I am a Full Stack & MERN developer skilled in React JS, Next.js, React Native, Node.js, Express.js, and MongoDB. I build scalable web and mobile applications and MVPs with high performance, responsive design, and reliable backend solutions.
100+ Happy And Satisfied Clients
Explore some of my latest projects showcasing modern web and mobile applications. Each work reflects clean code, scalable architecture, and user-friendly design
Delivering scalable and high-performance applications across web, mobile, and cloud platforms for global clients.
Echologyx Ltd.
Bangladesh (Hybrid)
Spearheading A/B testing initiatives across multiple client platforms to analyze user behavior, optimize conversion funnels, and improve overall product performance through data-driven decisions.
Developing scalable, production-grade web applications using React, Next.js, and Node.js — ensuring high performance and maintainability across both frontend and backend layers.
Collaborating with product and analytics teams to design experiment frameworks and dashboards that visualize test metrics, engagement patterns, and experiment outcomes in real time.
Implementing advanced API integrations and modular code structures that enhance scalability and reduce technical debt across internal projects.
Conducting performance audits and refactoring existing codebases to improve load times, accessibility, and SEO scores.
StepUp Soft
Germany (Remote)
Served as lead frontend engineer for Logensa — a healthcare SaaS platform ensuring HIPAA and GDPR compliance, focusing on security, scalability, and accessibility.
Developed modular React architecture with optimized SSR via Next.js to handle thousands of daily active users with near-instant load times.
Collaborated with backend teams to design RESTful and GraphQL APIs using NestJS, ensuring clean data flow and type-safe communication across the stack.
Integrated robust form validation and encryption protocols to safeguard sensitive patient data.
Partnered closely with UI/UX designers to translate complex workflows into clean, user-friendly interfaces for clinicians and administrators.
Implemented role-based access control and real-time dashboards for analytics and patient management, drastically improving data visibility for clients.
Created By Cocoon
UK (Remote)
Worked as a full-stack developer for multiple global clients, delivering 7+ production-ready products across web, mobile, and PWA platforms.
Built reusable front-end architectures with Next.js, Gatsby, and React — integrating Firebase and Node.js backends for seamless user experiences.
Implemented SSR and SSG strategies to improve SEO performance and reduce load times by up to 60%.
Created real-time admin dashboards for eCommerce and marketing platforms using React Query, WebSocket, and Redux Toolkit.
Contributed to backend logic for Shopify integrations, marketing CRMs, and custom API endpoints using Express and MongoDB.
Set up automated testing and linting pipelines to enforce quality assurance across all projects.
Creative Business Group
Bangladesh (On-site)
Developed a complete SaaS-based Call Management System to optimize inbound and outbound customer communication for enterprise clients.
Engineered real-time call dashboards using WebSocket and React Native to provide live updates for customer support teams.
Built scalable APIs with Node.js and Express, integrating Redis caching and socket.io for seamless event-driven communication.
Implemented detailed analytics features, giving management teams visibility into agent performance and call resolution efficiency.
Optimized server queries, cutting response latency by 35% and increasing concurrent connection handling capacity.
Led weekly code reviews and contributed to internal toolkits that standardized React/Node boilerplates for future company projects.
Doatkolom
Bangladesh (Remote)
Joined early-stage startup as a founding developer, building their digital publishing platform from concept to live production.
Developed a modern, scalable frontend architecture using ReactJS, designed for easy content management and real-time editing.
Created server-side Node.js APIs integrated with Firebase and Algolia to enable instant content search and multi-device syncing.
Built a collaborative editor system where multiple users could write, edit, and publish simultaneously — boosting team productivity.
Introduced CI/CD workflows and containerized deployment strategies (Docker + Nginx), ensuring consistent builds and rollbacks.
Collaborated closely with designers and founders to evolve UX/UI and brand consistency as user base scaled.
Built full-stack MERN web and cross-platform mobile apps. Focused on client goals, user needs, and real business value.
An AI-powered chatbot system built to assist users in real-time with website analytics.
Logensa is a scalable healthcare SaaS startup in Baden-WĂĽrttemberg, Germany.
Bock Lighting (2009, Twinsburg, Ohio) continues Spero Electric’s legacy.
