2x founder

Uladzislau Radkevich

fintech/ai/security | YC W23, ex-Revolut

Founder

co.dev· Winter 2023🇺🇸 United States

in LinkedIn 𝕏 @ulad_dev

2026CTO· Stealth Startup

Founder · since 2023

Company

Stealth Startup

Role

CTO

current

Stage

—

no public source

Raised

—

no public source

Based

—

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

co.dev

Turn your ideas into full-stack apps

Winter 2023

Experience

Career

Stealth Startup
CTO · 2026 – Present
2026
Terraspect
Technical Advisor · 2024 – Present
2024
co.dev
Founder
Founder / CTO · 2024 – 2025
2024
Finex (YC W23)
Co-founder
Co-Founder · 2023 – 2024
2023
Revolut
Lead Software Engineer · 2021 – 2022
2021
Revolut
Senior Software Engineer · 2019 – 2021
2019
Luxoft
Software Developer · Kraków Area, Poland · 2017 – 2019
2017
Itransition Group Ltd.
Java Software Developer · Minsk, Belarus · 2016 – 2017
2016
Itransition Group
Java Software Developer · Minsk · 2015 – 2016
2015
Itransition Group
Intern · Minsk · 2015
2015
Belarusian State University
Assistant · Minsk, Belarus · 2014 – 2015
2014
Self-Employment
Web Developer · Minsk, Belarus · 2013 – 2014
2013

Bio

Experienced software developer with a background in Computer Security. Led tech side of crypto development at Revolut and scaled their payments infrastructure from 1M to 20M+ users. Winner of multiple web3/crypto hackathons, including ethAmsterdam and Polygon Buidl IT 2022. Have strong domain expertise in traditional banking and fintech.