Kirill Sidelev
Sr Product Engineer at CryoCloud
Amsterdam, North Holland, Netherlands
Summary
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SeniorKirill Sidelev is a senior product engineer based in Amsterdam with a decade of experience building customer-focused web products across startups and scale-ups. He has moved between hands-on frontend and product roles to leadership positions—founding an EdTech startup, serving as CTO of Data Booster, and now shaping product engineering at CryoCloud—demonstrating both entrepreneurial drive and product sensibility. His background spans high-traffic consumer and B2B platforms (Yandex, 3D Hubs) and early-stage product development, giving him a knack for turning user needs into polished interfaces and feature-ready systems. Colleagues value his blend of product empathy and pragmatic engineering, and he consistently prioritizes customer experience when trading off speed, quality, and maintainability. An Amsterdam-based builder who often pairs rapid prototyping with longer-term architectural thinking, he brings rare continuity from idea to production.
9 years of coding experience
12 years of employment as a software developer
Stackoverflow
695reputation
29kreached
5answers
2questions
Github Skills (43)
expressions9
wysiwyg9
nodejs9
react9
backend9
conditional-statements9
graphql8
switch8
rich-text-editor8
keystonejs8
slate8
shadcn-ui8
typescript8
draft-js8
cms8
Programming languages (5)
Github contributions (5)
adrewind/extension
Mar 2017 - May 2017
Contributions:128 commits, 19 pushes, 3 branches in 1 month
xakdog/hangman
Feb 2019 - Apr 2021
Contributions:1 push, 1 branch in 2 years 2 months
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