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$
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I will be ai full stack software developer ai web application saas react nextjs base44
Neha Sharma
Level 2
5.0
5.0
Gig Summary
About this gig
I help startups, SaaS companies, and businesses build scalable, high-performance, AI-powered web applications using React.js, Next.js, Node.js, TypeScript, and trending AI app-builders like Base44, Replit, Lovable.
I'm Neha Sharma, a Senior Full Stack Developer with 14+ years of experience in AI web development, SaaS platforms, and modern cloud technologies. I fix broken AI-generated apps, convert no-code prototypes into production-ready full stack applications, and build custom AI-integrated solutions from scratch.
Services I Offer:
- Full stack SaaS development (React, Next.js, Node.js)
- AI app development using Base44, Replit & Lovable
- Custom AI application development & integration
- SaaS MVP design and rapid prototyping
- Responsive UI with React.js, Next.js & Tailwind CSS
- Scalable backend with Node.js, Express.js & NestJS
- RESTful APIs & third-party/AI API integration
- Database management & AWS/cloud deployment
- Bug fixes, feature upgrades & app maintenance
Whether you need a startup, MVP, or an enterprise-grade SaaS platform, I deliver scalable, AI-driven solutions built for performance and long-term growth.
Let's connect and turn your idea into a working product!
Get to know Neha Sharma
Neha Sharma
AI Mobile app and Web app developer, Full Stack Software developer,AI Automation
Level 2
- FromIndia
- Member sinceJan 2017
- Avg. response time1 hour
- Last delivery1 day
Languages
English, Hindi, Punjabi
I'm an AI-first Full Stack Developer with 14+ years of experience building production-ready web, mobile, and AI-powered products. I've delivered 3,000+ projects, scaled solutions to 4M+ users, and helped generate $500K+ in client revenue.
I specialise in Artificial Intelligence, AI App Development, Mobile App Development, Flutter, FlutterFlow, Base44, MVP Development, MERN, React, Node.js, Next.js, n8n, Zapier, AI Agents, SaaS platforms, and automation solutions. I build fast, scalable, and reliable digital products that help startups and businesses turn ideas into successful solutions.
My Portfolio
Other Software Development Services I Offer
FAQ
Can you update my existing web application with latest version?
Yes as an expert Full stack Mern developer I can help you to update your existing web application with latest version
Can you build Multivendor marketplace web application in MERN
Yes as a MERN STACK DEVELOPER I can help you to develop Multivendor marketplace web application in MERN
Can you Develop the backend of my website? and the frontend is already build
As an experienced MERN Developer I have develop web application in MERN that's include both Frontend and backend services
Can you do OpenAI and ChatGPT API integration in my JS application?
Yes we can do that
Do you have experience in responsive web design and ensuring compatibility across different devices and browsers?
Yes, I have extensive experience in responsive web design. I understand the importance of providing a seamless user experience across various devices and browsers. I will ensure that your website is responsive, visually appealing, and functions optimally on different screen sizes and browsers.
Can you integrate third-party APIs or services into my web application?
Absolutely! I have experience integrating third-party APIs and services into web applications. Whether it's payment gateways, social media platforms,or any other API, I can seamlessly integrate them into your application, expanding its functionality and enhancing user experience as a MERN Developer
Can you provide ongoing maintenance and support for the websites or applications you develop?
Yes, I can provide ongoing maintenance and support for the websites or applications I develop. Whether it's fixing bugs, implementing updates, or addressing any technical issues that may arise, I am available to provide continued support and ensure your website or application operates smoothly.
How will you handle back-end development for my app using Node.js and Express.js?
As a Nodejs developer I use Node.js and Express.js for developing the back-end of your application. These technologies allow me to build fast, scalable, and secure server-side applications, handle API requests, manage authentication, and integrate your app with databases like MongoDB.
What kind of AI web application you can build using the MERN stack?
As a MERN stack Developer I can build a wide range of applications, including: E-commerce platforms, Social media applications, Real-time chat apps, Task management tools, Content management systems (CMS), On-demand service platforms, AI driven web apps by using MERN STACK.
Reviews
40 reviews for this Gig
| (38) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S sean_sleepi
Repeat Client
New Zealand
We work with Neha on a regular basis and they always have a solution for our needs. Highly recommend.
Up to $50
Price
5 days
Duration
Helpful?R 
rmgzzz
Repeat Client
United Kingdom
Great as always!
$400-$600
Price
2 days
Duration
Helpful?R rmgzzz
Repeat Client
United Kingdom
Great thank you
$1,500-$2,000
Price
1 day
Duration
Helpful?I indemnisezmoi
Repeat Client
France
Very professional, attentive, and easy to work with. Clear communication and a real sense of collaboration. Highly recommended!
$600-$800
Price
2 weeks
Duration
Helpful?A 
agoodteam
Repeat Client
Ireland
The project I visioned in my mind came to be exactly as I envisioned thanks to Neha's knowledge and proactive recommendations. I will be working with her again on the next project
$400-$600
Price
6 weeks
Duration
Helpful?
Reviews
40 reviews for this Gig
| (38) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S sean_sleepi
Repeat Client
New Zealand
We work with Neha on a regular basis and they always have a solution for our needs. Highly recommend.
Up to $50
Price
5 days
Duration
Helpful?R rmgzzz
Repeat Client
United Kingdom
Great as always!
$400-$600
Price
2 days
Duration
Helpful?R rmgzzz
Repeat Client
United Kingdom
Great thank you
$1,500-$2,000
Price
1 day
Duration
Helpful?I indemnisezmoi
Repeat Client
France
Very professional, attentive, and easy to work with. Clear communication and a real sense of collaboration. Highly recommended!
$600-$800
Price
2 weeks
Duration
Helpful?A agoodteam
Repeat Client
Ireland
The project I visioned in my mind came to be exactly as I envisioned thanks to Neha's knowledge and proactive recommendations. I will be working with her again on the next project
$400-$600
Price
6 weeks
Duration
Helpful?