As a MERN Stack and web application Developer, I specialize in architecting & developing robust MVPs, dynamic web platforms, & scalable mobile applications from the ground up. Leveraging modern technologies like React.js, Next.js, Node.js, Express, MongoDB, & React Native, I enjoy translating complex concepts into high-performing, user-centric digital products. My engineering approach places a strong emphasis on clean code architecture, seamless user experiences, & optimized database performance. By prioritizing both rapid delivery & technical excellence, I ensure that every solution is built for adaptability, security, & long-term maintainability whether I'm crafting responsive frontend interfaces or engineering resilient backend systems.
Skilled in building full-stack web and mobile apps with React, Next.js, Node, Express, MongoDB, and React Native.
a data-driven, user-focused process designed to build reliable, scalable, and maintainable full-stack applications.
How it works
Understand client goals, audience pain points, and project scope. This step includes requirement gathering sessions, competitor research, and defining clear success metrics before a single line of code is written.
Translate insights into a structured technical plan. Define frontend and backend architecture, database relationships, and APIs. Every component and dependency is chosen for scalability and maintainability.
Design RESTful or GraphQL APIs with secure endpoints and efficient query patterns. Set up well-structured MongoDB schemas ensuring consistency, performance, and easy future migrations.
Build dynamic frontend interfaces with React or Next.js and powerful backend logic with Node.js and Express. Integrate APIs, implement authentication, and make sure every feature feels fast and intuitive.
Run comprehensive unit and integration tests. Use tools like Jest or Cypress to catch regressions early. Optimize code, fix edge cases, and ensure smooth performance across all devices and browsers.
Deploy the application to production using platforms like Vercel, AWS, or DigitalOcean. Set up real-time monitoring, error tracking, and analytics to ensure stability, uptime, and ongoing performance.
I help startups and teams launch, scale, or fix clunky UIs with clean code, modern tech, and scalable architecture.
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I build complete MERN apps from backend to frontend fast, secure, and scalable. Every line of code serves performance, not complexity. You get a product ready to launch, grow, and adapt with your business.
I make products that feel instant not just fast on paper. Using Next.js SSR, ISR, and structured data, your app becomes both performant and discoverable. Better load times, higher rankings, and real visibility that drives users, not just traffic.
Clean, secure APIs make your product reliable and future-proof. I design well-documented REST or GraphQL structures for easy scaling. Every integration is optimized for stability and clarity.
Growth exposes weak systems I make sure yours can handle it. From code cleanup to performance tuning and CI/CD setup, I’ve got you. Your product stays fast, stable, and ready to scale.
Real experiences from clients who turned their ideas into powerful digital products. Read how collaboration, delivery, and results made an impact.
I craft digital experiences that blend creativity, performance, and the latest technologies built to engage and grow.
Everything you need to know about working with me from first idea to final product.
My full-stack development portfolio primarily features applications built with the MERN stack (MongoDB, Express.js, React.js, Node.js). I also extensively use Next.js for server-side rendered React applications and React Native for cross-platform mobile app development. For styling, I prefer Tailwind CSS and Material UI.
You'll find a diverse range of projects including scalable SaaS applications, e-commerce platforms, custom web dashboards, and progressive web apps (PWAs). Each project demonstrates my expertise in frontend development, backend API design, database management, and responsive UI/UX principles.
Performance optimization is a core focus of my work. I utilize server-side rendering (SSR) and static site generation (SSG) with Next.js, implement lazy loading, optimize images, and ensure clean, efficient database queries. I strictly adhere to Core Web Vitals best practices to ensure lightning-fast load times and seamless interactions.
Some of the tools and smaller applications featured in my portfolio are open-source and available on my GitHub. Other larger projects showcase proprietary architectures I've designed. I am a strong advocate for the open-source community and actively contribute to JavaScript and React ecosystems.
Every project in my frontend developer portfolio is built with a mobile-first approach ensuring seamless functionality across all devices. I strictly follow WCAG accessibility guidelines, utilizing semantic HTML, proper ARIA labels, and keyboard navigation to make sure web applications are usable by everyone.
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Building modern web & mobile apps with MERN & Next.js. Follow for projects, code snippets, and dev insights.
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Full-Stack Developer | MERN & Next.js Specialist Sharing dev insights, projects, and remote work opportunities
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