Sergey Berezyuk Portfolio

Design Systems & Design Lead, Product Designer, Design Engineer

15 years of experiences building B2B, B2C, SaaS experiences. Former front‑end developer.

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What can I do for you?

I build scalable design systems and product flows, learning from UX researches, planning roadmaps, leading products & teams, and accelerating delivery cycles. I help teams bring products to market faster collaborating closesly with Product and Engineering teams.

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Where can I legally work in 2025?

Based in Kraków, Poland, I’m seeking a FTE UoP contract within Poland.

Selected projects

UI delivery that sparkle the multi-dollar deal

UI delivery that sparkle the multi-dollar deal

From SaaS Revenue Operating System for airlines transformation to modular airline retailing

2025

Gave creative teams back full control over their files

Gave creative teams back full control over their files

A version-control system that simplifies file management and streamlines team collaboration

2023

Turned airlines data into precise pricing and seamless decisions

Turned airlines data into precise pricing and seamless decisions

A SaaS platform unifies capacity, overbooking and promos, removing manual errors for AI‑driven pricing

2023

Converted indie game developers into leads

Converted indie game developers into leads

With a bright interface and a thoughtful form experience, the mobile game publisher gained a new audience.

2021

Identity, branding and application design for Finch Cargo

Identity, branding and application design for Finch Cargo

Cargo service in Africa

2020

Web app for HEXA

Web app for HEXA

Point‑of‑sale solution is easy

2019

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