You will get Full Stack Developer, AI App Development, SaaS, Web App & AI Chatbots
Top Rated
Project details
Hi,
I'm Haseeb and I am a top-rated React JS and Next JS developer on Upwork. I have been doing Software development from the past 5 years and I have worked with several multi-national companies all across the globe.
In my development career, I have worked on several projects in HTML, CSS, JavaScript, TypeScript, React JS and Next JS, I've completed more then 150 front-end and full-stack development projects by using modern coding techniques.
If you want an interactive, elegant and responsive React JS or Next JS web app from scratch, then you can hire me as your React JS /Next JS Developer. As a professional Frontend Developer, the services I provide are:
✅ Single Page Web Application in React JS and Next JS.
✅ Eye-catching and Animated Frontend design with HTML, CSS, JavaScript, React JS, Next JS, Tailwind CSS and Material UI.
✅ Pixel-Perfect Design, Responsive app design, Well-Structured Code, Reusable Components with Best coding practices.
✅ Provide custom Web Solutions based on your needs.
Feel free to ping me so that we can discuss your project in detail. We can have a quick zoom call so that we can discuss thoroughly about the project.
Best Regards,
Haseeb
I'm Haseeb and I am a top-rated React JS and Next JS developer on Upwork. I have been doing Software development from the past 5 years and I have worked with several multi-national companies all across the globe.
In my development career, I have worked on several projects in HTML, CSS, JavaScript, TypeScript, React JS and Next JS, I've completed more then 150 front-end and full-stack development projects by using modern coding techniques.
If you want an interactive, elegant and responsive React JS or Next JS web app from scratch, then you can hire me as your React JS /Next JS Developer. As a professional Frontend Developer, the services I provide are:
✅ Single Page Web Application in React JS and Next JS.
✅ Eye-catching and Animated Frontend design with HTML, CSS, JavaScript, React JS, Next JS, Tailwind CSS and Material UI.
✅ Pixel-Perfect Design, Responsive app design, Well-Structured Code, Reusable Components with Best coding practices.
✅ Provide custom Web Solutions based on your needs.
Feel free to ping me so that we can discuss your project in detail. We can have a quick zoom call so that we can discuss thoroughly about the project.
Best Regards,
Haseeb
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, DesignWhat's included
| Service Tiers |
Starter
$200
|
Standard
$500
|
Advanced
$900
|
|---|---|---|---|
| Delivery Time | 3 days | 10 days | 15 days |
Number of Revisions | 1 | 2 | 2 |
Number of Pages | 1 | 4 | 7 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$50 - $140
Additional Revision
+$50
Additional Page
(+ 3 Days)
+$200
22 reviews
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JL
Ju-Won L.
Jul 31, 2026
Web App Figma Design & Development in Next JS for Labs & Students
We worked with this team for two years. Over that time they delivered clean, well-structured work, understood scope quickly, and communicated clearly and consistently. There was plenty of feedback along the way, and what stood out was that they always took it seriously and genuinely cared about getting it right. Whenever we had questions, they could explain their work clearly. I would, and will, happily work with them again.
TM
Tracy M.
Jul 31, 2026
30 minute consultation
I had a consultation call with Haseeb regarding my web and AI application idea. He clearly explained the development process, recommended the right technology stack, and provided a practical roadmap, timeline, and cost estimate. The session was professional, helpful, and well organized. Highly recommended for full-stack and AI development consultation.
GC
Gina C.
Jul 31, 2026
Full-Stack Web & AI App Development Consultation
It was a pleasure working with FuzionDev. They provided a thorough technical consultation, identified key issues, and delivered clear, actionable recommendations for my AI-powered web application. Their expertise in full-stack architecture, bug analysis, and development planning gave me a solid roadmap for moving the project forward. Communication was professional and timely throughout the engagement. I would gladly work with them again and highly recommend their services.
BD
Brian D.
Jul 30, 2026
Full-Stack Developer for AI Chatbot & SaaS Platform Next.js, Node.js, OpenAI
Working with Haseeb and his team at FuzionDev LLC was a great experience. They developed our AI chatbot and SaaS platform, handling the frontend, backend, API integrations, authentication and deployment.
Communication was clear, delivery was reliable and the final product was scalable and user-friendly. Highly recommended for AI chatbot development, SaaS development and custom software development.
Communication was clear, delivery was reliable and the final product was scalable and user-friendly. Highly recommended for AI chatbot development, SaaS development and custom software development.
GC
Gina C.
