Hire the Best Express Js Developers
in Bangladesh

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Jafry Mondol D.

Gazipur, Bangladesh

$20/hr
4.4
61 jobs

๐Ÿš€ Senior React & Next.js Developer | Web & Mobile Applications Development ๐Ÿค– Lovable Expert | Experienced Prompt Engineer โšก 6+ Years Experience โ€ข Top Rated Developer with 6+ years of experience โ€ข Completed 50+ Upwork projects with $40K+ in earnings & 2,000+ hours logged โ€ข AI-augmented โ€œvibe coderโ€ using Claude, GPT, Cursor & Lovable/Bolt to accelerate delivery โ€ข Expert in React, Next.js, React Native & full-stack JavaScript systems I am a software engineer who transforms ideas into scalable, high-performance web and mobile applications. My core goal is to deliver real value: high quality, timely delivery, and long-term maintainability. Why work with me - I bridge design and engineering: turning complex wireframes into flawless, user-centric applications - I embrace โ€œvibe codingโ€ โ€” combining AI tools (Claude, GPT, Cursor, Lovable) with expert judgment to reduce repetitive work, eliminate errors, and deliver faster - I prioritize clear communication, structured milestones, and measurable outcomes - I enforce rigorous testing & code reviews to ensure stability and bug-free delivery My technical domain Frontend: React.js, Next.js, TypeScript, JavaScript (ES6+), Tailwind CSS, Bootstrap, Vue.js Backend: Node.js, Express.js, GraphQL, MongoDB, Supabase, Firebase Mobile / Desktop: React Native, Electron.js Tools & Workflow: Git (GitHub, GitLab), Postman, Swagger, Jest, VS Code, Chrome DevTools AI Builder: Lovable, Bolt, Any Core verticals & deliverables - SaaS platforms, dashboards & admin tools - E-commerce & marketplace applications - Real-time data-driven web apps - API integration & backend services - Mobile-first, responsive interfaces - Cross-platform mobile & desktop apps Selected achievements (frontloaded attributes) - Top Rated Developer on Upwork - $40K+ in Upwork earnings, 2,000+ logged hours - 50+ successfully delivered projects, many with repeat clients - Recognized consistently for clean, maintainable code and dependable collaboration Letโ€™s collaborate If you want to build from scratch, optimize an existing app, or scale your digital product, Iโ€™m ready to engage. Click Invite so we can explore your projectโ€™s next steps.

  • ExpressJS
  • JavaScript
  • PHP
  • React
  • HTML5
  • Laravel
  • MySQL
  • Node.js
  • Bootstrap
  • Vue.js
  • API Development
  • React Native
  • Supabase
  • Firebase
  • Framer
Md Humaon K.

Dhaka, Bangladesh

$30/hr
5.0
26 jobs

I'm a Top Rated Plus full stack developer with a 100% Job Success Score and around 9 years of experience building web apps that companies genuinely rely on every day. Those two badges aren't just decoration โ€” they mean every client I've worked with walked away happy enough to say so, and that's the standard I hold myself to on every project. I work across the whole stack โ€” the React and Next.js side users interact with, and the Node.js and Laravel side keeping everything running underneath. So instead of hiring separate people for frontend, backend, and deployment, you get one developer who can carry your project from a rough idea all the way to launch. A good chunk of my work has been in healthcare, so HIPAA compliance isn't a checkbox to me โ€” it's just how I build. When patient data is involved, the details matter: keeping PHI locked down, encrypting data in transit and at rest, setting up access controls so only the right people see the right things, and maintaining audit logs so there's always a clear trail. If your project touches patient information, that's one less thing you'll have to worry about explaining. Here's what I work with: Frontend: React.js, Next.js, TypeScript Backend: Node.js, Nest.js, Express.js, PHP, Laravel, CodeIgniter Databases: MySQL, MongoDB, DynamoDB REST APIs: clean and documented, so other developers aren't left guessing HIPAA-compliant healthcare apps: PHI protection, encryption, access control, audit logging Payments: Stripe, PayPal, Google Pay, Apple Pay Cloud & DevOps: AWS, DigitalOcean, Google Cloud, Docker, CI/CD, Git What you get working with me is simple: clear communication, realistic timelines, and work that ships when I say it will. The Top Rated Plus status and 100% success score didn't happen by accident โ€” they're the result of treating every project like it matters, because to my clients, it does. So if you've got something in mind โ€” a web app, a REST API, a payment setup, or a healthcare platform that needs to stay compliant โ€” send me a message and tell me about it. I'm happy to talk it through first, no pressure to commit.

  • ExpressJS
  • JavaScript
  • Amazon S3
  • Amazon DynamoDB
  • Amazon EC2
  • NestJS
  • Amazon Web Services
  • Laravel
  • Node.js
  • MongoDB
  • PHP
  • MySQL
  • API
  • RESTful API
  • AWS Lambda
Mashrafi A.

