Browse categories
Explore
Fiverr Pro
English
$
USD
I will be your software developer, saas developer or will do ai web app development
Shamiul S
About this gig
I will build a scalable full-stack web application with React, Next.js, NestJS & TypeScript
Looking for a reliable Full Stack Developer for your SaaS, AI, or custom web application?
I'm a Software Engineer specializing in React.js, Next.js, Node.js, NestJS, TypeScript, PostgreSQL, MongoDB, and AI integrations. I build fast, secure, and scalable applications with clean architecture and production-ready code.
What I offer:
⭐ Custom Web Applications & SaaS Platforms
⭐ React.js & Next.js Development
⭐ Node.js & NestJS Backend Development
⭐ REST API Development & Third-party Integrations
⭐ Authentication (JWT, OAuth, RBAC)
⭐ AI Integration (OpenAI, Chatbots, RAG)
⭐ Admin Dashboards & Business Portals
⭐ Database Design & Performance Optimization
Why choose me?
Clean, scalable, and maintainable code
Responsive, modern UI
Secure backend architecture
Fast communication & on-time delivery
Long-term support
Message me before placing an order, and let's build your project the right way.
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 Shamiul S
Shamiul S
Software Engineer
- FromBangladesh
- Member sinceJul 2026
- Avg. response time1 hour
Languages
Bengali, English
I am a Software Engineer with over 1.5 years of hands-on production experience specializing in high-performance, scalable, and AI-powered full-stack web applications. I possess a strong foundation in system design and high-traffic architecture, with a proven ability to transform complex ideas into robust solutions for businesses and startups.
My Portfolio
FAQ
How long does it take to complete a project?
The timeline depends on the project scope, but I work efficiently to deliver high-quality results within agreed deadlines.
What makes your custom website design unique?
I create custom websites focused on real business results, not just design. Each project is aligned to your goals, with AI features, fast performance, and user-focused UX that drives engagement, conversions, and long-term growth. No templates, only scalable, smart solutions.
What services do you provide as a full-stack developer?
I offer complete website development, including front-end design, back-end functionality, and database management. I also integrate AI chatbots for advanced user interaction.
What’s unique about your development process?
I’m all about sparking success! With a tech stack including React, Node.js, and MongoDB, I guide you from concept to launch with clear, transparent communication and expert advice. My 24/7 availability ensures your project stays on track and exceeds expectations.
Can you rebuild or redesign my existing website?
Definitely, I can rebuild or redesign your existing website to make it more aesthetic, responsive, and aligned with your current business requirements.
What is your process for developing a website?
My process begins with deeply understanding your goals and users, then crafting a prototype focused on experience and conversion. I develop a scalable, high-performance solution, followed by rigorous testing. After launch, I provide ongoing support and guidance to ensure long-term success.
