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
Native dashboards: letting teams build their own intelligence view inside Genie
Designed a widget library, live-preview setup and role-based sharing so teams track what matters without exporting data to slides.
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.
PayMight
Designing a Web3 payment platform where cross-border money moves like a local transfer
Year-long freelance engagement designing PayMight end-to-end virtual bank accounts, pay/receive/transfer flows across fiat and digital assets, staged KYC verification, and a yield dashboard.
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.