Narayanganj, Bangladesh

$10/hr
5.0
9 jobs

I'm a React Native Developer specializing in building fast, scalable, and production-ready mobile applications. I help businesses develop new mobile apps, improve existing React Native applications, and solve performance bottlenecks that affect user experience. My expertise includes: โ€ข React Native โ€ข JavaScript & TypeScript โ€ข React โ€ข Node.js โ€ข REST API Integration โ€ข Firebase โ€ข Redux Toolkit โ€ข React Query โ€ข Performance Optimization โ€ข Debugging & Profiling I pay close attention to application performance and code quality. Whether it's reducing unnecessary re-renders, improving rendering performance, fixing memory-related issues, optimizing API interactions, or making the application more maintainable, my goal is to build software that performs reliably in production. I believe communication is just as important as writing code. I keep clients updated, ask the right questions, and focus on delivering clean, maintainable solutions on time. If you're looking for a React Native developer who values performance, reliability, and long-term maintainability, I'd be happy to discuss your project.

  • ExpressJS
  • JavaScript
  • React
  • React Native
  • TypeScript
  • Node.js
  • Redux
  • Mobx
  • MongoDB
  • PostgreSQL
  • Firebase
  • Next.js
  • MySQL
  • Software Architecture & Design
Md M.

Shaghatta, Bangladesh

$20/hr
5.0
3 jobs

I help businesses build fast, scalable web applications with Next.js and React that don't just work โ€” they grow with your business. I'm a Full Stack Developer specializing in Next.js and the MERN stack, with over 4 years of experience building scalable, SEO-friendly, high-performance web applications. I help companies move from messy, hard-to-maintain codebases to clean, scalable architectures โ€” and I bring specific domain depth in warehouse management, logistics, and courier/parcel systems, so if your project touches inventory, shipping, or operations workflows, I already speak that language. ๐–๐ก๐š๐ญ ๐ˆ ๐›๐ฎ๐ข๐ฅ๐: โœ… SaaS applications with multi-tenant architecture โœ… Custom dashboards, admin panels, and ERP/CRM systems โœ… SEO-optimized, high-performance Next.js websites and landing pages โœ… E-commerce storefronts with admin + CMS โœ… REST APIs, database design (PostgreSQL, MongoDB, Redis) and deployment (Docker, AWS, Vercel) ๐“๐ž๐œ๐ก ๐ฌ๐ญ๐š๐œ๐ค: Next.js, React, TypeScript, Node.js, Express, NestJS, PostgreSQL, MongoDB, Prisma, Redis, Tailwind CSS, Docker, AWS, Vercel ๐–๐ก๐ฒ ๐œ๐ฅ๐ข๐ž๐ง๐ญ๐ฌ ๐ก๐ข๐ซ๐ž ๐ฆ๐ž: โœ… Performance-first โ€” strong Core Web Vitals and clean architecture by default โœ… Type-safe, maintainable code you (or the next dev) can build on โœ… Business-oriented โ€” I ship solutions that drive growth, not just features โœ… Clear communication and reliable delivery (see my reviews below) Available to start immediately. Message me with a short description of your project and I'll reply with exactly how I'd approach it. Full Stack Developer | Next.js Developer | React Developer | Node.js Developer | TypeScript Developer | SaaS Developer | ERP Developer | CRM Developer | Full Stack Web Developer | Backend Developer | Frontend Developer | MERN Stack Developer | Web Application Developer | API Developer | Warehouse Management System | Logistics Software Developer

  • ExpressJS
  • JavaScript
  • Next.js
  • Full-Stack Development
  • React
  • Node.js
  • TypeScript
  • Tailwind CSS
  • PostgreSQL
  • MERN Stack
  • Web Development
  • HTML
  • CSS
  • SaaS
  • MongoDB
  • Web Application
  • Software Development
  • API Development
  • Front-End Development
Md. Abu M.

