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ahmadsajjad82

Ahmad Sajjad

@ahmadsajjad82

I build AI chatbots, PDF chat apps, and document assistants

Pakistan
English, Urdu
About me
Full Stack and AI Engineer with 3 years shipping production ready web apps and AI powered tools for clients globally. I specialize in building AI chatbots powered by OpenAI, chat with PDF apps using RAG pipelines, and AI document assistants that turn your files into an intelligent knowledge base. Stack: Next.js, React, Node.js, PostgreSQL, OpenAI API, LangChain, Supabase, Vercel. Delivered production systems including SaaS platforms, ecommerce stores, automation tools, and AI integrated web apps for real clients with real users. Need it built right and on time? Message me.... Read more

Skills

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ahmadsajjad82
Ahmad Sajjad
Offline • 
Average response time: 1 hour

See my services

Custom Websites
I will build a chat with PDF web app using open ai and nextjs
From$80 / projectMore details
Custom Websites
I will build an ai chatbot for your website
From$100 / projectMore details

Portfolio

Work experience

Freelance_Web Designer

AI Engineer and Full Stack Web Developer

Freelance Web Designer • Self-employed

Jul 2025 - Present • 1 yr

Full Stack and AI Engineer with 3 years shipping production ready web apps, AI powered tools, and SaaS platforms for clients across the US, UK, and beyond. Specialized in building AI chatbots powered by OpenAI and LangChain, chat with PDF applications using RAG pipelines, and AI document assistants that turn static files into intelligent knowledge bases. Technical stack includes Next.js, React, Node.js, PostgreSQL, OpenAI API, LangChain, Supabase, and Vercel. Experienced in designing scalable APIs, building role based dashboards, and architecting complete systems from database to deployment. Delivered production systems including ecommerce platforms, SaaS dashboards, automation tools, and AI integrated web applications for real clients with real users.