Hire the Best Node.js Developers
in Bangladesh

Need a scalable backend, REST API, SaaS platform, or AI-powered automation? I can help you build it. I’m a Senior Software Engineer with 6+ years of experience building secure, scalable, and production-ready web applications for startups, businesses, and international clients. My core expertise is PHP, Laravel, Node.js, REST APIs, MySQL, Redis, and backend architecture, with frontend experience in React.js, Next.js, and Vue.js. I also build AI-powered workflows and business automation using n8n and API integrations. What I can help you with: 1️⃣ Laravel & Node.js Backend Development 2️⃣ REST API Development & Third-Party Integrations 3️⃣ AI Automation & n8n Workflows 4️⃣ SaaS & Multi-Tenant Application Development 5️⃣ Authentication, Roles & Permissions & API Security 6️⃣ Performance Optimization, Caching & Queues 7️⃣ MySQL Database Design & Optimization 8️⃣ Application Maintenance, Debugging & New Features Why work with me? I’ve led Agile development teams, designed scalable backend architectures, and delivered applications from planning through production. I focus on clean, maintainable code, clear communication, scalable architecture, and reliable delivery - not just making features work. 💬 Have a project in mind? Send me a message and let’s discuss how I can help.

Are you building a scalable SaaS platform, launching an MVP, or struggling with a high-traffic backend that is slowing down under real load? I am a Senior Backend and Full-Stack Engineer specializing in production-grade Node.js and Next.js systems. Over the past two years, I have engineered multi-tenant architectures for software platforms serving 1,000,000+ students across 7,000+ institutions — handling $100,000+ in monthly revenue at 99.9% uptime. When you hire me, you are not hiring someone to write code. You are hiring an engineer focused on business outcomes, data integrity, and cost efficiency. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I DO BEST ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ Payment & Billing Infrastructure Unified processing layers across Stripe, Paddle, and Xendit — with fail-safe webhook architecture that eliminates double-charging and partial-write data corruption. ▸ Database Optimization I rescue slow APIs. Through composite indexing, query rewrites, and schema redesign, I consistently reduce MySQL response times by 10–30% on the highest-traffic production endpoints. ▸ SaaS & Multi-Tenant Architecture Secure Role-Based Access Control, real-time connection-pooled services, and multi-tenant systems designed for scale from day one. ▸ Cloud Cost Optimization Migrated transactional email infrastructure to AWS SES and moved asset storage to AWS S3 — reclaiming 14+ GB of production database storage and cutting ongoing vendor costs. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRODUCTION METRICS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✔ $100,000+ monthly revenue handled at 99.9% uptime ✔ 1,000,000+ users across 7,000+ institutions on a single platform ✔ 14+ GB of database storage reclaimed via S3 migration ✔ Real-time services stabilized under thousands of concurrent connections ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ CORE STACK ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Backend → Node.js, Adonis.js, Django, REST API, Webhooks, Redis Frontend → React.js, Next.js, Redux, TypeScript Database → MySQL (Atomic Transactions, Composite Indexing), Redis Cloud → AWS SES, AWS S3, Docker, Linux Other → Codeforces Specialist (1400+ rating) — strong algorithmic problem-solving background ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If you need an engineer who takes full ownership of your backend, understands real-world scalability, and ships systems that survive production traffic — let's talk.

