Nguyễn Văn Rum · RumitX — Builder shipping products & open source.
Mobile Leader • Edge AI & POS Systems • Developer Tools
I design and ship things people actually use — mobile apps, Edge-AI & POS systems, and developer tools. From hardware integration to robust software at scale.
- Mobile architecture — Native Android (Kotlin/Java) & iOS (Swift), MVVM, Jetpack, mobile CI/CD
- Open-loop transit & POS payments — EMV L2/L3, AFC, MDM, POS SDKs · Visa · Mastercard · Napas
- Edge AI — human/vehicle detection & object tracking on Qualcomm QCS (DSP/GPU)
- Developer tools & open source — building in the open on GitHub
Mobile Leader @ VinSmart Future — building GoAFC + GoPS (open-loop transit payments for HCMC's Management Center of Public Transport) and XanhBus running inside the GreenSM super app.
| Project | What it is |
|---|---|
| tre-mem | Branch-aware shared memory for AI coding assistants — git-native team memory, no server, no API keys |
| temlet | Turns an After Effects render pipeline into an automated content factory |
- 🥉 3rd Runner-Up — Qualcomm Vietnam Innovation Challenge (QVIC) 2021 (bHub AI Edge, with the Phenikaa MaaS team)
- 🚌 Core developer on BusMap / VinBus — millions of users
- 🛂 Edge-AI gate automation for Da Nang Port (SmartPort)
- 💳 EMV L2/L3-certified onboard POS payments for automated fare collection across HCMC

