Tran Van Loi

Software Engineer with 5 years of experience building enterprise SaaS and production web applications across the full development lifecycle.

I am Tran Van Loi, a Software Engineer with 5 years of experience building enterprise SaaS and production web applications across frontend, backend, data, and delivery.

Years building production software systems
Enterprise clients served on a Japanese HR platform
Microservices delivered in a full-stack platform

Selected workNewFeed, NovaShop and more Let's work togetherOpen to remote roles & clients

Work history

Where I have shipped production software.

Freelance

March 2026 - Present

Software Engineer, Remote

Building a mobile-first grants assessment and lead-generation platform for an SME financing client.

FPT Software

February 2022 - February 2026

Software Engineer

Delivered enterprise HR, logistics, interactive floor-management, and AI surveillance systems for international clients and FPT products.

DYNO

June 2021 - November 2021

Frontend Developer Intern

Built the camera-capture kiosk flow and admin dashboard for an AI face-recognition attendance product.

Toolkit

The stack I reach for.

A production-ready toolkit spanning interfaces, APIs, data, real-time systems, testing, and delivery.

React

TypeScript

Next.js

Node.js

Express

FastAPI

GraphQL

PostgreSQL

Redis

RabbitMQ

Tailwind CSS

Vitest

Cypress

GitHub Actions

Docker

Kubernetes

Argo CD

SonarQube

Writing

Notes on software architecture, reliability, and performance.

AdvancedJuly 21, 202612 min read

JWT rotation, IDOR, and the security decisions behind NovaShop

Auth in NovaShop spans three layers: NestJS issues tokens, Next.js holds the cookies, middleware quietly refreshes. Most of the small decisions here are the ones skipped when you build auth 'quickly' - and the ones attacked most often in practice.

SecurityAuthNestJS

IntermediateJune 18, 20269 min read

NovaShop and the Next.js App Router caching problem: a real case study

Most Next.js tutorials stop at revalidate = 60. NovaShop draws the App Router's three cache layers explicitly and handles each one on purpose - including the parts Next.js documents poorly across the 15 → 16 shift.

Next.jsCachingApp Router

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