Hire the Best JavaScript Developers
in Vietnam

Hi, I’m Tuan Tran, a Full-Stack JavaScript Developer specializing in React, Next.js, Node.js, and modern SaaS applications. I help startups and businesses build scalable web products faster with clean architecture, maintainable code, and a strong focus on user experience. I have experience developing both frontend and backend systems, including APIs, authentication, databases, cloud integrations, and third-party services. This allows me to deliver complete solutions from idea to production. I focus on building products that are reliable, performant, and aligned with business goals—not just writing code. - Frontend Development: * React.js * Next.js (App Router / Pages Router) * TypeScript * Reusable component systems * Redux / Zustand / Context API * REST API / GraphQL integration * Responsive and mobile-first applications - Backend Development: * Node.js * Express.js * NestJS * Next.js API Routes * REST API & GraphQL API development * Authentication & Authorization (JWT, OAuth, MFA) * Database design and optimization * Webhooks and third-party integrations * Server-side rendering and backend services - Database & Cloud: * PostgreSQL * Supabase * MongoDB * Firebase * AWS S3 * Cloudflare * Vercel * Database architecture and performance optimization - AI Features & Modern SaaS * OpenAI / ChatGPT integration * AI chatbots * AI content generation tools * Workflow automation * Internal business tools * AI-powered dashboards * Smart search and recommendation systems - UI / UX Development * Tailwind CSS * Material UI * Shadcn/UI * Pixel-perfect Figma to React / Next.js * Cross-browser compatibility * Accessible user interfaces - Growth & Business Features * Stripe / PayPal integration * Analytics implementation * GTM / Meta Pixel * SEO-friendly Next.js applications * Performance optimization * Conversion-focused user experiences -Why Clients Hire Me * Full-stack development capability * Clean, scalable, production-ready code * Strong communication and transparency * Business-focused problem solving * Reliable long-term partnership * Fast delivery without sacrificing quality Whether you need a SaaS platform, internal business tool, customer portal, AI-powered application, or a complete web product, I can help turn your idea into a scalable solution. Feel free to send me a message to discuss your project.

Senior Full Stack Developer, 10+ years, now Head of Engineering for a HIPAA telehealth platform serving 100,000+ patients. I build SaaS products and MVPs end to end with Next.js, NestJS, PostgreSQL and AWS. 7,700+ hours, $300K+ earned, 100% Job Success. I also ship AI features that survive real users, not just demos: LLM agents, voice AI, and AI image and video pipelines. 48 jobs, Top Rated Plus, AWS Certified (Developer + Solutions Architect). Most clients call me Nelson. WHAT I GET BROUGHT IN FOR 1. SaaS and MVP builds: idea to production, one person owning frontend, backend, database and deployment. 2. Backend systems: NestJS and Node.js APIs, auth and permissions, background jobs, queues, webhooks, third-party integrations. 3. AI product work: LLM features, agents, AI image and video pipelines, voice AI, shipped inside real products with real users. 4. Rescue work: slow queries, breaking deploys, unreliable jobs, and codebases that need to ship again. WORK THAT SHOWS THE LEVEL (all three are Upwork contracts, 5 stars; full case studies in my portfolio below) 1. SceneWeaver: Founding Engineer, empty repo to closed beta used by filmmakers and educators in 30+ countries. Built the script-to-storyboard-to-video AI workflow, async media pipelines, and the AWS infrastructure. $60K+ over 1,556 hours. 2. Novi: HIPAA telehealth for GLP-1 care, now supporting 100,000+ patients. Built it with Next.js and NestJS, PHI handling on AWS, Stripe subscriptions, and integrations with three provider networks. The client brought me back as Head of Engineering, where I am today. 3. Press Play: national dance convention platform running across 20+ cities in the US and Canada. Next.js, Node.js, Prisma, Stripe, AWS. 972 hours, $48,600, completed February 2026. HOW I WORK I ask what the highest-risk piece is before I write any code, and I tell you when something should be cut for v1. You get code your next developer can read, short written updates, and no surprise rewrite six months later. Based in Ho Chi Minh City (ICT). I keep hours that overlap the US working day and I reply the same day, every day. STACK Next.js 15, React 19, TypeScript, Tailwind CSS, shadcn/ui NestJS, Node.js, Express, Python, FastAPI, Django PostgreSQL, Prisma, Drizzle, Redis, BullMQ AWS (Certified), Vercel, Supabase, Neon, Docker, GitHub Actions Stripe, Paddle, Supabase Auth, Firebase Auth OpenAI, LangChain, LangGraph, Vercel AI SDK, Replicate, ElevenLabs CERTIFICATIONS AWS Certified Solutions Architect - Associate AWS Certified Developer - Associate Upwork Skill Certification - React Front-End Development If you are starting a SaaS build, restarting a stalled one, or your backend is the thing holding the product back, send me the details and I will tell you what I would build first and what I would cut. A short chat is the fastest way to start.

