Intro

Career path

Explore designs

Case studies

Education & certifications

Hi,

I’m

Roman

Janczewski,

a senior

product

designer

.

Currently

based

in

Barcelona

,

Spain.

I design

clear,

effective UX

that

improves

retention

and

scales

products

from

0

1

and beyond.

With

9+

years

of experience

in

Fintech

,

Marketplace

and

Healthtech

,

I’m

to new

opportunities.

Career path

Let’s talk!

I’m open to new opportunities

Download CV

Tabby

May 2023 – Present · Senior product designer

The fastest-growing BNPL platform in the Middle East, backed by Sequoia and valued at over $1B. Trusted by 2M+ customers and 3,000+ top retailers like IKEA, Adidas, Shein and Apple. Responsible for post-purchase flows, improved onboarding and verification, and created reusable UX patterns that supported Tabby’s rapid scale-up.

tabby.ai

Helper

Apr 2023 – Sep 2023 · Product design mentor

A career development platform for designers. I mentored dozens of designers through portfolio building, product thinking, and test tasks helping many land roles at top tech companies.

gohelper.io

Avito

Jun 2021 – May 2023 · Senior product designer

The #1 marketplace in Russia and one of the largest in the world, connecting 50M+ people every month. A platform at the scale of Craigslist + eBay, shaping how millions buy, sell, and find opportunities. I designed core buyer and seller flows, trust & safety features, and scalable solutions that shaped how millions of people use the app every day.

avito.ru

SberHealth (ex. docdoc)

Jun 2019 – Jun 2021 · Senior product designer

Russia’s leading digital health ecosystem with 15M+ users. Transforming healthcare by enabling online bookings, telemedicine and fully digital medical records. I led the design of the telemedicine service from concept to launch, and redesigned appointment and medical record flows to make healthcare access faster and more transparent for millions.

sberhealth.ru

Visitech

Dec 2017 – Jun 2019 · UX/UI designer

Provider of industrial ERP and safety solutions, used by enterprise clients like Gazprom and MMK. I designed multi-role workflows for adaptive web & Android interfaces. Also created a reusable design system for enterprise use.

visitech.ru

Megafon

Mar 2016 – Nov 2016 · UI designer

I redesigned MegaFon Radar, a family geolocation service used by millions of subscribers, making it more intuitive and engaging.

megafon.ru

Explore designs

Coming soon

Case studies

Doctor’s workspace

Mapped the full doctor-side journey — from appointment scheduling to post-consultation notes — identifying drop-offs and UX bottlenecks. Conducted usability testing, deep funnel analysis, and interviews with 15+ doctors to uncover pain points in real workflows. Worked closely with PMs and analysts to prioritize the most impactful flows: session start, patient cards, writing medical summaries, and closing consultations.

Full case study

coming soon

Education & certifications

Higher School of Economics — Economics

2011 – 2016 · Moscow

Graduated from one of Russia’s top research universities, known for strong training in systems thinking, data analysis, and strategic decision-making. This background shaped my ability to approach product design with business awareness, analytical thinking, and user impact in mind.

hse.ru/en

HSE Art & Design School — UX/UI design

2016 – 2017 · Moscow

Completed an intensive program focused on interface design, user research, and product thinking. Built a strong foundation in visual systems, design process, and human-centered methodology — all applied through hands-on projects in Figma and prototyping tools.

en.design.hse.ru

École 42 (School 21)

2017 – 2019 · Moscow

Completed a full-time peer-to-peer coding program at School 21, the Russian campus of the international École 42 network. The curriculum focused on systems thinking, low-level programming, and project-based learning — with no teachers, no grades, and a strong emphasis on autonomy, collaboration, and problem-solving.

42.fr/en

GoPractice

2020 – 2022 · Remote

Completed an immersive simulation-based course focused on product growth, retention, and data-driven decision-making. Learned to interpret product metrics, run experiments, and use tools like Amplitude and SQL to inform UX and product strategy.

gopractice.io

Duolingo English Test — C1

Nov, 2023 · English proficiency certificate

certs.duolingo.com

Intro

Career path

Explore designs

Case studies

Education & certifications

Hi,

I’m

Roman

Janczewski,

a senior

product

designer

.

