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Fiverr Pro
English
$
USD
I will create full stack ai application and saas product
Sagar
About this gig
I will build a modern, full-stack web application or SaaS platform using React, Next.js, PostgreSQL, MongoDB, and AI integration.
From frontend design to backend APIs and database architecture I deliver fast, secure, and scalable apps tailored to your needs.
Perfect for startups, dashboards, AI tools, and SaaS products.
Includes:
- Full-stack architecture (frontend + backend + DB)
- AI integration (ChatGPT / OpenAI API)
- Authentication & payment systems
- Responsive, high-performance UI
- Deployment-ready with Docker
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Sagar
Sagar
Full Stack Developer React Next PostgreSQL MongoDB AI Integration
- FromThailand
- Member sinceOct 2025
Languages
English, Nepali, Burmese, Hindi
Full Stack Developer React Next PostgreSQL MongoDB AI Integration tRPC Hono Docker and AWS deployment.
Looking for a modern, scalable, and high-performance web app built from scratch?
You’re in the right place.
I’m a Full Stack Developer experienced in end-to-end architecture, building seamless, production-ready applications with cutting-edge technologies. From polished frontends to powerful backends, I deliver fast, secure, and scalable solutions tailored to your business.
My Portfolio
FAQ
What technologies do you use to build web apps?
I specialize in React, Next.js, TypeScript, PostgreSQL, MongoDB, tRPC, Hono, and Docker, with full integration of AI tools (OpenAI, ChatGPT API, etc.) for smart and scalable web solutions.
Can you integrate AI or ChatGPT features into my project?
Absolutely! I can integrate AI chatbots, text generation, recommendation systems, or automation workflows using the OpenAI API or other AI providers.
Do you handle both frontend and backend development?
Yes. I provide complete end-to-end development — frontend, backend, database, and deployment — ensuring everything works seamlessly together.
Can you build a SaaS product from scratch?
Yes! I specialize in building SaaS platforms with user authentication, subscription billing, admin dashboards, and scalable cloud deployment.
What kind of hosting or deployment do you provide?
I can set up your app on Vercel, AWS, Render, Railway, or Docker-based servers, ensuring secure and efficient cloud deployment.
Will my website or app be mobile-friendly?
Yes. Every project is built with a responsive design, optimized for all screen sizes — desktop, tablet, and mobile.
Do you provide source code and documentation?
Yes! You’ll receive well-structured source code, plus setup and deployment instructions so you can maintain and scale your project easily.
Can you connect my app to third-party APIs or services?
Of course! I can integrate payment gateways, email automation, analytics, CRM tools, or any other third-party API you need.
What do you need from me to get started?
Please share your project idea, design (if any), feature list, or reference websites. The more details you provide, the faster I can deliver exactly what you need.
Do you offer ongoing support or maintenance?
Yes! I offer post-launch support, maintenance, and updates to ensure your app continues to perform smoothly after delivery.
