I will create your responsive frontend and backend web application

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sayan7183
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sayan7183
Sayan Biswas

About this gig

Are you looking for a skilled Full-Stack Web Developer to build a clean, modern, and fully functional website for your business or personal brand? You're in the right place!


Hi! I'm Sayan Biswas, a full-stack web developer with 3 years of professional experience in crafting responsive, fast, and user-friendly websites.

I help individuals, startups, and businesses bring their ideas to life with clean code, modern UI, and reliable functionality.


Services I Offer

  • Responsive & mobile-friendly websites
  • Custom website design
  • Portfolio, business, or landing page development
  • Social media link integration
  • Simple chatbot integration
  • Backend services (as per your needs)
  • API integration & basic API setup
  • Fast-loading, SEO-friendly structure


Technologies I Work With

Frontend: HTML, CSS, JavaScript, React, Next.js

Backend: Node.js, Express.js

Databases: MongoDB, PostgreSQL

Others: Tailwind CSS, Prisma, REST APIs


Why Choose Me?

  • Clean, scalable, and high-quality code
  • On-time delivery
  • 100% client satisfaction
  • Friendly communication
  • Free support after project completion
  • Custom solutions tailored to your exact needs


Ready to have Stunning websites? Contact me today!

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 Sayan Biswas

Sayan Biswas

AI Engineer and Full Stack Web Developer

  • FromIndia
  • Member sinceJun 2025
  • Languages

    English
Hi, I’m an AI Engineer & Full-Stack Developer specializing in AI agents, automation, LLM integrations, and custom web applications. I build practical solutions using AI APIs, RAG, LangChain, LangGraph, n8n, React, Node.js, TypeScript, MongoDB, and PostgreSQL. I can help with: • AI agents & chatbots • RAG & knowledge-base systems • AI/LLM integrations • Business workflow automation • Custom web apps & APIs • Third-party integrations • Bug fixes & optimization I focus on building reliable systems that solve real business problems. Let’s turn your idea into a working product.