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I will be your full stack developer for nextjs and nestjs saas web apps
daniyalkarim
About this gig
Looking for a full stack developer to turn your idea into a working SaaS web app? I build fast, secure products with Next.js, React, NestJS and Node.js, so you launch with clean code instead of a half-finished prototype.
What you get:
Responsive Next.js + Tailwind frontend
NestJS / Express REST API in TypeScript
PostgreSQL (Prisma/TypeORM) or MongoDB database
Google OAuth / JWT authentication and user roles
Stripe payments and subscriptions
Admin dashboard, file uploads and real-time features
Deployment and full source code
Why work with me:
Clean, documented, scalable code
Daily progress updates and clear communication
Milestone demos so you see progress early
My process: Requirements call architecture plan build in milestones testing deployment handover.
Please message me before ordering so we can confirm your scope, timeline and the right package.
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 daniyalkarim
daniyalkarim
MERN Stack Web Developer
- FromPakistan
- Member sinceAug 2026
- Avg. response time1 hour
Languages
Urdu, English
Need a web app that actually ships? I'm Daniyal, a full stack developer building SaaS products, dashboards and AI chatbots with Next.js, React, Node.js and NestJS. I handle everything end to end: PostgreSQL or MongoDB databases, Stripe payments, Google OAuth, real-time chat with Socket.io, and RAG chatbots with LangGraph and Pinecone. You get clean TypeScript code, daily updates and a deployed, working product, not excuses. Message me with your idea and I'll reply with a clear plan, timeline and quote.
My Portfolio
FAQ
Can you work on my existing project?
Yes. I can add features, refactor or fix your existing Next.js, React or Node.js codebase after a quick code review.
Which tech stack do you use?
Next.js, React, Tailwind, NestJS/Express, TypeScript, PostgreSQL (Prisma/TypeORM) or MongoDB, Stripe, Socket.io and Cloudinary. I can adapt to your stack.
How long does a SaaS MVP take?
Most MVPs take 2-4 weeks depending on features. I give you a milestone timeline before we start.
Do you deploy the app?
Yes. I deploy to Vercel, Render, Railway, AWS or your VPS and hand over all source code and credentials.
Do you offer support after delivery?
Yes. Bug fixes related to my work are free for 14 days (30 days on Premium), and ongoing maintenance is available.
What do you need to start?
Your idea or feature list, any designs or reference sites, and access to existing code or hosting if relevant.
