You will get I'll build a production RAG chatbot on your data

Project details
Most RAG chatbots give generic answers. Mine retrieve the right
information from YOUR data — accurately, every time.
I've built production RAG systems for Apple's internal ML teams,
achieving 60% improvement in knowledge retrieval. This is
production-grade engineering, not a demo.
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🔍 WHAT MAKES THIS DIFFERENT
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✅ Hybrid Search — semantic vector + BM25 keyword search combined
✅ Source Citations — every answer references the exact document
✅ Production-Ready — FastAPI, async processing, clean docs
✅ Your Data Stays Private — runs on your own infrastructure
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📁 ACCEPTS: PDFs, Word, Excel, URLs, Notion, Confluence
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🛠️ LangChain · OpenAI GPT-4 · FAISS / Pinecone · FastAPI · Docker
─────────────────────────────
💬 WHY ME
─────────────────────────────
Embedded AI engineer at Apple, Microsoft & Anthropic. I build
to production standards regardless of project size.
Not sure which tier fits? Send me a message.
information from YOUR data — accurately, every time.
I've built production RAG systems for Apple's internal ML teams,
achieving 60% improvement in knowledge retrieval. This is
production-grade engineering, not a demo.
─────────────────────────────
🔍 WHAT MAKES THIS DIFFERENT
─────────────────────────────
✅ Hybrid Search — semantic vector + BM25 keyword search combined
✅ Source Citations — every answer references the exact document
✅ Production-Ready — FastAPI, async processing, clean docs
✅ Your Data Stays Private — runs on your own infrastructure
─────────────────────────────
📁 ACCEPTS: PDFs, Word, Excel, URLs, Notion, Confluence
─────────────────────────────
🛠️ LangChain · OpenAI GPT-4 · FAISS / Pinecone · FastAPI · Docker
─────────────────────────────
💬 WHY ME
─────────────────────────────
Embedded AI engineer at Apple, Microsoft & Anthropic. I build
to production standards regardless of project size.
Not sure which tier fits? Send me a message.
Database Type
PostgreSQLWhat's included
| Service Tiers |
Starter
$350
|
Standard
$750
|
Advanced
$1,500
|
|---|---|---|---|
| Delivery Time | 7 days | 12 days | 21 days |
Number of Revisions | 1 | 2 | 3 |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150
Additional Revision
+$75
Slack/WhatsApp Integration
(+ 3 Days)
+$200
Admin Dashboard
(+ 5 Days)
+$300
4 reviews
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UH
Umair H.
Feb 19, 2024
Full stack developer required
Sajjad is a gem in full-stack development. we were having a bug which were unable to figure out and then Sajjad came in and solved the problem in less than an hour. highly recommend and I hope we have more work for him in the future.
LS
Louis S.
Jan 7, 2024
Data Scraping Script
Sajjad is a very skilled and talented software engineer. He has a quick understanding of a users needs and can design systems that are beyond your expectations. I would really recommend Sajjad to anyone looking for an exemplary developer. Thanks again Sajjad.
HT
Hassan T.
Dec 9, 2023
Full stack Shopify Developer with Machine learning expertise
Highly skilled with great domain knowledge, we hired him for consultation on a major issue we had been facing for a while. Highly recommended to everyone.
DK
Dr K.
Aug 4, 2023
The best PHP/WordPress developer is needed
Working with Sajjad Ali Sindhu on a crucial security task for our WordPress sites was an impressive experience. His quick troubleshooting skills led to the identification of a faulty plugin, which he promptly fixed.
Not only did he showcase technical prowess, but Sajjad also impressed us with his clear and comprehensive communication style. He explained the complex process in simple terms, ensuring we understood every step.
He didn't stop at just rectifying the immediate issue; he fortified our website security and provided practical advice to prevent future incidents. His professionalism and friendly demeanor made the experience smooth and stress-free. Eagerly looking forward to our next collaboration!
Highly recommended developer.
Not only did he showcase technical prowess, but Sajjad also impressed us with his clear and comprehensive communication style. He explained the complex process in simple terms, ensuring we understood every step.
He didn't stop at just rectifying the immediate issue; he fortified our website security and provided practical advice to prevent future incidents. His professionalism and friendly demeanor made the experience smooth and stress-free. Eagerly looking forward to our next collaboration!
Highly recommended developer.
About Sajjad
Full Stack Developer | AI Agents & SaaS | Python, Next.js, Node.js
Lahore, Pakistan - 3:15 am local time
As a Full Stack Developer, I work across the stack - React, Next.js, Node.js, and Python - to build web apps, SaaS platforms, and backend systems that are clean, scalable, and easy to maintain.
As an AI Agents developer, I build AI Agents and AI chatbots using LangChain, LangGraph, and RAG that automate tasks, answer questions, and connect to your tools and data.
WHAT I CAN BUILD FOR YOU
FULL STACK DEVELOPMENT
Web apps and SaaS platforms built with React, Next.js, Node.js, Python, FastAPI, and Django. Full Stack Developer work covering frontend, backend, database, and deployment.
AI AGENTS
AI Agents, AI chatbots, and automation built with LangChain, LangGraph, RAG, and OpenAI, Claude, and Gemini integrations. AI Agents that plug into your product and your workflow.
SAAS DEVELOPMENT
SaaS MVPs and full products - user accounts, payments, dashboards, and APIs - built by a Full Stack Developer who can take a SaaS idea from scratch to launch.
WHY WORK WITH ME
I reply fast, explain things simply, and stay until the job is done. Whether you need a Full Stack Developer for a web app or SaaS product, or an AI Agents developer to automate your business, message me and let's talk.
Keywords: Full Stack Developer, Full Stack Development, AI Agents, AI Agent Development, SaaS, SaaS Development, React, Next.js, Node.js, Python, FastAPI, Django, LangChain, LangGraph, RAG, AI Chatbot, PostgreSQL, MongoDB, AWS
Steps for completing your project
After purchasing the project, send requirements so Sajjad can start the project.
Delivery time starts when Sajjad receives requirements from you.
Sajjad works on your project following the steps below.
Revisions may occur after the delivery date.
Understanding the requirements.