Currently

based

in

Barcelona

,

Spain.

I design

clear,

effective UX

that

improves

retention

and

scales

products

from

0

1

and beyond.

With

9+

years

of experience

in

Fintech

,

Marketplace

and

Healthtech

,

I’m

to new

opportunities.

Career path

Let’s talk!

I’m open to new opportunities

Download CV

Tabby

May 2023 – Present · Senior product designer

The fastest-growing BNPL platform in the Middle East, backed by Sequoia and valued at over $1B. Trusted by 2M+ customers and 3,000+ top retailers like IKEA, Adidas, Shein and Apple. Responsible for post-purchase flows, improved onboarding and verification, and created reusable UX patterns that supported Tabby’s rapid scale-up.

tabby.ai

Helper

Apr 2023 – Sep 2023 · Product design mentor

A career development platform for designers. I mentored dozens of designers through portfolio building, product thinking, and test tasks helping many land roles at top tech companies.

gohelper.io

Avito

Jun 2021 – May 2023 · Senior product designer

The #1 marketplace in Russia and one of the largest in the world, connecting 50M+ people every month. A platform at the scale of Craigslist + eBay, shaping how millions buy, sell, and find opportunities. I designed core buyer and seller flows, trust & safety features, and scalable solutions that shaped how millions of people use the app every day.

avito.ru

SberHealth (ex. docdoc)

Jun 2019 – Jun 2021 · Senior product designer

Russia’s leading digital health ecosystem with 15M+ users. Transforming healthcare by enabling online bookings, telemedicine and fully digital medical records. I led the design of the telemedicine service from concept to launch, and redesigned appointment and medical record flows to make healthcare access faster and more transparent for millions.

sberhealth.ru

Visitech

Dec 2017 – Jun 2019 · UX/UI designer

Provider of industrial ERP and safety solutions, used by enterprise clients like Gazprom and MMK. I designed multi-role workflows for adaptive web & Android interfaces. Also created a reusable design system for enterprise use.

visitech.ru

Megafon

Mar 2016 – Nov 2016 · UI designer

I redesigned MegaFon Radar, a family geolocation service used by millions of subscribers, making it more intuitive and engaging.

megafon.ru

Explore designs

Coming soon

Case studies

Doctor’s workspace

Mapped the full doctor-side journey — from appointment scheduling to post-consultation notes — identifying drop-offs and UX bottlenecks. Conducted usability testing, deep funnel analysis, and interviews with 15+ doctors to uncover pain points in real workflows. Worked closely with PMs and analysts to prioritize the most impactful flows: session start, patient cards, writing medical summaries, and closing consultations.

Full case study

coming soon

Education & certifications

Higher School of Economics — Economics

2011 – 2016 · Moscow

Graduated from one of Russia’s top research universities, known for strong training in systems thinking, data analysis, and strategic decision-making. This background shaped my ability to approach product design with business awareness, analytical thinking, and user impact in mind.

hse.ru/en

HSE Art & Design School — UX/UI design

2016 – 2017 · Moscow

Completed an intensive program focused on interface design, user research, and product thinking. Built a strong foundation in visual systems, design process, and human-centered methodology — all applied through hands-on projects in Figma and prototyping tools.

en.design.hse.ru

École 42 (School 21)

2017 – 2019 · Moscow

Completed a full-time peer-to-peer coding program at School 21, the Russian campus of the international École 42 network. The curriculum focused on systems thinking, low-level programming, and project-based learning — with no teachers, no grades, and a strong emphasis on autonomy, collaboration, and problem-solving.

42.fr/en

GoPractice

2020 – 2022 · Remote

Completed an immersive simulation-based course focused on product growth, retention, and data-driven decision-making. Learned to interpret product metrics, run experiments, and use tools like Amplitude and SQL to inform UX and product strategy.

gopractice.io

Duolingo English Test — C1

Nov, 2023 · English proficiency certificate

certs.duolingo.com

Intro

Career path

Explore designs

Case studies

Education & certifications

Hi,

I’m

Roman

Janczewski,

a senior

product

designer

.