Bagerhat, Bangladesh

$40/hr
5.0
10 jobs

Full-Stack AI SaaS Developer building production B2B platforms where AI agents, Stripe billing, and multi-tenant architecture work together at scale. Top-Rated ยท $30K+ delivered ยท 5+ years building systems, founders scale without rebuilds โ€” including a healthcare SaaS at 1,000+ patients with zero payment incidents. WHAT I BUILD End-to-end SaaS platforms โ€” backend, frontend, AI agents, payments, infrastructure. Not a generalist who "also knows AI" or "also touches Stripe." A full-stack SaaS engineer whose AI and billing layers are the parts most teams underbuild. โ†’ Multi-tenant SaaS architecture with proper data isolation, RBAC, and tenant-aware billing โ†’ Subscription platforms with Stripe Billing โ€” plans, proration, dunning, usage-based metering โ†’ Marketplace platforms with Stripe Connect โ€” Standard, Express, and Custom accounts, deferred onboarding, split payouts โ†’ Production webhook infrastructure โ€” idempotency, retries, dead-letter queues, signature verification โ†’ Authentication, authorization, customer portals, and admin dashboards โ†’ API design (REST + tRPC) with rate limiting, auth, and proper error handling AI IN PRODUCTION SAAS AI features are now expected in B2B SaaS. I build them as core capabilities, not bolt-ons: โ†’ Custom multi-LLM agents that complete multi-step workflows (onboarding, form processing, support automation) โ†’ OpenAI and Claude API integrations with cost controls, retry logic, observability, and fallback handling โ†’ Multi-model routing โ€” the right LLM for each task (cheap models for classification, premium for reasoning) โ†’ Document-aware chat and RAG pipelines (pgvector), plus workflow assistants โ†’ Usage tracking and metered billing for AI features โ€” the Stripe Billing + AI metering integration most teams ship broken I understand the business side of AI features โ€” token costs, latency, fallbacks, prompt observability, and how to bill for AI usage correctly. PAYMENTS DEPTH The Stripe billing layer is where most AI SaaS products break quietly โ€” subscriptions that don't update, metered events that go unreported, and webhook handlers that fail to process dispute events. I've shipped production payment systems across 7 gateways โ€” Stripe (including Connect), PayPal, iXoPay, Dimoco, ACI Processing, emerchantpay, and PayBank2Bank. Real depth across subscription billing, usage-based metering, marketplace payouts, and webhook reliability. RECENT WORK โ†’ catalyst-payment-app (B2B SaaS) โ€” Custom multi-LLM agent for payments onboarding automation. Multiple models are routed for adaptive multi-step form completion. Stripe Connect with deferred KYC and multi-gateway fallback. โ†’ Inoqare (HealthTech SaaS) โ€” Architected from zero. Multi-tenant healthcare platform serving 1,000+ patients with subscription billing and zero payment incidents in production. โ†’ Multi-step payment flow optimization (Marketplace) โ€” Custom checkout retention flow that lifted payment conversion by 35%. โ†’ Gateway integration optimization โ€” Diagnosed integration issues silently dropping conversions. +20% lift, pure infrastructure work. โ†’ Real-time SaaS platforms โ€” Twilio-based chat, voice, and custom invoicing with integrated billing. INDUSTRIES AI SaaS ยท B2B SaaS ยท HealthTech ยท FinTech ยท Marketplaces ยท Subscription platforms ยท Workflow automation STACK Backend: Node.js ยท NestJS ยท Express ยท TypeScript ยท PostgreSQL ยท MongoDB Frontend: Next.js ยท React ยท Tailwind ยท shadcn/ui AI: OpenAI API ยท Claude API ยท Multi-model agents ยท RAG / pgvector ยท LLM workflow integration ยท Prompt engineering Payments: Stripe (Connect, Billing, Tax) ยท PayPal ยท regional gateways Infrastructure: AWS ยท Vercel ยท Docker Real-time: Twilio ยท WebSockets HOW I WORK โ†’ Fixed price, fixed scope, fixed timeline โ€” no surprise hourly bills โ†’ Daily async updates (Slack, Loom, written) โ€” async-first, calls only when essential โ†’ Clean code with tests, docs, and deployment instructions โ†’ NDA from day one Whom I WORK WITH BEST โ†’ AI SaaS founders building agent-based or LLM-powered products โ†’ B2B SaaS adding AI features that need to be metered and billed โ†’ Marketplace founders needing Stripe Connect done right โ†’ Existing SaaS with AI integration, billing, or webhook pain โ†’ Agencies needing a white-label AI + SaaS + payments specialist If your project involves building an AI SaaS, integrating AI agents, shipping Stripe billing, or fixing payment infrastructure โ€” send me a brief. I'll respond within 24 hours with a decision on whether it's a fit.

  • ExpressJS
  • JavaScript
  • SaaS Development
  • Node.js
  • Web Application
  • Web Development
  • API
  • React
  • Next.js
  • TypeScript
  • API Development
  • NestJS
  • PostgreSQL
  • MongoDB
  • AWS Development
  • AI Development
  • Stripe
  • Payment Gateway Integration
  • Vercel
Rashedul I.

Noakhali, Bangladesh

$30/hr
4.8
12 jobs

Iโ€™m a full-stack developer specialising in Next.js, Node.js, TypeScript, and Prisma, focused on building scalable SaaS platforms and high-performance web applications. What I Can Do for You: โ€ข Build SEO-friendly, responsive frontend using Next.js + React. โ€ข Develop robust backend APIs with Node.js, Express, and TypeScript. โ€ข Design and maintain efficient databases using Prisma + PostgreSQL / MongoDB. โ€ข Implement subscription-based SaaS models: multi-tenant systems, authentication, dashboards. โ€ข Deploy apps using CI/CD, Docker, and Vercel or AWS for reliability and scalability. Why Choose Me: โ€ข Reliability & Clean Code: I write clean, maintainable code with a strong focus on quality. โ€ข Problem-Solving: Iโ€™m good at breaking down complex problems and delivering effective solutions. โ€ข Transparent Communication: I keep you updated at every stage and am committed to deadlines. โ€ข Scaling Focus: My solutions are built to grow โ€” whether youโ€™re a startup or scaling up. Letโ€™s discuss your idea โ€” Iโ€™ll help turn it into a production-ready, scalable application.

  • ExpressJS
  • JavaScript
  • Node.js
  • React
  • MongoDB
  • Next.js
  • API Integration
  • Tailwind CSS
  • Redux
  • Redux Thunk
  • REST API

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