🟢 𝑨𝒗𝒂𝒊𝒍𝒂𝒃𝒍𝒆 🏆 𝑭𝒖𝒍𝒍 𝑺𝒕𝒂𝒄𝒌 & 𝑨𝑰 𝑬𝒏𝒈𝒊𝒏𝒆𝒆𝒓 🏆 𝑨𝑰 𝑺𝒂𝒂𝑺 𝑨𝒓𝒄𝒉𝒊𝒕𝒆𝒄𝒕 🏆 𝑳𝒂𝒓𝒂𝒗𝒆𝒍 & 𝑹𝒆𝒂𝒄𝒕 𝑬𝒙𝒑𝒆𝒓𝒕 🏆 𝑵𝒐𝒅𝒆.𝒋𝒔 & 𝑨𝑷𝑰 𝑺𝒑𝒆𝒄𝒊𝒂𝒍𝒊𝒔𝒕 🏆 𝑳𝑳𝑴 & 𝑨𝑰 𝑨𝒈𝒆𝒏𝒕 𝑫𝒆 # Senior Full Stack & AI Engineer | AI SaaS Architect | Laravel | React | Node.js | LLM | AI Agents | Mobile Apps I'm a **Senior Full Stack & AI Engineer** with **20+ years of IT and software development experience**, helping startups, agencies, and enterprises transform ideas into secure, scalable, and AI-powered digital products. I specialize in building **custom SaaS platforms, enterprise applications, AI solutions, marketplaces, CRM/ERP systems, education platforms, mobile apps, and workflow automation** using modern technologies and clean architecture. ### What I Can Build • AI-Powered SaaS Platforms • Enterprise Web Applications • CRM & ERP Systems • Multi-Vendor Marketplaces • Learning Management Systems (LMS) • AI Chatbots & AI Agents • Business Automation Tools • Admin Dashboards & Customer Portals • Booking & Subscription Platforms • Mobile Applications (Android & iOS) ### Core Technologies **Frontend:** React.js, Next.js, TypeScript, JavaScript, Tailwind CSS, HTML5, CSS3 **Backend:** Laravel, PHP, Node.js, Express.js, NestJS, Python, FastAPI **Databases:** MySQL, PostgreSQL, MongoDB, Redis **AI:** OpenAI, Claude, Gemini, AI Agents, LLM Integration, MCP, LangChain, RAG, Workflow Automation **Cloud & DevOps:** Docker, AWS, Azure, Google Cloud, Linux, CI/CD, GitHub ### My Expertise ✔ Full Stack Web Development ✔ AI Application Development ✔ SaaS Architecture & Multi-Tenant Systems ✔ REST API & GraphQL Development ✔ Third-Party API Integrations ✔ Payment Gateway Integration ✔ Authentication & Security ✔ Cloud Deployment & Server Management ✔ Performance Optimization ✔ Database Design & Optimization ### Industries • SaaS & Startups • AI & Automation • Education (EdTech) • E-Commerce & Marketplaces • CRM & ERP • Business Management Systems • Internal Enterprise Tools ### My Development Process 1. Requirement Analysis 2. System Architecture & Planning 3. Agile Development 4. Testing & Quality Assurance 5. Deployment & Cloud Setup 6. Long-Term Maintenance & Support ### Why Work With Me? ✔ 20+ Years of Professional IT Experience ✔ End-to-End Product Development ✔ Business-Oriented Solution Design ✔ Clean, Scalable & Maintainable Code ✔ AI + Full Stack Expertise ✔ Transparent Communication ✔ Reliable Delivery & Long-Term Partnership I don't just develop software—I build scalable products that help businesses grow. Whether you need an MVP, a modern SaaS platform, AI-powered automation, or a complete enterprise solution, I can help you deliver a reliable, future-ready product from concept to production. ### Recent Projects * SunPTE – AI-powered PTE & IELTS platform * Happilion Bangladesh – Multi-vendor eCommerce marketplace * Monitor.net – Business platform * Educas – Educational platform * Happoilion – Business management platform Whether you need a custom web application, AI-powered platform, SaaS product, marketplace, or enterprise solution, I can help bring your vision from concept to production. Let's discuss your project and build something exceptional together. **𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀:** Full Stack Developer | Senior Full Stack Developer | Python Full Stack Developer | Laravel Full Stack Developer | Django Full Stack Developer | FastAPI Full Stack Developer | Flask Full Stack Developer | React Full Stack Developer | Node.js Full Stack Developer | Next.js Full Stack Developer | Vue.js Full Stack Developer | Nuxt.js Developer | MERN Stack Developer | MEAN Stack Developer | PHP Full Stack Developer | Java Full Stack Developer | Spring Boot Full Stack Developer | Angular Full Stack Developer | React Native Full Stack Developer | JavaScript Full Stack Developer | AI Full Stack Developer | SaaS Full Stack Developer | Full Stack SaaS Engineer | Enterprise Web Application Developer | Web Application Developer | Backend Developer | Frontend Developer | Laravel PHP Developer | Laravel Developer | Laravel SaaS Developer | Python Developer | Python SaaS Developer | Django Developer | FastAPI Developer | Flask Developer | React.js Developer | React.js Frontend Developer | Next.js React Developer | Node.js Developer | Node.js Backend Developer | TypeScript Developer | JavaScript Developer | AI SaaS Developer | SaaS Application Development | Multi-Tenant SaaS Developer | OpenAI Integration Expert | Workflow Automation Developer | AI Automation Developer | REST API Full Stack Developer | REST APIs | GraphQL Developer | API Integration Developer | WebSocket Developer | Microservices Developer | Event-Driven Architecture | Kafka Developer | RabbitMQ Developer | Celery Developer | PostgreSQL Developer | MySQL Developer | MongoDB Developer | Redis Developer | Docker Developer | Kubernetes Developer | AWS Full Stack Developer | Azure Full Stack Developer | Google Cloud Develope

Hi, I am Zobaidul karim working as a Senior software engineer with a Master's Degree in Computer Science and engineering from Jagannath University I have 8+ years of experience developing a custom website, Core APIs, Database creation, and many more. If you are looking for a Reliable and self-motivated Web developer for your Web Project, then you are in the right place. Just send me a message so that we can discuss it. I have experience working with Node.js, MySQL, MsSQL, MongoDB, and AWS on the back end, and HTML5/CSS3/JS/jQuery/React.js on the front end. I have also DevOps Experience Docker, Kubernetes, CI/CD, AWS serverless API development, Cloud Storage, EC2, ECR, RDS Choosing a web developer can be daunting. When you decide to work with me, you get a partner who responds to emails, gets things done, and is committed to helping you succeed.

I am a senior Symfony, React, and Node js developer with more than 5+ years of expertise in PHP and JavaScript programming. I served as a full-stack and backend developer. I primarily utilize Symfony/Node js Framework for backend operations and React for frontend tasks, although I am also well-versed in PHP, JavaScript, TypeScript, MongoDB, and Next.js. I possess extensive knowledge and hands-on experience in MySQL, including fine-tuning and enhancing SQL queries. I can: - design and develop complex web services from scratch (frontend+backend) - design architecture of database - debug code to find bugs - version upgrade - integrate API Familiar with these technologies: - eDirectory - Angular - React - Next js - Node js - Symfony - MongoDB - Redis - RabbitMQ - Restful API - Linux - Nginx - Apache - Elasticsearch and many others I am excited about the opportunity to contribute my expertise and drive innovation in a dynamic and challenging environment.

I’m a React Native Engineer focused on building high-performance, scalable, and production-ready mobile applications. I work across the full mobile stack—from React Native and JavaScript to native Android, performance optimization, debugging, and application architecture. My strength is going beyond feature development: understanding how the system works internally, identifying performance bottlenecks, designing maintainable architectures, and solving complex production issues. I’m particularly interested in React Native internals, JavaScript runtime behavior, rendering performance, native integration, mobile system design, and building reliable applications at scale.