Currently

based

in

Barcelona

,

Spain.

I design

clear,

effective UX

that

improves

retention

and

scales

products

from

0

1

and beyond.

With

9+

years

of experience

in

Fintech

,

Marketplace

and

Healthtech

,

I’m

to new

opportunities.

Career path

Let’s talk!

I’m open to new opportunities

Download CV

Tabby

May 2023 – Present · Senior product designer

The fastest-growing BNPL platform in the Middle East, backed by Sequoia and valued at over $1B. Trusted by 2M+ customers and 3,000+ top retailers like IKEA, Adidas, Shein and Apple. Responsible for post-purchase flows, improved onboarding and verification, and created reusable UX patterns that supported Tabby’s rapid scale-up.

tabby.ai

Helper

Apr 2023 – Sep 2023 · Product design mentor

A career development platform for designers. I mentored dozens of designers through portfolio building, product thinking, and test tasks helping many land roles at top tech companies.

gohelper.io

Avito

Jun 2021 – May 2023 · Senior product designer

The #1 marketplace in Russia and one of the largest in the world, connecting 50M+ people every month. A platform at the scale of Craigslist + eBay, shaping how millions buy, sell, and find opportunities. I designed core buyer and seller flows, trust & safety features, and scalable solutions that shaped how millions of people use the app every day.

avito.ru

SberHealth (ex. docdoc)

Jun 2019 – Jun 2021 · Senior product designer

Russia’s leading digital health ecosystem with 15M+ users. Transforming healthcare by enabling online bookings, telemedicine and fully digital medical records. I led the design of the telemedicine service from concept to launch, and redesigned appointment and medical record flows to make healthcare access faster and more transparent for millions.

sberhealth.ru

Visitech

Dec 2017 – Jun 2019 · UX/UI designer

Provider of industrial ERP and safety solutions, used by enterprise clients like Gazprom and MMK. I designed multi-role workflows for adaptive web & Android interfaces. Also created a reusable design system for enterprise use.

visitech.ru

Megafon

Mar 2016 – Nov 2016 · UI designer

I redesigned MegaFon Radar, a family geolocation service used by millions of subscribers, making it more intuitive and engaging.

megafon.ru

Explore designs

Coming soon

Case studies

Doctor’s workspace

Mapped the full doctor-side journey — from appointment scheduling to post-consultation notes — identifying drop-offs and UX bottlenecks. Conducted usability testing, deep funnel analysis, and interviews with 15+ doctors to uncover pain points in real workflows. Worked closely with PMs and analysts to prioritize the most impactful flows: session start, patient cards, writing medical summaries, and closing consultations.

Full case study

coming soon

Education & certifications

Higher School of Economics — Economics

2011 – 2016 · Moscow

Graduated from one of Russia’s top research universities, known for strong training in systems thinking, data analysis, and strategic decision-making. This background shaped my ability to approach product design with business awareness, analytical thinking, and user impact in mind.

hse.ru/en

HSE Art & Design School — UX/UI design

2016 – 2017 · Moscow

Completed an intensive program focused on interface design, user research, and product thinking. Built a strong foundation in visual systems, design process, and human-centered methodology — all applied through hands-on projects in Figma and prototyping tools.

en.design.hse.ru

École 42 (School 21)

2017 – 2019 · Moscow

Completed a full-time peer-to-peer coding program at School 21, the Russian campus of the international École 42 network. The curriculum focused on systems thinking, low-level programming, and project-based learning — with no teachers, no grades, and a strong emphasis on autonomy, collaboration, and problem-solving.

42.fr/en

GoPractice

2020 – 2022 · Remote

Completed an immersive simulation-based course focused on product growth, retention, and data-driven decision-making. Learned to interpret product metrics, run experiments, and use tools like Amplitude and SQL to inform UX and product strategy.

gopractice.io

Duolingo English Test — C1

Nov, 2023 · English proficiency certificate

certs.duolingo.com

Intro

Career path

Explore designs

Case studies

Education & certifications

Hi,

I’m

Roman

Janczewski,

a senior

product

designer

.

