// muller
end-to-end prdct design
// brands worked
2018 - 2026

ADP
human tech

Binance
crypto

Decathlon
e-com

SAP
data technology

Fila
e-com

Jack in the Box
food tech

Yalo
data technology

Agibank
banking

Tok&Stok
e-com

RBI
food tech

Multi
e-com

dengo
e-com

umbro
e-com

CacauShow
e-com

Reserva
fashion
02・work

homepage.scale
Hi, Mr. Scott
Welcome to Business Data Cloud
Ask or find...
What's new?
Help me to approve access
Resume System Health
Here some options to show <Data> from <Source> to <Location> in a <input> way.
Saved. You can see again your request on the history.
I want to compare Data Product activations, by type and department to be able to know how the dashboards are being distributed
BD9904
Datasphere 1
Generate
Strategic redesign of the homepage to scale conversion for large e-commerce. Research, A/B testing, component library, and delivery for multiple markets.
/role
UX Specialist
/scope
US,EU and BR
+ engagement
outcome
+ company pattern
outcome
1.1
nda:request

decahtlon.app: launch
Leadership of the Decathlon super-app launch in Brazil. From scratch to national launch: architecture, design system, multiple squads, global stakeholders.
/role
Senior UX
/platform
Android, iOS
+ user adoption
outcome
+ %14 conversion
outcome
2.1
access

kore.ds
Multi-brand Design System for mobile e-commerce. One system, multiple brand: delivery speed 3× faster and scalable visual consistency.
/role
Design Lead
/platform
Android, iOS
3x faster delivery
outcome
+20 clients
outcome
3.1
access
//daily manager
sofie.status:
just wake up - demanding walk
food.approval:
approved
uptime:
7y 6m - approval rate: 94%
//contact
linkedin.com/in/leormuller
porto alegre, Brazil - utc-3
03・about

hello
-30.0346º -51.2177º
/ and Sofie, my daily manager
analog photographer and designer.
specialized in design systems, accessibility and discovery.
masters in media studies and auto-adaptative AI UI
experienced with e-commerce, banking, crypto, and data industries.
//talks
//experience
2025 →
ux designer specialist
sap ・canada・remote
full-time
2023 → 2025
lead product designer
ambush ・united states・remote
full-time
2021 → 2023
sr product designer / lead product designer
kobe apps ・brazil
full-time
2020 → 2021
ux designer
dragon venture capital ・brazil
full-time
2019 → 2020
ux designer
adp brazil labs ・brazil
part-time
//education
2026 →
msc media studies and communications
puc-rs ・ai and self-adaptative ui
masters
2018 → 2022
ba communications and advertising
espm-sul
bachelors
2021
design system specialist
meiuca
specialization
2022.award
cannes future lions・short list
2021.award
young lions live award・short list
2021.award
expocom national・best art direction
2020.award
student of the year・gold award
2020.award
hackathon un social challenge・1st award
// muller
end-to-end prdct design
// brands worked
2018 - 2026

ADP
human tech

Binance
crypto

Decathlon
e-com

SAP
data technology

Fila
e-com

Jack in the Box
food tech

Yalo
data technology

Agibank
banking

Tok&Stok
e-com

RBI
food tech

Multi
e-com

dengo
e-com

umbro
e-com

CacauShow
e-com

Reserva
fashion
/senior-ux
Decathlon app
/lead-ux
Wendy's Fresh AI
/lead-ux
Multi Brand Mobile
02・work

homepage.scale
Hi, Mr. Scott
Welcome to Business Data Cloud
Ask or find...
What's new?
Help me to approve access
Resume System Health
Here some options to show <Data> from <Source> to <Location> in a <input> way.
Saved. You can see again your request on the history.
I want to compare Data Product activations, by type and department to be able to know how the dashboards are being distributed
BD9904
Datasphere 1
Generate
Strategic redesign of the homepage to scale conversion for large e-commerce. Research, A/B testing, component library, and delivery for multiple markets.
/role
UX Specialist
/scope
US,EU and BR
+ engagement
outcome
+ company pattern
outcome
1.1
nda:request

decahtlon.app: launch
Leadership of the Decathlon super-app launch in Brazil. From scratch to national launch: architecture, design system, multiple squads, global stakeholders.
/role
Senior UX
/platform
Android, iOS
+ user adoption
outcome
+ %14 conversion
outcome
2.1
access

