Browse categories
Explore
Fiverr Pro
English
$
USD
I will build nodejs backends rest apis and ai integrations
Pranta R
About this gig
Need a reliable backend developer for your web application?
I will build, fix, or improve your Node.js backend, REST APIs, database integrations, and AI-powered features.
I have hands-on experience building production web applications using Node.js, Express.js, TypeScript, PostgreSQL, MongoDB, Next.js, REST APIs, Stripe, and third-party APIs.
What I can help you with:
REST API development
Node.js / Express.js backend development
PostgreSQL / MongoDB database integration
Authentication and authorization
Third-party API integrations
Stripe payment integration
Backend bug fixing and debugging
AI API and LLM integrations
AI agent backend workflows
Why work with me?
Production experience with a UK-based marketplace platform
Experience working with 70+ REST APIs and 50+ database models
Clean and maintainable code
Clear communication and regular updates
Focus on understanding your requirements before implementing
Whether you need a new API, an existing backend fixed, a database connected, or an AI feature integrated into your application, send me a message with your requirements and I'll be happy to discuss your project.
Get to know Pranta R
Pranta R
Full Stack Developer Intern
- FromIndia
- Member sinceSep 2026
Languages
Bengali, English, Hindi
Hi! I'm Pranta, a Full Stack Developer specializing in modern web applications, backend systems, REST APIs, and AI integrations. I work with Next.js, React, Node.js, Express.js, TypeScript, PostgreSQL, MongoDB, and REST APIs. I can help with full-stack development, backend/API development, databases, authentication, Stripe payments, third-party APIs, real-time features, and AI-powered functionality. I have production experience building a UK-based marketplace with 70+ REST APIs and 50+ database models. I focus on clean, maintainable code and solutions tailored to your requirements.
FAQ
What do you need from me to start?
I need your project requirements, existing code or repository if applicable, API documentation or credentials for required third-party services, and any relevant database or technical details.
Can you work with an existing backend?
Yes. I can troubleshoot, debug, modify, or add new features to an existing Node.js or Express.js backend. Please share the project details before ordering so I can review the scope.
Can you build APIs from scratch?
Yes. I can develop REST APIs using Node.js, Express.js and TypeScript, including database integration, authentication, validation, and third-party API integrations.
Can you integrate AI into my application?
Yes. I can integrate AI or LLM-powered functionality into web applications and backend systems. The exact implementation depends on your requirements, API provider, workflow, and project complexity.
Can you build a complete application?
Yes, but larger projects may require a custom offer. Please message me with your requirements, preferred technology, existing codebase if any, and expected timeline so we can define the scope before starting.