Currently

based

in

Barcelona

,

Spain.

I design

clear,

effective UX

that

improves

retention

and

scales

products

from

0

1

and beyond.

With

9+

years

of experience

in

Fintech

,

Marketplace

and

Healthtech

,

I’m

to new

opportunities.

Career path

Let’s talk!

I’m open to new opportunities

Download CV

Tabby

May 2023 – Present · Senior product designer

The fastest-growing BNPL platform in the Middle East, backed by Sequoia and valued at over $1B. Trusted by 2M+ customers and 3,000+ top retailers like IKEA, Adidas, Shein and Apple. Responsible for post-purchase flows, improved onboarding and verification, and created reusable UX patterns that supported Tabby’s rapid scale-up.

tabby.ai

Helper

Apr 2023 – Sep 2023 · Product design mentor

A career development platform for designers. I mentored dozens of designers through portfolio building, product thinking, and test tasks helping many land roles at top tech companies.

gohelper.io

Avito

Jun 2021 – May 2023 · Senior product designer

The #1 marketplace in Russia and one of the largest in the world, connecting 50M+ people every month. A platform at the scale of Craigslist + eBay, shaping how millions buy, sell, and find opportunities. I designed core buyer and seller flows, trust & safety features, and scalable solutions that shaped how millions of people use the app every day.

avito.ru

SberHealth (ex. docdoc)

Jun 2019 – Jun 2021 · Senior product designer

Russia’s leading digital health ecosystem with 15M+ users. Transforming healthcare by enabling online bookings, telemedicine and fully digital medical records. I led the design of the telemedicine service from concept to launch, and redesigned appointment and medical record flows to make healthcare access faster and more transparent for millions.

sberhealth.ru

Visitech

Dec 2017 – Jun 2019 · UX/UI designer

Provider of industrial ERP and safety solutions, used by enterprise clients like Gazprom and MMK. I designed multi-role workflows for adaptive web & Android interfaces. Also created a reusable design system for enterprise use.

visitech.ru

Megafon

Mar 2016 – Nov 2016 · UI designer

Redesigned Radar (geo-tracking service), making it mobile-first and fully responsive

megafon.ru

Explore designs

Coming soon

Case studies

Doctor’s workspace

Mapped the full doctor-side journey — from appointment scheduling to post-consultation notes — identifying drop-offs and UX bottlenecks. Conducted usability testing, deep funnel analysis, and interviews with 15+ doctors to uncover pain points in real workflows. Worked closely with PMs and analysts to prioritize the most impactful flows: session start, patient cards, writing medical summaries, and closing consultations.

Full case study

coming soon

Education & certifications

Higher School of Economics — Economics

2011 – 2016 · Moscow

Graduated from one of Russia’s top research universities, known for strong training in systems thinking, data analysis, and strategic decision-making. This background shaped my ability to approach product design with business awareness, analytical thinking, and user impact in mind.

hse.ru/en

HSE Art & Design School — UX/UI design

2016 – 2017 · Moscow

Completed an intensive program focused on interface design, user research, and product thinking. Built a strong foundation in visual systems, design process, and human-centered methodology — all applied through hands-on projects in Figma and prototyping tools.

en.design.hse.ru

École 42 (School 21)

2017 – 2019 · Moscow

Completed a full-time peer-to-peer coding program at School 21, the Russian campus of the international École 42 network. The curriculum focused on systems thinking, low-level programming, and project-based learning — with no teachers, no grades, and a strong emphasis on autonomy, collaboration, and problem-solving.

42.fr/en

GoPractice

2020 – 2022 · Remote

Completed an immersive simulation-based course focused on product growth, retention, and data-driven decision-making. Learned to interpret product metrics, run experiments, and use tools like Amplitude and SQL to inform UX and product strategy.

gopractice.io

Duolingo English Test — C1

Nov, 2023 · English proficiency certificate

certs.duolingo.com