I will build a web application

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Jahir
build a web application
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build a web application

About this gig

Are you looking to build a high-performance, scalable, and responsive full-stack web application using the latest Next.js features?

Whether you are launching an MVP for your SaaS, building a custom business portal, or converting a Figma design into a fully functional dynamic web app, I provide end-to-end full-stack web development tailored to your business goals.

Technologies & Stack

  • Frontend: Next.js (App Router), React, TypeScript, Tailwind CSS, Shadcn UI / Radix UI
  • Backend & APIs: Next.js Server Actions, Route Handlers, REST & GraphQL APIs, Node.js / Express
  • Database & ORM: PostgreSQL, MongoDB, MySQL, Supabase, Prisma, Drizzle ORM
  • Authentication: NextAuth.js (Auth.js), Clerk, Supabase Auth
  • Payments & Integrations: Stripe, Lemon Squeezy, Webhooks, Third-Party APIs
  • Deployment & DevOps: Vercel, Docker, AWS, Render

What I Can Build For You

  • SaaS Dashboards & MVPs: Complete user authentication, role-based access control (RBAC), and subscription management.
  • Custom Web Portals & CRM: Dynamic data visualization, table filtering, export tools, and backend CRUD workflows.
  • Figma to Next.js: Pixel-perfect, mobile-responsive, accessible UI components.


  • Website type

    • Business

  • Programming language

    • JavaScript
    • TypeScript
    • React
    • Tailwind CSS
    • Node.js

  • Website features

    • Marketing
    • Payment
    • Social media
    • Customer support
    • Shipping
    • Inventory
    • Booking
    • Dashboard
    • Admin Panel
    • API integration
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 Jahir

Jahir

AI Engineer

  • FromBangladesh
  • Member sinceMar 2026
  • Avg. response time1 hour

  • Languages

    English, Hindi
I am a Software Engineer and AI Engineer focused on turning complex ideas into practical, scalable tools. I specialize in building intelligent agents and robust RAG-based systems that solve real business problems. My core expertise includes: AI & Chatbots: LangChain, LangGraph, OpenAI, Deepseek Backend & APIs: Node.js, Express, Python, Official API Integrations Frontend: TypeScript, Next.js, React Whether you need an automated workflow, a custom AI assistant, or a full-stack application, I build reliable solutions with clean code. Let's discuss your project

My Portfolio

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