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I will be ai saas web app mern stack developer
Mithun
Level 1
5,0
5,0
À propos de ce service
Are you looking for an expert AI SaaS developer and MERN stack developer? You are at the right place.
I am a professional MERN stack developer with 5+ years of experience building AI SaaS platforms and full stack web apps using MongoDB, PostgreSQL, Next JS, React JS, and Node JS, Express JS.
- AI SaaS Web App (MERN + AI Integration)
- MERN Stack Web App Development
- OpenAI / ChatGPT Integration
- AI Chatbot with LangChain
- REST API & Third-Party API Integration
- SaaS Platform with Subscription & Payment
- JWT / OAuth Authentication System
- Cloud Deployment (AWS, Vercel, Render)
- Admin Panel & Dashboard Development
Tech: React JS | Next JS | Nest JS | Node JS | Express JS | MongoDB | PostgreSQL | OpenAI API | LangChain | Tailwind CSS
WHY CHOOSE ME?
- 5+ Years MERN Stack & AI SaaS Experience
- 50+ Projects Delivered Successfully
- 100% Client Satisfaction
- Clean, Scalable & Well-Documented Code
- Regular Updates & Free Consultation
Message me before placing an order. Let's build your AI SaaS or MERN stack web app together!
Découvrez Mithun
Mithun
Senior Full Stack Developer AI SaaS, MVP and AI Agent Expert
Level 1
- DeBangladesh
- Membre depuisoct. 2019
- Temps de réponse moy.1 heure
- Dernière commande2 jours
Langues
Bengali, Anglais
Long-term partner for startups, founders, and agencies build AI-powered products, automate workflows, and launch scalable SaaS platforms.
Our expertise includes AI agents, AI automation, custom web applications, internal business tools, and white-label development. Using modern technologies like Next.js, NodeJS, Python, OpenAI, Claude and so on, we turn ideas into production-ready solutions.
Mon portfolio
FAQ
What size of project can you handle?
I can handle projects of any size, from small-scale applications like landing pages to full-fledged platforms with complex features such as user authentication, payment integrations, real-time messaging, and more. Let’s discuss your requirements to ensure I can deliver what you need.
Are you a MERN Stack Developer?
Yes, I’m an experienced MERN Stack Developer specializing in MongoDB, Express.js, React.js, and Node.js for fast, scalable, and modern web applications.
Price is negotiable for website development or fixing bugs?
Yes, Price is negotiable and it will be depend on complexities and features of website.
Can you assist me with services like deploy or purchasing Domain Hosting ?
Yes, I can help you with that if you want to buy any of those services from another place or you can buy from me where I can give you better service with 6 months of free maintenance cost.
Can you deploy mern or nextjs app in any server ?
Yes, I can assist you to deploy your app besides fixing bugs
Do you also provide domain, hosting services?
Yes I also provide domain, hosting service, if you want to buy your desire hosting plan with your dream domain please contact with me I will provide you best and fastest web services.
Are you available to do convert the PSD with responsive design ?
Yes, I am available.
Are you Tailwind css Expert ?
Yes, I am very good at Tailwind CSS
can you convert any figma/psd/xd file into react or nextjs app or mern app?
Yes, I can do this.
Can you help with an existing project?
Yes, I can assist with existing projects by debugging, adding features, or improving the codebase. Please share your project details before placing an order.
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30 avis concernant ce service
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B bin_muaz23
Allemagne
Working with Mithun was an incredible experience from start to finish. He is a truly versatile full-stack developer who brings both deep technical skill and a fantastic attitude to the table. Right off the bat, his communication was lightning-fast, and he acted as a true partner—taking my original ideas...
Jusqu’à 50 $US
Prix
3 jours
Durée
M 
Réponse du freelance
Utile?A avi990
États-Unis
Great work by this team. They understood all the requirements very precisely and completed the project as per my expectations. I would highly recommend them for anyone willing to build websites.
600 $US-800 $US
Prix
7 semaines
Durée
M Réponse du freelance
Utile?B bin_muaz23
Allemagne
10/10 – Amazing Experience! Working with Mithun and his team was honestly one of my best experiences on Fiverr. They delivered my MERN stack project way beyond what I expected. Not only did they understand my requirements clearly, but they also gave valuable suggestions that really improved my SaaS...
50 $US-100 $US
Prix
4 jours
Durée
M Réponse du freelance
Utile?B 
baltim
Royaume-Uni
I had an excellent experience working with Mithun and his developer team. From the very beginning, their communication was clear, professional, and proactive. They took the time to fully understand the requirements, asked the right questions, and provided valuable suggestions that improved the overall...
100 $US-200 $US
Prix
2 jours
Durée
M Réponse du freelance
Utile?J jay_rice_gpc
États-Unis
Mithun has been a dependable and skilled developer on my project. He communicates clearly, meets deadlines, and demonstrates strong technical ability across the stack. I’ve appreciated his problem-solving approach, adaptability, and willingness to collaborate on refining requirements. He consistently...
1 500 $US-2 000 $US
Prix
7 semaines
Durée
M Réponse du freelance
Utile?
Avis
30 avis concernant ce service
| (30) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Détails de la notation
- Niveau de communication avec le freelance
- Qualité de la livraison
- Valeur de la livraison
Trier par
Les plus pertinents
B bin_muaz23
Allemagne
Working with Mithun was an incredible experience from start to finish. He is a truly versatile full-stack developer who brings both deep technical skill and a fantastic attitude to the table. Right off the bat, his communication was lightning-fast, and he acted as a true partner—taking my original ideas...
Jusqu’à 50 $US
Prix
3 jours
Durée
M Réponse du freelance
Utile?A avi990
États-Unis
Great work by this team. They understood all the requirements very precisely and completed the project as per my expectations. I would highly recommend them for anyone willing to build websites.
600 $US-800 $US
Prix
7 semaines
Durée
M Réponse du freelance
Utile?B bin_muaz23
Allemagne
10/10 – Amazing Experience! Working with Mithun and his team was honestly one of my best experiences on Fiverr. They delivered my MERN stack project way beyond what I expected. Not only did they understand my requirements clearly, but they also gave valuable suggestions that really improved my SaaS...
50 $US-100 $US
Prix
4 jours
Durée
M Réponse du freelance
Utile?B baltim
Royaume-Uni
I had an excellent experience working with Mithun and his developer team. From the very beginning, their communication was clear, professional, and proactive. They took the time to fully understand the requirements, asked the right questions, and provided valuable suggestions that improved the overall...
100 $US-200 $US
Prix
2 jours
Durée
M Réponse du freelance
Utile?J jay_rice_gpc
États-Unis
Mithun has been a dependable and skilled developer on my project. He communicates clearly, meets deadlines, and demonstrates strong technical ability across the stack. I’ve appreciated his problem-solving approach, adaptability, and willingness to collaborate on refining requirements. He consistently...
1 500 $US-2 000 $US
Prix
7 semaines
Durée
M Réponse du freelance
Utile?
