Available for opportunities worldwide
Designing
I’m Jez, legally known as Rajesh Siburian, a Product Designer with 5 years of experience helping companies design enterprise platforms, health systems, and digital infrastructure that drive durable competitive advantage.
5+
10
12+
Selected work
FINTECH
National logistics ecosystem Indonesia
End-to-end product design for NLE Connect, a collaboration between the Ministry of Finance, ASDEKI, and Lacak.io. Designed a user-centered mobile platform for depot personnel across Indonesia.
IDR 1.462T
Projected logistics savings
72%
Gate-in time cut
6% GDP
Logistics cost reduction
HEALTHCARE
Building a conversion-ready website for a telehealth platform
Landed a new product leading to +9% onboarding completion.
B2B E-commerce
Leading design for global branded merchandise platform
Designed an automated merchandise supply, cutting bulk-order processing friction by 30% for global corporate clients including Meta and Uber.
AI Cybersecurity
Car License Plate Social Mobile Application
Designed a 0→1 social media with a custom "Poke-Alert" mechanism, reducing emergency notification friction.
