Frontend Developer
React
Next.js
TypeScript
UI

Frontend.Developer.Fast.Clean.Scalable UI.React.Next.js.TypeScript.

Architecting scalable web applications with React, Next.js, and TypeScript. Focused on building tools that simplify complex business operations.

Performance
SEO
Responsive
Design System
Frontend

About Me

I’m a Product-Minded Developer who builds scalable solutions for complex business challenges.

With expertise in Next.js and TypeScript, I specialize in bridging technical architecture with business impact. My experience ranges from engineering automated financial systems to optimizing performance for 100k+ users, ensuring every product is performant, reliable, and drives growth.

Experience

Work journey presented as a clear timeline from freelance projects to product-focused roles.

Bonbon Mobility

Frontend Developer (Middle)

May, 2025 – Present
  • Refactored high-traffic legacy systems with zero downtime, ensuring uninterrupted service for thousands of users while enhancing stability and performance
  • Leveraged AI (Copilot, ChatGPT, Claude) to automate tasks and accelerate feature delivery, effectively increasing productivity by 10x
  • Architected and managed 8 independent codebases simultaneously, ensuring seamless scalability and a unified user experience across the mobility ecosystem.
  • Developed a Custom Internal UI Library from scratch using Tailwind CSS and Radix UI, reducing development time by 40% and maintaining 100% design consistency.
  • Engineered an automated financial reconciliation system, streamlining payment matching between internal bookings and bank statements to reduce manual workload by 50%.
  • Developed an Operational Dashboard to streamline CS workflows, enabling real-time booking tracking and visual management of the entire booking lifecycle.
  • Engineered a Fleet Management System compliant with QCVN standards, integrating real-time GPS tracking and high-performance map-based interfaces.
  • Directly collaborated and integrated core services with major partners, including insurance providers (BSH, PVI, PTI) and VNPT eKYC solutions.
  • Led the end-to-end refactoring of 4 legacy systems to Next.js App Router, achieving a 70% improvement in Page Speed and Core Web Vitals.
  • Managed and executed Technical SEO Strategies, directly enabling the keyword "thue xe tu lai" to reach Top 1 on Google.
Next.jsReact.jsTypeScriptTailwind CSSRadix UISEO
Freelance / Remote

Full Stack Developer

Sept, 2023 – Present
  • Architected and delivered 5+ responsive web applications using Next.js, React.js, TypeScript, and Nest.js for diverse business domains.
  • Optimized Web Vitals and frontend performance, achieving an average 30% increase in loading speed and enhancing SEO rankings.
  • Integrated complex RESTful APIs and designed scalable database schemas, ensuring seamless data flow for dynamic, data-driven applications.
  • Consulted directly with clients to transform business requirements into technical roadmaps, ensuring 100% on-time delivery.
Next.jsReact.jsTypeScriptNest.jsRESTful APIPerformance
HISOTEK (Remote)

Frontend Developer

May, 2025 – Aug 2025
  • Led the frontend architecture for enterprise-level systems, implementing modular design patterns in React.js to improve code reusability by 40%.
  • Engineered AI-powered features, including real-time data processing and predictive analytics dashboards, maintaining performance under heavy data-intensive workflows.
  • Enhanced system reliability by implementing comprehensive unit testing and optimizing state management, reducing production bugs by 25%.
React.jsTypeScriptAI FeaturesUnit TestingState Management
FPT Software Company

ReactJS Developer (Intern)

Jan, 2024 – June 2024
  • Developed a Student Learning Management System, focusing on intuitive UI/UX and core features that streamlined academic tracking for 500+ users.
  • Collaborated in an Agile environment, participating in daily scrums and cross-departmental meetings to ensure synchronized development cycles.
  • Executed rigorous manual and automated testing phases, ensuring functional integrity and smooth deployment of new software modules.
React.jsUI/UXAgileManual TestingAutomated Testing

Projects

Selected frontend products focused on performance, clean architecture, and real business impact.

BonBonCar – Leading Self-Driving Car Rental Ecosystem

BonBonCar – Leading Self-Driving Car Rental Ecosystem

Next.jsReact.jsTypeScriptTailwind CSS
BonBonFleet – Enterprise Fleet & Dashcam Monitoring System

BonBonFleet – Enterprise Fleet & Dashcam Monitoring System

ReactReact.jsTypeScriptTailwind CSS
BonBonAuto – Automotive Marketplace & Insurance Hub

BonBonAuto – Automotive Marketplace & Insurance Hub

Next.jsReact.jsTypeScriptTailwind CSS
Vinomig – Plastic Industry Corporate & Recruitment Portal

Vinomig – Plastic Industry Corporate & Recruitment Portal

React.jsTypeScriptSupabase (Auth, Database, Storage)Tailwind CSS
Koine – A Comprehensive Sex Education Platform for Children and Adolescents

Koine – A Comprehensive Sex Education Platform for Children and Adolescents

Next.jsNestJSReact NativeTypeScript
Chill có Gu – A Media Survey Platform to Understand Audience Preferences

Chill có Gu – A Media Survey Platform to Understand Audience Preferences

Next.jsTypeScriptFirebase Realtime DatabaseTailwind CSS

Skills

Technical capabilities for building scalable frontend products from UI layer to production.

Fullstack Core

  • React.js
  • Next.js
  • Nest.js
  • Node.js
  • TypeScript
  • JavaScript
  • HTML5 & CSS3

UI Engineering

  • Custom UI Library
  • Tailwind CSS
  • Shadcn/ui & Radix UI
  • Ant Design & MUI
  • Styled Components
  • Figma to Code (Pixel-Perfect UI)

State, Data & Routing

  • TanStack Query
  • Zustand & Redux Toolkit
  • TanStack Router & React Router v6
  • Zod
  • React Hook Form
  • REST & GraphQL Integration

Quality & Architecture

  • Performance Optimization (Web Vitals)
  • Scalable Frontend Architecture
  • Technical SEO
  • Git Workflow (GitHub, GitLab)
  • Docker & CI/CD Basics

Contact

Let's build a fast, scalable frontend product together.

Available for freelance projects, long-term collaboration, and frontend engineer opportunities.

Le Bao Khang logoLe Bao Khang