Sergey Kruglov
Product Designer and Engineer
I believe deeply in products that are profoundly simple, inherently practical, and thoughtfully human. For over 14 years, I've shaped global experiences, bringing ideas from zero to one with clarity and care.
Select Projects
- SurrlySummer 2025BuilderDesigned, coded, shipped, and released the product solo — from product idea to working iOS app and TestFlight launch
SurrlyBuilderDesigned, coded, shipped, and released the product solo — from product idea to working iOS app and TestFlight launch
- LALAL.AI2020 — 2022Founding DesignerScaled the product to 3.8M MAU, built the visual standard, validated the Voice Cleaner direction
LALAL.AIFounding DesignerScaled the product to 3.8M MAU, built the visual standard, validated the Voice Cleaner direction
- 4K Download2016 — 2020Senior UI/UX Product DesignerRedesigned five core apps, launched new products, and improved conversion across key product flows
4K DownloadSenior UI/UX Product DesignerRedesigned five core apps, launched new products, and improved conversion across key product flows
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I help founders turn early signals into clear, usable products - from product direction and UX to interface design, frontend, and AI-powered workflows.
My work has helped products reach millions of users and has been featured in Forbes, Billboard, PCMag, TNW, Tech Advisor, MusicRadar, and Golden Kitty Award.