AI Development
10/07/2025•8 min read
Building Intelligent RAG Systems with LangChain
Learn how to create powerful document-aware AI assistants using Retrieval-Augmented Generation techniques.
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AI
ML
About Me
I'm an Agentic AI Developer and Data Scientist with over 6 years of experience delivering high-impact solutions in machine learning, predictive modeling, NLP, and AI-driven automation.
I've successfully completed 100+ global projects spanning industries such as healthcare, e-commerce, and finance. I specialize in building intelligent applications using Python, LangChain, LangGraph, OpenAI SDK, and TensorFlow.
My expertise includes designing document-aware chatbots, AI onboarding assistants, and integrating AI into business workflows to streamline operations and optimize performance.
6+ Years Experience
In AI/ML and Data Science
Top Rated Freelancer
100+ successful projects
Expert in Modern AI
LangChain, OpenAI, Pinecone
Global Impact
Clients across multiple industries
Work Experience
Building intelligent solutions and driving business growth through AI and data science
Agentic AI & Data Science Consultant
Freelancing
DEC 2018 – SEP 2024
Remote
Key Achievements
- Delivered 100+ AI/ML projects for a global client base
- Specialized in chatbots, financial predictors, and Q&A systems
- Implemented AI workflows with LangChain, Streamlit, and FAISS
Technologies Used
PythonOpenAI APILangChainStreamlitFAISSTensorFlow
E-Commerce Strategy Consultant
Baby Product Category | UK
JAN 2021 – DEC 2023
Remote
Key Achievements
- Led sales strategy and operational automation for baby products business
- Introduced data-driven decision-making frameworks
- Improved conversion rates and marketing ROI
- Directed cross-functional team for product sourcing and sales
Technologies Used
Data AnalyticsAmazon FBAMarket ResearchBusiness Intelligence
Featured Projects
Innovative AI solutions that demonstrate my expertise in machine learning, NLP, and intelligent automation
TripCraft AI
Agentic travel planner using LangGraph & FastAPI that generates complete trip plans based on user preferences including budget, travel mode, and destinations.
Key Features
- Modular agent workflow with memory
- Real-time trip planning with PDF export
- Responsive UI with animations
- Dynamic plan generation
Technologies
LangGraphFastAPITavily Search APIPDF Generation
Multi-PDF Chat
AI-powered document Q&A system enabling natural language interaction with multiple PDFs using LangChain, Google Gemini AI, and FAISS.
Key Features
- Multi-document conversational AI
- Semantic search with embeddings
- Context-aware responses
- Real-time chat interface
Technologies
LangChainGoogle Gemini AIFAISSPyPDF2Streamlit
AI Customer Support System
Intelligent e-commerce customer support agent with semantic search, dynamic query handling, and brand-aligned responses.
Key Features
- Real-time conversational interface
- Semantic search capabilities
- Custom prompt engineering
- CI/CD deployment pipeline
Technologies
LangChainOpenAIPineconeStreamlitGitHub Actions
Twitter Sentiment Analysis
Real-time sentiment analysis on Twitter data with stock price prediction using NLP and time-series forecasting models.
Key Features
- Real-time sentiment tracking
- Stock price correlation analysis
- Interactive data visualizations
- Predictive modeling
Technologies
NLTKspaCyTwitter APIPlotlySeaborn
Skills & Expertise
Comprehensive technical expertise across the AI and data science spectrum
AI & Machine Learning
Machine Learning95%
Deep Learning90%
LLM Applications92%
AI Agents & Workflows91%
Programming & Frameworks
Python96%
LangChain/LangGraph93%
TensorFlow/Keras88%
FastAPI85%
Data & Analytics
Data Analysis94%
Statistical Modeling89%
Data Visualization87%
Data Wrangling83%
AI Application Focus Areas
Conversational AI
Building intelligent chatbots and virtual assistants
RAG Systems
Retrieval-Augmented Generation for document Q&A
AI Automation
Streamlining business processes with AI workflows
Technical Stack
Python
TensorFlow
PyTorch
OpenAI
LangChain
Pinecone
Sciket-Learn
Streamlit
FastAPI
Langgraph
Git
Pandas
Education & Certifications
Continuous learning and professional development in AI, technology, and engineering
Formal Education
Bachelor of Automotive Engineering
NED University of Engineering and Technology
Dec 2014 – Sep 2018
Karachi, Pakistan
Graduated with 2nd Position
Specialized in automotive systems design and development with a focus on smart car design and hybrid driveline efficiency.
Professional Diplomas
Certified Cloud Native Applied Generative AI Engineer
PIAIC
Feb 2023 – Jun 2024
Comprehensive training in cloud-native technologies and generative AI models with focus on real-world applications.
Amazon Private Label Diploma Track
Extreme Commerce
Jan 2022 – Jul 2022
Specialized training in private label business strategies, product research, sourcing, and brand building.
Amazon FBA Wholesale Diploma Track
Extreme Commerce
Jan 2022 – Mar 2022
Focused on wholesale business models, supplier negotiations, and inventory management.
Artificial Intelligence
PIAIC
Jan 2019 – Jan 2021
In-depth study of machine learning, data science, and AI methodologies with practical project implementation.
Certifications
IBM Data Analysis with Python
IBM
Proficiency in data analysis techniques using Python, including data manipulation and visualization.
Machine Learning
Stanford Online
Deep understanding of machine learning principles, algorithms, and implementation through Python.
AI For Everyone
DeepLearning.AI
Fundamentals of AI and its applications, focusing on business and societal impact.
Introduction to Programming Using Python
Microsoft Technology Associate
Foundational skills in Python programming, including syntax, control flow, and OOP concepts.
Resume
Download my comprehensive CV to learn more about my professional journey and technical expertise
Key Highlights
Certified in AI
PIAIC, DeepLearning.AI, IBM, and Microsoft certifications
LangChain Expert
Built RAG apps, chatbots, and AI assistants
E-commerce AI Strategy
Led automation and optimization initiatives
Danish Shahzad
AI Developer & Data Science Consultant
6+
Years Experience
100+
Projects Completed
10+
Certifications
Latest Blog Posts
Insights, tutorials, and thoughts on AI development, machine learning, and the future of technology
AI Strategy
10/07/2025•6 min read
The Future of AI Agents in Business Automation
Exploring how autonomous AI agents are transforming business workflows and operational efficiency.
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Technical Tutorial
10/07/2025•10 min read
LangGraph: Next-Generation AI Application Framework
Deep dive into LangGraph's capabilities for building complex, stateful AI applications.
Read MoreYouTube Channel
Educational content on AI development, machine learning tutorials, and hands-on coding sessions
15:30
Building AI Agents with LangGraph
Complete tutorial on creating autonomous AI agents using LangGraph framework
12:45
RAG Systems Explained
Deep dive into Retrieval-Augmented Generation and its practical applications
18:20
Custom Chatbot Development
Step-by-step guide to building intelligent chatbots with Python and OpenAI
Get In Touch
Ready to collaborate on your next AI project? Let's discuss how we can bring your ideas to life
Contact Information
Available for:
- AI/ML Consulting Projects
- Custom Chatbot Development
- Data Science Solutions
- LangChain/RAG Applications