforms—and frequently mentors peers and participates in hiring. A practical problem-solver, he often improves productivity through build-process and refactor-led reliability gains that aren’t obvious from feature lists alone.
11 years of coding experience
14 years of employment as a software developer
National Technical University of Ukraine "Kiev Polytechnic Institute"
English, Ukrainian, Russian
Stackoverflow
190reputation
69kreached
2answers
0questions
Github Skills (82)
github10
textarea10
javascript10
git10
redux-form10
webpack10
validation9
react-redux9
form-validation9
bundler9
redux-store9
es6-modules9
editors9
contenteditable9
redux9
Programming languages (5)
Github contributions (5)
denich/bmock-js
Jan 2016 - Mar 2016
Contributions:1 release, 37 commits, 5 pushes in 2 months
denich/auto-import
Jul 2018 - Nov 2018
Contributions:14 PRs, 27 pushes, 8 branches in 4 months
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