You will get a fantastic Web Application using MEAN or MERN stack
Top Rated
Project details
The fastest and highly scalable web application development stack i.e. MEAN & MERN Stack is here at your service. I am 6+ years of highly experienced and successful proven track record developer and capable of building custom web applications for you.
I can start with an idea in your head and ends with a timely delivered, robust, and running application. Also, I can help you out with the bugs and issues you are having in your existing application with great responsibility.
=>The major technologies that are fundamentally used in the MEAN/MERN Stack-based application are:
Angular
React
Node
Express
Typescript
Javascript
Angular Material
MongoDB
➥【What do I offer?】::
- Complete MEAN/MERN Stack-based application
- Fixes for an existing app
- Database integration
- REST API development
- Third-party API integrations
- Code debugging and optimization
➥【How would I work?】::
- Top-quality customer support
- Consecutive work report with screenshots
- Git repository management through 'GitHub'
- On-time delivery
- Optimized and documented code
- Consultation
Ping me anytime for more discussion.
I can start with an idea in your head and ends with a timely delivered, robust, and running application. Also, I can help you out with the bugs and issues you are having in your existing application with great responsibility.
=>The major technologies that are fundamentally used in the MEAN/MERN Stack-based application are:
Angular
React
Node
Express
Typescript
Javascript
Angular Material
MongoDB
➥【What do I offer?】::
- Complete MEAN/MERN Stack-based application
- Fixes for an existing app
- Database integration
- REST API development
- Third-party API integrations
- Code debugging and optimization
➥【How would I work?】::
- Top-quality customer support
- Consecutive work report with screenshots
- Git repository management through 'GitHub'
- On-time delivery
- Optimized and documented code
- Consultation
Ping me anytime for more discussion.
Programming Languages
JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$400
|
Standard
$750
|
Advanced
$1,250
|
|---|---|---|---|
| Delivery Time | 7 days | 15 days | 28 days |
Number of Revisions | 2 | 3 | 4 |
Number of Pages | 3 | 6 | 9 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
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AM
Anthony M.
May 11, 2026
Real Time Kanban NextJS
Came up with good solution for product and provided results quite fast
VL
Vincent L.
Dec 1, 2025
Financial_app
Good communication, good job fast and with no errors
CB
Curtis B.
Nov 18, 2025
Front end developer
NK
Nicholas K.
Oct 31, 2025
Senior NextJS Developer - Front-end development
VL
Vincent L.
Aug 31, 2025
54 hours Vincent / Thomas
About Bhavin
AI & LLM Developer | SaaS & MVP Builder | React, Node.js & Next.js
100%
Job Success
Surat, India - 1:30 pm local time
I build AI-powered SaaS products, MVPs, and full-stack web and mobile applications from architecture to production deployment.
In 10+ years, I have shipped products used by real businesses:
→ Built multi-tenant SaaS platforms with schema-based data isolation, role-based access control, Stripe subscription billing, and full admin dashboards deployed and running in production.
→ Integrated OpenAI, Claude, Azure OpenAI, and LangChain into real products, building AI agents, RAG pipelines, and speech-to-text workflows.
→ Engineered custom NLP engines with 93.3% entity accuracy, sub‑20ms responses, and scalable processing across 500+ products in a 5‑step state machine.
→ Developed React Native and Flutter apps with real-time features, third-party payment, and map integrations, delivered simultaneously on iOS and Android.
→ Engineered real-time architectures using WebSockets, SignalR, and Socket IO for platforms handling 10,000+ concurrent users without performance degradation.
→ Built and integrated complex third-party systems, DocuSign contract workflows, IMAP email ingestion, government compliance APIs, G2A catalog sync, and multi-system automation pipelines.
→ Worked across SaaS, healthtech, logistics, e-commerce, sports, fintech, and real estate, adapting quickly to domain requirements without hand-holding.
→ Maintained a 100% Job Success Score with Top Rated Freelancer, across 150+ completed Upwork projects with long-term client relationships and on-time delivery.
My stack covers the full product:
→ AI & LLM Integrations
• OpenAI, Claude, Gemini API Integration
• LangChain, Pinecone, Weaviate, FAISS
• Custom AI Agents, Intelligent Workflows, RAG Architecture
→ Frontend Development
• React, Next.js (App & Pages Router), Vue.js, Angular
• Tailwind CSS, Material UI, Chakra UI, Framer Motion
• Redux, Context API, React Query
→ Backend Development
• Node.js, Express.js, Nest.js
• Python, Django, FastAPI, Flask
• Supabase, Firebase, REST APIs, GraphQL
• WebSockets, Socket IO, JWT/OAuth Authentication
→ Mobile Development
• React Native (Expo & CLI), Flutter
• Real-time chat & video (Twilio, Agora, WebRTC)
• Third-party integrations (Stripe, Maps, Push Notifications)
→ Database & Cloud
• PostgreSQL, MySQL, MongoDB, Redis
• AWS (S3, EC2, Amplify), Google Cloud
I work best with founders and technical leads who need one reliable engineer to own the build end-to-end. I communicate clearly, flag blockers early, and treat your deadline as mine.
Send me a message with your requirements, and we can outline your technical roadmap on a quick call.
Bhavin Sen
Steps for completing your project
After purchasing the project, send requirements so Bhavin can start the project.
Delivery time starts when Bhavin receives requirements from you.
Bhavin works on your project following the steps below.
Revisions may occur after the delivery date.
1. Requirement gathering
First of all, we will discuss the full requirements of the app. You need to provide me the features or functionality you want in your app.
2. Design UI/UX
You should provide me the Figma file If you have to fix any design to make this app. If you have not any design don't worry I can create a unique design and make a professional-looking app.