I will build a scalable full stack web application with modern tech


About this gig
Build Scalable Web Apps with GenAI (LLMs, RAG, AI Features)
Hi there!
Looking for a developer who can build modern web applications with powerful AI features? I specialize in combining full-stack development + GenAI to deliver production-ready, scalable products.
With 5+ years of experience, I help startups and businesses turn ideas into high-performance web apps enhanced with AI.
What I Can Build
- Full-stack web apps with AI features
- AI chatbots & assistants (GPT/OpenAI)
- RAG systems (document/PDF Q&A)
- AI-powered SaaS & dashboards
- API integrations & automation tools
Tech Stack
- React, Next.js, Node.js, MongoDB, PostgreSQL
- OpenAI, LLMs, RAG, Vector DBs
- AWS/Azure deployment
- Why Choose Me
- Full-stack + AI expertise
- Scalable, production-ready code
- Clean architecture & performance focus
- End-to-end delivery (idea deployment)
Lets Build
Message me before ordering to discuss your AI-powered web app.
Get to know Vijender Sharma
Building modern web and mobile solutions that scale with your vision
- FromIndia
- Member sinceOct 2022
- Last delivery10 months
Languages
Hindi, English
My Portfolio
FAQ
What do you need to get started on my project?
To get started, I typically need a clear project brief including your goals, design files (if available), preferred technologies (if any), and any relevant access credentials (e.g., hosting, APIs). Don’t worry if you're not sure — I can help you figure it out during our initial discussion.
Can you work with an existing codebase or project?
Absolutely! I’m experienced in working with legacy code and can either improve it or integrate new features. I’ll first audit the code to understand its structure and then offer recommendations before getting started.
Do you provide ongoing maintenance and support after project delivery?
Yes! I offer post-launch support, bug fixes, and long-term maintenance plans based on your needs. I aim to be a reliable tech partner, not just a one-time developer.
How do you ensure quality and timely delivery?
I follow industry best practices, including modular code, proper documentation, and testing. I also share regular progress updates through your preferred platform (Trello, Notion, Slack, etc.), ensuring transparency and on-time delivery.
What happens if I’m not satisfied with the final result?
Client satisfaction is my top priority. I offer revisions to make sure the project meets your expectations. And if you're still not happy, I provide a 100% money-back guarantee — no hassle.
Can you help if I only have a design (Figma, XD, etc.) but no development work done yet?
Definitely! I can convert your design into a responsive and fully functional frontend using React or Next.js, and even handle the backend if needed.
Do you offer SEO and performance optimization?
Yes, I optimize websites for fast loading, SEO best practices, and core web vitals. This ensures a smooth user experience and better visibility on search engines.
Can you integrate payment gateways like PayPal or Stripe?
Absolutely! I’ve successfully implemented secure payment integrations for several clients using both PayPal and Stripe.
Are you available for long-term collaboration?
Yes, I’m open to long-term and retainer-based work. If you’re building a product or need ongoing development, I’d be happy to support your vision over the long run.
9 reviews for this Gig
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| (1) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M mehulmishra

India
Code was completed and deployed
7 days
Duration
Helpful?M mxalexgame

India
Fantastic experience working with this freelancer—polite, knowledgeable, quick delivery, and incredibly easy to communicate with!
1 day
Duration
Helpful?P profamrita

India
Hard worker. Sincere. Knowledge of what is feasible is ok, but not at expert level.
3 weeks
Duration
V 
Seller's Response
Helpful?K kingsleyuzogor

United States
V as I call him is just the 9th wonder of the world. As a web developer, I have worked on various projects with other web developers, but V is the absolute best. His combination of great expertise, politeness, professionalism, and attention to detail should be studied in the universities. In one word, Perfection!
3 months
Duration
V 
Seller's Response
Helpful?S samarthmn888

India
Amazing and quality work, highly recommended for software development!
4 days
Duration
Helpful?
9 reviews for this Gig
| (8) | ||
| (0) | ||
| (1) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M mehulmishra

India
Code was completed and deployed
7 days
Duration
Helpful?M mxalexgame

India
Fantastic experience working with this freelancer—polite, knowledgeable, quick delivery, and incredibly easy to communicate with!
1 day
Duration
Helpful?P profamrita

India
Hard worker. Sincere. Knowledge of what is feasible is ok, but not at expert level.
3 weeks
Duration
V 
Seller's Response
Helpful?K kingsleyuzogor

United States
V as I call him is just the 9th wonder of the world. As a web developer, I have worked on various projects with other web developers, but V is the absolute best. His combination of great expertise, politeness, professionalism, and attention to detail should be studied in the universities. In one word, Perfection!
3 months
Duration
V 
Seller's Response
Helpful?S samarthmn888

India
Amazing and quality work, highly recommended for software development!
4 days
Duration
Helpful?

