Heejung Sung | Product Designer - Just another designer's portfolio

Hey there, I am a product designer with end-to-end experience leading mobility services, SaaS platforms, and AI-driven products from 0→1 through continuous iteration. I specialize in translating complex systems into scalable, user-centered solutions through agile execution, data-informed decisions, and strong cross-functional collaboration.

Design for humans and AI

IBM Watson Insights

Watson Insights is an embedded module that provides contextual information and personalization experience using AI that allows us to make decisions smarter in our daily lives.

#AI #Mobile #Web
2018~2019

IBM Watson InsightsWebAIMobileDesign system

Design for business

Sendbird Desk

Sendbird Desk provides software specialized for customer service that includes an intelligent auto-routing and ticket transfer system that assigns tickets to available agents.

#SaaS #B2B #Web
2020-2022

Sendbird DeskB2B SaasWeb

Design for an early startup

Ramper

Ramper is an infrastructure that simplifies web3 user onboarding by allowing d’apps to embed a wallet and login solution.

#Web3 #Mobile #Web
2022-2023

RamperWebMobileWeb3Branding

Design with AI

AI Idea Exploration

This is a side project to explore new opportunities and get real insights utilizing AI (NLP & Image Enhancer) from building to shipping as quickly as possible.

#AI #Mobile #Web
2022-2023

AI ExplorationWebAIMobileBranding

Gather

©Heejung Sung | 2025