Bertha solves complex problems at scale
for users and businesses, driven by data and art.
8+ years specialized in consumer-facing product design.
see resume, or scroll





PRODUCT STRATEGY:
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
BERTHA USUALLY WORKS IN 3 PHASES:

*An end-to-end workflow used to solve scalable product problems, from discovery to measurable impact.
PORTFOLIO IN PROGRESS:
SELECTED 2016 - 2023 PROJECTS:
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.
Robertha Dayu 〰️ 2025
Product Designer
Contacts
e. roberthadayupasa@gmail.com
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