Bertha designs for both humans and businesses:
solving problems with data and a touch of art. 


8+ years product designer specialized on
consumer-facing and discovery experience.

  

see resume, or scroll

porto
bklpk-lgo
Screenshot 2024-07-18 at 00.35.44
sinarmas
0053-logo-telkom

PRODUCT STRATEGY:

  • Complex end-to-end projects
  • Building 0 (zero) to 1 (one) products
  • Low cost development, but high impact projects

KEY PRODUCT EXPERIENCE (MOBILE APP & WEBSITE):

Including *Growth Retention, Acquisition & Promotion. *Finance  Spending App, Payment & Refunds. *Checkout & Conversion. *Logistics. Buyer & Seller Discovery, both B2C and B2B users

SELECTED 2024 - 2025 PROJECT:


 

Driving +2% ATC, +7% Orders, and +34% M1 Retention with Minimal Effort
Driving +2% ATC, +7% Orders, and +34% M1 Retention with Minimal EffortSayurbox
Inclusion: A Simple Promo Rule Lifted AOV +20% and Margins to 35%
Inclusion: A Simple Promo Rule Lifted AOV +20% and Margins to 35%Sayurbox (Portfolio in Progress)
Checkout: +2% Conversion, +18% Voucher Use, and 4.7× Subscription Adopt
Checkout: +2% Conversion, +18% Voucher Use, and 4.7× Subscription AdoptSayurbox (Portfolio in Progress)

SELECTED 2016 - 2023 PROJECTS:


 

COD as a Payment: Only <2% Rejected Items
COD as a Payment: Only <2% Rejected ItemsBukalapak
Designing BukaExpress: Reducing Courier Dependency
Designing BukaExpress: Reducing Courier DependencyBukalapak
0 to 1 Project: Create Name, Logo, Mobile App
0 to 1 Project: Create Name, Logo, Mobile AppPocket ID
A Sleek, Compact & Trustworthy Website
A Sleek, Compact & Trustworthy WebsitePocket ID
Designing Fira-OS for Polytron: Wallet, Fingerprint, Battery & More
Designing Fira-OS for Polytron: Wallet, Fingerprint, Battery & MoreAntikode
Maybank Customer Education Website (Pitching)
Maybank Customer Education Website (Pitching)Antikode

Some other projects:

Many other Sayurbox projects
Many other Bukalapak projects
One Smile app - Sinarmas Land
Getmystore.com in One Smile app - Sinarmas Land
Digidut wireframe - Telkom Indonesia
 Mobile app - e-Toll
Photo app - Fueru.jp
Finance loan app - TunaiKita
Usability review - BNI Internet Banking
Usability review - Mandiri Online Mobile Banking

and many more.

*Feel free to contact me directly to see my other projects in detail.

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Robertha Dayu 〰️ 2025 

Product Designer

Contacts
e. roberthadayupasa@gmail.com
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