I will build a custom, high performance, responsive react nextjs web app


About this gig
Are you tired of losing customers to slow, generic templates that can't handle your business needs?
A sluggish website or a frustrating user interface can instantly drive away potential clients. You need a high-performance web app engineered for growth and built to scale. I specialize in developing custom, lightning-fast web applications using the React and Next.js ecosystem.
What I Build
- Custom Web Apps & Client Portals
- SaaS Platforms & E-commerce Stores
- Data-Driven Admin Dashboards
- High-Performance Landing Pages
- API Integrations & Quick Bug Fixes
- Custom Scripts (C++/ROS 2) & DB Design
My Tech Stack
- Frontend: React, Next.js, TS,JS, Tailwind CSS
- Backend: Node.js, Express, PostgreSQL, Firebase
- Niche & Tools: C++, DSA, ROS 2, WordPress
Why Work With Me?
- Zero Templates: 100% custom, hand-coded solutions.
- Flawless Logic: Bug-free, seamless, and highly responsive.
- Clear Communication: Fast responses and zero jargon.
- Reliable Support: Dedicated post-delivery assistance.
Every project is unique, and I am ready to build something incredible for you.
Since I am new to Fiverr, I am offering a discounted rate for my first 5 clients. Send me a message and let's get started!
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 M. Rezwan Zani
Web Developer
- FromBangladesh
- Member sinceJan 2026
- Avg. response time1 hour
Languages
Bengali, English
My Portfolio
FAQ
What do you need from me to get started?
Please provide a brief description of your project, your primary business goals, and any wireframes or UI designs (like Figma) you might have. If you only have an idea, message me and we can map it out together!
Will my web application be mobile-friendly?
Absolutely. Every application I build is fully responsive, ensuring it looks and functions flawlessly across desktops, tablets, and mobile devices.
Can you integrate external APIs into my app?
Yes! I specialize in complex API integrations and securely connecting modern frontends to robust databases like PostgreSQL.
Do you offer support after the project is finished?
Yes, I provide post-delivery support to ensure your application runs smoothly after handoff and to quickly resolve any technical issues related to my code.
I’m not sure what tech stack is best for my project. Can you help?
Definitely. Send me a message detailing what you want your app to do, and I will recommend the best, most cost-effective technologies for your specific needs.

