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I will be react js and node js software developer for saas and full stack website
Rayhan
Level 2
1 order in queue
4.9
4.9
What people loved about this freelancer
melody121_284
United States
Rayhan was a great help during our initial Phase 1 testing. He supported early data workflows and helped validate parts of the process, which gave us a solid...
beauty_by_shk
United States
Excellent work — highly recommended! Very quick, responsive and patient throughout the entire project. He did a great job setting up our client and admin dashboards,...
melody121_284
United States
Very good! He went far and above what is needed from him- solved problems for me that I was still strategizing how to fix- he is extremely intelligent!
About this gig
Build a 100% Scalable & High-Performance Full-Stack Web Application That Delivers Results. I also fix React/Node.js Issues.
Im a professional Full-Stack Software Developer with 6+ years of experience, specializing in enterprise-grade, complex web applications with clean UI.
I architect & develop highly optimized SaaS products, startup platforms, full-stack web apps, admin dashboards, and custom software solutions using React, Next.js, Node.js, with a strong focus on performance, security, and scalability.
High-Value Services I Offer
- Frontend & Backend Development
- High Performance React/Next.js Frontend
- SaaS Architecture & MVP Development
- Business Dashboards & Admin Panels
- Payment, Subscription & AI Integrations
- Secure API & Backend System Designs
- Bug Fixing & Performance Optimization
Technologies:
Frontend: JavaScript, TypeScript, React, Next.js
Backend: Node.js, Supabase, MongoDB, MySQL, PostgreSQL
Integrations: AI, REST API, Third-party APIs
Deployment: CPanel, AWS, VPS, Vercel, Hostinger
What You Get
- Optimized & Maintainable Code
- Scalable Architecture Designed
- Complete Production Setup
- 90 Days Support After Delivery
Feel free to message me with your idea to get started.
Get to know Rayhan
Rayhan
Software Developer, Custom Software Solutions, SaaS and Business Applications
Level 2
- FromBangladesh
- Member sinceFeb 2021
- Avg. response time1 hour
- Last delivery1 week
Languages
Bengali, English
Hi, I’m Rayhan, a Senior Full-Stack Software Developer, highly skilled in React, Next.js, Supabase, Node.js, Express, JavaScript and TypeScript. I specialize in creating custom software, web applications, mobile apps, and AI-powered applications that are secure, scalable and high-performing. I focus on helping startups, businesses, and individuals bring their ideas to life by building digital solutions that stand out, streamline operations and drive growth. Every project I deliver is production-ready, fully responsive and tailored to your brand.
Let’s collaborate to bring your vision to life!
My Portfolio
FAQ
Do you provide the complete source code and ownership?
Yes, absolutely. Upon project completion and payment, you will have 100% ownership of the source code. I will transfer the repository via GitHub or GitLab, including all necessary documentation for future maintenance.
How do you ensure the security and scalability of the application?
I follow industry-standard security protocols, including JWT authentication, data encryption, and protected API routes. For scalability, I architect the backend using Node.js/Express and optimized databases (PostgreSQL/MongoDB) to ensure the system can handle thousands of concurrent users seamlessl
What is your delivery process?
I usually deploy it after my work is done and give a live preview link. Where you give me feedback if any change is needed. Once everything is fixed I deliver the order with source code.
What If I don't have any idea about websites and website designs?
I am here to facilitate you at every single step. If you don't have any idea then I will provide you some website templates and you have to select from them considering your business in mind. Or I will help you choose a design and I will make the website on that design.
If I have a website as a sample. Can you develop a website exactly the same way?
Yes, I will develop the website exactly in React and Node js like your sample website in such a way that you yourself cannot make a difference between them.
What should I do after ordering your Gig?
You should text me after ordering Gig and I will communicate with you about your demands and then I will start working.
What I have to provide you before starting working on the project?
You will have to provide me the full overview of your Business + website design if you have + Business Logo + Color Combinations that you want in website + Domain and Hosting information and that's all
What If I don't have Logo and Domain/Hosting?
Don't worry at all. I am here for you. I will make a logo for your website but I will charge some extra amount for this. I will also buy the domain and hosting for your website if you haven't purchased yet but I will charge an extra amount for that depending on their time period.
How will I receive my website after project is complete?
I will provide you the link to the website and then you will be able to check your website fully. I will also provide you the source code of your website in the form of a Github repo from where you can download or clone your code files.
Is mobile responsiveness included in all packages?
Yes, all my web applications are mobile-first and fully responsive across all devices (Mobile, Tablet, Desktop) as part of the standard service.
Reviews
25 reviews for this Gig
| (24) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
P paris2681
Repeat Client
United States
Rayhan is highly skilled at coding, and with patience you will receive the website you’re looking for. However, be sure to confirm whether mobile (cell phone) responsiveness is included in the project scope. In my case, the website was delivered with the desktop layout properly formatted, but the mobile...
$50-$100
Price
4 weeks
Duration
T 
Seller's Response
Helpful?M melody121_284
Repeat Client
United States
Rayhan was a great help during our initial Phase 1 testing. He supported early data workflows and helped validate parts of the process, which gave us a solid starting point. He is responsive, easy to work with, and communicates clearly throughout. Even during a small test scope, he showed good technical...
$200-$400
Price
5 days
Duration
Helpful?B 
beauty_by_shk
United States
Excellent work — highly recommended! Very quick, responsive and patient throughout the entire project. He did a great job setting up our client and admin dashboards, plus handling all the other requests for our React platform. Highly recommend, very professional and reliable.
$400-$600
Price
11 days
Duration
T Seller's Response
Helpful?M melody121_284
Repeat Client
United States
Very good! He went far and above what is needed from him- solved problems for me that I was still strategizing how to fix- he is extremely intelligent!
$600-$800
Price
2 weeks
Duration
Helpful?V vanpapadopoulos
United States
Very easy to work with him and happy with the outcome
$200-$400
Price
3 days
Duration
Helpful?
Reviews
25 reviews for this Gig
| (24) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
P paris2681
Repeat Client
United States
Rayhan is highly skilled at coding, and with patience you will receive the website you’re looking for. However, be sure to confirm whether mobile (cell phone) responsiveness is included in the project scope. In my case, the website was delivered with the desktop layout properly formatted, but the mobile...
$50-$100
Price
4 weeks
Duration
T Seller's Response
Helpful?M melody121_284
Repeat Client
United States
Rayhan was a great help during our initial Phase 1 testing. He supported early data workflows and helped validate parts of the process, which gave us a solid starting point. He is responsive, easy to work with, and communicates clearly throughout. Even during a small test scope, he showed good technical...
$200-$400
Price
5 days
Duration
Helpful?B beauty_by_shk
United States
Excellent work — highly recommended! Very quick, responsive and patient throughout the entire project. He did a great job setting up our client and admin dashboards, plus handling all the other requests for our React platform. Highly recommend, very professional and reliable.
$400-$600
Price
11 days
Duration
T Seller's Response
Helpful?M melody121_284
Repeat Client
United States
Very good! He went far and above what is needed from him- solved problems for me that I was still strategizing how to fix- he is extremely intelligent!
$600-$800
Price
2 weeks
Duration
Helpful?V vanpapadopoulos
United States
Very easy to work with him and happy with the outcome
$200-$400
Price
3 days
Duration
Helpful?