I'm a full stack developer with more than 10 years of experience in website and mobile app development. I have highly experience and extensive knowledge in Node.js, AngularJs, Angular, React, Next.js, Backbone, jQuery, Ajax, HTML5, Bootstrap, Ionic. I love to refactor code and improve the performance to take a best result to your website. I can and will deliver great results with a process that's timely, collaborative and at a great value for my clients.

✋ Hi, I've been a web developer since 2016. For the last 8 years, I specialized in back-end REST Apis and front-end single-page application development. Since 2021 I mostly work on PETAL stack(Elixir, Phoenix, Tailwind, Alpine, Postgres). LiveView has become my most favorite way to develop Web app-no longer need to replicate data model from Back-end to Front-end side. ✔ Backend: Elixir/Phoenix/LiveView/Absinthe/Django/FastAPI/NodeJs ✔ Frontend: Vue/React with Vuex, Redux, SvelteKit ✔ HTML5, CSS3 with SCSS ✔ TailwindCSS, Material UI, Angular Flex-Layout, Vuetify, Bootstrap ✔ Toolings: npm, yarn, etc... ✔ Tests: Jest, Mocha, Chai, Cypress, TDD, Puppeteer, Cypress E2E ✔ Deployment: I can handle end to end deployment, whether it's Docker or NixOS Github: github.com/hoangbits 🎓 I have a Bachelor Degree in Software Engineering

I can make anything you want, if you can describe exactly what you want, will get the exact service until full satisfaction. If you are confused or cannot know, actually what you are wanting, I can also help you to decide what is possible in reality and what can be good for your business so that you can decide what service to take what's not. Feel free to hire for: - Web Development + HTML, CSS, Javascript, JQuery + ReactJS, NextJS, VueJS, Angular + PHP (Laravel, Wordpress...) + NodeJS (Express, NestJS...) + Python (Django, Flask...) + Web Scripts - Stripe, MangoPay, Coinbase - Web3, Blockchain - Security enhancements for Web Applications - Firebase, Amazon Web Services - AWS (Lambda, S3, DynamoDB, API Gateway, Cognito...) - Troubleshooting and bug fix - MySQL, PostgreSQL, MongoDB, Redis - API Development - Twilio, FreshChat, Zendesk - Facebook, Twitter, Github, Linkedin Integration - IDE: Visual Studio Code, IntelliJ, Sublime text - OS: Linux, Windows, Mac OS X - Git - Bug/Issue trackers: Jira, Redmine, Trello, ClickUp, Hubstaff, ... Looking forward to your response. If you like my skills. Hope to work with you for the long term.

Front-End Developer | React | Next.js | React Native | Expo | JavaScript/TypeScript Hi there! You can call me Anthony. As a passionate Front-End Developer, I specialize in building modern, responsive web and mobile applications with React and React Native. My journey in development has given me a strong foundation in JavaScript/TypeScript, complemented by a thorough understanding of UI/UX design principles and Component-Based architecture. I'm excited about the opportunities that technology presents to improve user experiences and streamline processes, and I enjoy tackling complex problems head-on.