kore.ds
Multi-brand Design System for mobile e-commerce. One system, multiple brand: delivery speed 3× faster and scalable visual consistency.
/role
Design Lead
/platform
Android, iOS
3x faster delivery
outcome
+20 clients
outcome
3.1
access
//daily manager
sofie.status:
just wake up - demanding walk
food.approval:
approved
uptime:
7y 6m - approval rate: 94%
//contact
linkedin.com/in/leormuller
porto alegre, Brazil - utc-3
03・about

hello
-30.0346º -51.2177º
/ and Sofie, my daily manager
analog photographer and designer.
specialized in design systems, accessibility and discovery.
masters in media studies and auto-adaptative AI UI
experienced with e-commerce, banking, crypto, and data industries.
//talks
//experience
2025 →
ux designer specialist
sap ・canada・remote
full-time
2023 → 2025
lead product designer
ambush ・united states・remote
full-time
2021 → 2023
sr product designer / lead product designer
kobe apps ・brazil
full-time
2020 → 2021
ux designer
dragon venture capital ・brazil
full-time
2019 → 2020
ux designer
adp brazil labs ・brazil
part-time
//education
2026 →
msc media studies and communications
puc-rs ・ai and self-adaptative ui
masters
2018 → 2022
ba communications and advertising
espm-sul
bachelors
2021
design system specialist
meiuca
specialization
2022.award
cannes future lions・short list
2021.award
young lions live award・short list
2021.award
expocom national・best art direction
2020.award
student of the year・gold award
2020.award
hackathon un social challenge・1st award
// muller
end-to-end prdct design
// brands worked
2018 - 2026

ADP
human tech

Binance
crypto

Decathlon
e-com

SAP
data technology

Fila
e-com

Jack in the Box
food tech

Yalo
data technology

Agibank
banking

Tok&Stok
e-com

RBI
food tech

Multi
e-com

dengo
e-com

umbro
e-com

CacauShow
e-com

Reserva
fashion

/senior-ux
Decathlon app

/lead-ux
Wendy's Fresh AI

/lead-ux
Multi Brand Mobile
02・work
04 cases
warning of nda
US/EU/BR
PRJ 01

homepage.scale
design strategy
specialist ux
Strategic redesign of the homepage to scale conversion for large e-commerce. Research, A/B testing, component library, and delivery for multiple markets.
/role
UX Specialist
/scope
US,EU and BR
+ engagement
outcome
+ company pattern
outcome
1.1
nda:request
Hi, Mr. Scott
Welcome to Business Data Cloud
Ask or find...
What's new?
Help me to approve access
Resume System Health
Here some options to show <Data> from <Source> to <Location> in a <input> way.
Saved. You can see again your request on the history.
I want to compare Data Product activations, by type and department to be able to know how the dashboards are being distributed
BD9904
Datasphere 1
Generate
PRJ 02

decahtlon.app: launch
mobile app
sr product designer
Leadership of the Decathlon super-app launch in Brazil. From scratch to national launch: architecture, design system, multiple squads, global stakeholders.
/role
Senior UX
/platform
Android, iOS
+ user adoption
outcome
+ %14 conversion
outcome
2.1
access
PRJ 03

kore.ds
design system
design lead
Multi-brand Design System for mobile e-commerce. One system, multiple brand: delivery speed 3× faster and scalable visual consistency.
/role
Design Lead
/platform
Android, iOS
3x faster delivery
outcome
+20 clients
outcome
3.1
access
03・about

hello
-30.0346º -51.2177º
/ and Sofie, my daily manager
analog photographer and designer.
specialized in design systems, accessibility and discovery.
masters in media studies and auto-adaptative AI UI
experienced with e-commerce, banking, crypto, and data industries.
//experience
2025 →
ux designer specialist
sap ・canada・remote
full-time
2023 → 2025
lead product designer
ambush ・united states・remote
full-time
2021 → 2023
sr product designer / lead product designer
kobe apps ・brazil
full-time
2020 → 2021
ux designer
dragon venture capital ・brazil
full-time
2019 → 2020
ux designer
adp brazil labs ・brazil
part-time
//education
2026 →
msc media studies and communications
puc-rs ・ai and self-adaptative ui
masters
2018 → 2022
ba communications and advertising
espm-sul
bachelors
2021
design system specialist
meiuca
specialization
2022.award
cannes future lions・short list
2021.award
young lions live award・short list
2021.award
expocom national・best art direction
2020.award
student of the year・gold award
2020.award
hackathon un social challenge・1st award
//daily manager
sofie.status:
food.approval:
approved
uptime:
7y 6m - approval rate: 94%
//contact
linkedin.com/in/leormuller
porto alegre, Brazil - utc-3