Portfolio.
Selected products and features
Andrzej Witkowski, 2025
Andrzej Witkowski, 2025
Billon
Mass Payout system
Reckitt Health
Enfamil in-app D2C Shop (during the emergency)
Consumer protection program in Asia
Scholl Foot Expert app
Twisto Pay
Referral program reactivation, with conditions and abuse prevention
Bulk repayment and Subscription improvement