Web App
TSC.ai
Turning scattered enterprise data into a connected intelligence system — from 0 to production
Designed the full Genie platform from scratch: 8 feature areas, a shared design system, and an AI co-pilot that brings media, stakeholders, and analysis into one workflow.
TSC.ai
Making relationship intelligence native to the platform — not a workaround in Miro
Designed a visual canvas where enterprise teams can map stakeholder connections, discover the shortest path between any two people, and access the full intelligence layer without leaving the graph.
TSC.ai
Connecting notes, AI insights, and exports so stakeholder context stops getting lost
Identified a fragmentation problem costing teams 4+ hours per engagement session — then designed one unified system that replaced four separate manual workarounds.
great2know · Germany
Designing a knowledge transfer SaaS platform so critical expertise doesn't leave when people do
Designed the full product experience for a B2B SaaS that captures, structures, and transfers institutional knowledge during personnel transitions — 4 modules, 3 user types, 0→1.
Tiki
Giving Tiki sellers a clear picture of aging stock — before it became a write-off problem
Designed an inventory analytics tool that turned raw stock data into actionable decisions — age-bucket visualisation, filters, and curated recommendations in a 1-month sprint.
Opinew · Freelance
Redesigning Opinew's website to communicate trust faster and convert better
Applied the new brand system to a complete website redesign — restructured navigation, above-fold trust signals, and feature pages that lead with outcome over feature lists.
Opinew · Freelance
Rebuilding Opinew's brand to communicate trust and stand out in a crowded market
New logo, color system, UI language, and messaging strategy for a UK-based review management SaaS — designed to signal credibility and growth to e-commerce businesses.
Tiki
Cutting seller payout time from 7 days to instant on Vietnam's largest e-commerce platform
Unified fragmented balance views across multiple seller roles, enabled same-day withdrawals, and removed the bank-transfer bottleneck that was costing teams time and fees.
EcomSolid
Redesigning GemPages to reduce editor friction for 5,000+ Shopify merchants
Restructured navigation, streamlined key workflows, and shipped a full dark mode — all from user research in 90 days.
Mobile App
Personal · iOS · jaytran-prog.github.io
Designing and building a privacy-first medication tracker for kidney patients — from personal need to App Store
Built end-to-end in SwiftUI from a real clinical need: flexible scheduling for complex regimens, a dedicated Kidney Mode with dialysis and lab tracking, bilingual support, and zero cloud dependency.
Personal · iOS · wordpopi.netlify.app
Building a vocabulary learning app with multiplayer battles and OCR import for English, Korean, and Thai
Designed and built end-to-end: four adaptive study modes, real-time Wi-Fi multiplayer via MultipeerConnectivity, camera-based deck creation, and 1,000+ curated words — all offline, no subscription.
Weallnet · Vietnam
Redesigning a Vietnamese media app's content experience — reducing overload without reducing depth
Rebuilt the information architecture and added personalisation to a content platform mixing news, entertainment, and chat — 3-month full-time engagement with measurable engagement uplift.
Kreebox · Singapore
Designing a DeFi lending app where trust is the first design problem
3-week sprint to design a full crypto lending and borrowing experience — collateral flows, LTV risk indicators, lending dashboards — for both newcomers and experienced DeFi traders.
Freelance · South Korea
Replacing manual temperature logs with real-time monitoring for cold storage operators
Designed a mobile platform from research to handoff — replacing fragmented manual processes with live monitoring, camera-based scanning, and automatic compliance documentation.