Jun 10, 2026
Website Bug Fixes & Development Support
It was a pleasure working with FuzionDev. They helped resolve several bugs on my website and provided effective solutions to issues that were impacting functionality. Communication was clear throughout the project, and they were responsive whenever questions or adjustments came up. Highly recommend
About Haseeb
AI Integration Developer | AI Agents, Claude, OpenAI, n8n, Full-Stack
100%
Job Success
Faisalabad, Pakistan - 11:30 pm local time
𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 | 𝟭𝟬𝟬% 𝗝𝗢𝗕 𝗦𝗨𝗖𝗖𝗘𝗦𝗦 | 𝟰𝟰+ 𝗨𝗣𝗪𝗢𝗥𝗞 𝗝𝗢𝗕𝗦 | 𝟵𝟱𝟬+ 𝗛𝗢𝗨𝗥𝗦
Building an AI Agent, adding RAG to an existing product, automating operations with n8n, or turning a vibe-coded prototype into a secure production application? I can take it from architecture and integration through testing, deployment, and post-launch support.
𝗔𝗜 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗜𝗢𝗡 | 𝗔𝗜 𝗔𝗚𝗘𝗡𝗧𝗦 | 𝗖𝗟𝗔𝗨𝗗𝗘 | 𝗥𝗔𝗚
• Claude API, Claude Code, OpenAI API & Gemini integrations
• AI Agent Development, MCP, tool calling & structured outputs
• Retrieval-Augmented Generation (RAG), vector search, embeddings & knowledge bases
• AI chatbots, assistants, internal copilots & document Q&A
• Document extraction, classification, summarization & intelligent processing
• Generative AI, LLM integrations, API Integration, guardrails & cost optimization
𝗡𝟴𝗡 & 𝗔𝗜 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡
• n8n AI workflows & business process automation
• CRM, email, forms, databases, APIs & webhook integrations
• Lead qualification, onboarding, follow-ups & sales workflows
• Multi-step workflows, conditional logic, retries, error handling & monitoring
• Self-hosted n8n with Docker/AWS when more control is required
• Reporting, notifications, data synchronization & internal operations automation
𝗩𝗜𝗕𝗘 𝗖𝗢𝗗𝗜𝗡𝗚 | 𝗔𝗜 𝗔𝗣𝗣 𝗥𝗘𝗦𝗖𝗨𝗘
Built with Lovable, Bolt, Replit, Cursor, v0, or Claude Code but not ready for real users? I turn fast AI-generated prototypes into secure, maintainable, production-ready applications.
• Audit AI-generated codebases and identify critical risks
• Fix authentication, authorization & Supabase RLS
• Secure APIs, credentials, database access & backend endpoints
• Repair Stripe, database, webhook & third-party API integrations
• Refactor unstable AI-generated code and improve maintainability
• Improve performance, testing, logging, monitoring & deployment
𝗙𝗨𝗟𝗟-𝗦𝗧𝗔𝗖𝗞 & 𝗦𝗔𝗔𝗦 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧
𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: Next.js, React, TypeScript, Tailwind CSS, shadcn/ui
𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Python, FastAPI, Express.js, NestJS & REST APIs
𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: PostgreSQL, Supabase, Prisma, MongoDB & Redis
𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀: Stripe, subscriptions & Stripe Connect
𝗗𝗲𝘃𝗢𝗽𝘀: AWS, Vercel, Docker, GitHub Actions & CI/CD
I build AI SaaS platforms, multi-tenant applications, marketplaces, dashboards, client portals, CRM systems, booking platforms, and internal business tools.
𝗔𝗜 𝗖𝗢𝗡𝗦𝗨𝗟𝗧𝗜𝗡𝗚 & 𝗔𝗥𝗖𝗛𝗜𝗧𝗘𝗖𝗧𝗨𝗥𝗘
• AI use-case discovery & technical planning
• Claude vs. OpenAI vs. Gemini model selection
• RAG, AI Agent, MCP & automation architecture
• SaaS, multi-tenant, database & integration architecture
• Security, scalability, performance, reliability & AI cost optimization
• Codebase reviews, technical roadmaps, estimates & modernization plans
𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗖𝗔𝗡 𝗘𝗫𝗣𝗘𝗖𝗧
• Clear discovery and architecture before development begins
• Practical milestones, estimates & technical recommendations
• Production-focused engineering: security, permissions, testing & performance
• Clear communication, documentation & repository handover
• Support from architecture through deployment — not just code delivery
I personally lead discovery, architecture, technical planning, and client communication. For larger projects, my Upwork agency can provide additional full-stack developers, UI/UX designers, QA engineers, mobile developers, and DevOps specialists.
Eligible fixed-scope projects can include up to 30 days of post-launch support for issues related to the delivered scope.
Send me your idea, current stack, timeline, and biggest technical challenge. I’ll recommend the most practical architecture and a clear first milestone.
Steps for completing your project
After purchasing the project, send requirements so Haseeb can start the project.
Delivery time starts when Haseeb receives requirements from you.
Haseeb works on your project following the steps below.
Revisions may occur after the delivery date.
Client sends the xd/figma design or any refrence website.
Client should provide the xd/figma design or any reference website so that I can convert it into a working React JS Application.