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Mamun Khan
@mamun_khan2k22
Full Stack MERN Web Developer React Next js
Bangladesh
English
About me
Hi, I'm Mamun, a Full-Stack MERN Developer specializing in modern, high-performance business websites using React and Next.js. I build fast, SEO-friendly, and fully responsive websites that help businesses attract more customers and grow online. My stack includes React, Next.js, Tailwind CSS, Node.js, Express, and MongoDB to create secure and scalable web applications. I also help businesses generate leads through Facebook and Instagram Ads, combining web development and digital marketing to deliver real business results and better online visibility.
Skills
Mamun Khan
Offline •
See my services
Full Stack Web Applications
I will develop website in full mern stack react js node js backend
Full Stack Web Applications
I will do web development in mern stack react js node js frontend and backend
Portfolio
Work experience
MERN Stack Web Developer
MERN Stack Web Developer • Freelance
Jan 2022 - Present • 4 yrs 4 mos
I am a MERN Stack Developer specializing in building modern, scalable, and high-performance web applications. I develop responsive business websites, e-commerce platforms, and custom web applications using MongoDB, Express.js, React.js, and Node.js. My work includes: • Full-stack web development (MERN Stack) • Responsive frontend design with React and Tailwind CSS • REST API development with Node.js and Express • MongoDB database architecture • Admin dashboards and custom web applications • Website performance optimization I focus on clean code, modern UI/UX, and scalable solutions that help businesses grow online.
Full Stack Web Developer
Osonkho.com • Full-time
Nov 2024 - Feb 2026 • 1 yr 3 mos
Working as a Full Stack Web Developer at Osonkho (https://osonkho.com), an e-commerce platform focused on providing modern online shopping solutions. My role involves developing and maintaining scalable web applications, improving performance, and implementing user-friendly features for customers and administrators. Key responsibilities: • Developed and maintained e-commerce website features • Built responsive frontend interfaces using modern JavaScript technologies • Implemented backend APIs and database integration • Optimized website performance and loading speed • Worked on product management, checkout systems, and admin dashboards • Ensured responsive design and cross-device compatibility This experience has strengthened my expertise in building real-world production-ready e-commerce platforms and full-stack web applications.
8 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 8 Reviews
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Most relevant
djoreally
Repeat Client
United States
I am very pleased with the quality the speed and the attention to detail given to this order I can be a challenging client. and I appreciate the patience that was taken to understand my needs and to help me
Up to $50
Price
4 days
Duration
Seller's Response
Helpful?
thegentlecloser
United States
A++++++ Exceptional service from start to finish. Simply outstanding. I greatly appreciate Mamun's professionalism, care, speed, reliability, honesty, communication, and work quality. if you're looking for excellence, look no further!
$100-$200
Price
3 weeks
Duration
Helpful?
djoreally
Repeat Client
United States
this is not my first time working with Mr. Khan and it's been a pleasure. sometimes my ideas are very big and my ability to explain them is not so great. Mamun does a great job of understanding the task. His process of communication throughout the task is high level. I highly recommend and I will...
Seller's Response
Helpful?
drakilwassim
Congo [DRC]
Mamun is a very dedicated guy who can make you achieve any goal you are seeking in the related field. He was very helpful in our project and delivered the project on time and as requested. Very impressive. Good luck!
Seller's Response
Helpful?
djoreally
Repeat Client
United States
Great service. I dint know where to start. Mamun exhibited in-depth knowledge and skill required to accomplish this task. Communication throughout was consistent. And very patient.It was truly a pleasure and hopefully we will continue to work together as this is an in going project. And I truly believe I found the missing link. Thank you Mamun
Helpful?
