I will build rag system, finetune llms using langchain, python

U
umairsiddique01
U
umairsiddique01
Umair Siddique

Top Rated

4.9
4.9

Gig Summary

About this gig

Are you looking for a Retrieval-Augmented Generation (RAG) system or need to fine-tune Large Language Models (LLMs) for your specific use case? I can help you build powerful AI-driven applications using LangChain, Python, and cutting-edge Machine Learning techniques.


What I Offer:

Build RAG Systems: Implement efficient retrieval-augmented generation to enhance LLM responses with external knowledge sources.

Fine-tune LLMs: Customize and optimize GPT, LLaMA, Falcon, Mistral, or other models using LangChain and Python.

Generative AI Solutions: Work with text, image generation, and NLP-based models for content creation, chatbots, and automation.

Custom NLP Models: Implement text classification, summarization, question-answering, and embeddings.

Integration & Deployment: Seamlessly integrate AI models into your applications using APIs, cloud services, or local deployment.


Why Choose Me?

Hands-on experience with LLMs, LangChain, and Machine Learning

Custom, scalable, and optimized AI solutions tailored to your needs

High-quality code, well-documented and easy to integrate


Lets bring your AI project to life! Contact me before placing an order to discuss your requirements.

Get to know Umair Siddique

Umair Siddique

Software Engineer specializing in Mobile Apps, Generative AI, and Agentic AI

4.9(119)

Top Rated

  • FromPakistan
  • Member sinceApr 2023
  • Avg. response time1 hour
  • Last delivery4 days
  • Languages

    English, Urdu, Hindi, Punjabi
I’m a Mobile App Developer and Generative AI Engineer with 3+ years of experience building production-ready apps and intelligent AI systems. I develop cross-platform apps in Flutter and native Android apps using Kotlin and Jetpack Compose, focusing on clean architecture, performance, and smooth UX. On the AI side, I specialize in RAG, agentic AI, AI voice agents, and LLM-powered systems using Python, Flask, LangChain, LangGraph, LlamaIndex, and MCP with OpenAI, Claude, and Gemini. I deploy scalable, secure solutions on AWS and Render.

My Portfolio

Reviews

24 reviews for this Gig
4.9

(23)
(1)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    4.9
Sort By
Most relevant
  • T

    test7262

    NL

    Netherlands

    Ongoing collaboration
    5

    Excellent experience from start to finish. The seller demonstrated exceptional knowledge, clear communication, and outstanding service throughout the entire process. The work was delivered professionally, on time, and exceeded expectations. I highly recommend this seller to anyone looking for reliable, high-quality service on Fiverr.

    $1,000-$2,500

    Price

    3 months

    Duration

    Helpful?
    Yes
    No
  • A

    antalcapital

    MX

    Mexico

    5

    Working with Umair is very satisfying. I look forward to keep working with him. All the work and milestones were going according to plan.

    $800-$1,000

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • K

    kar1e007

    GB

    United Kingdom

    5

    Honestly one the best people to work with. Nothing was too much and the work output was excellent. This will the start of our journey together as I will be using Umair for many more projects.

    $200-$400

    Price

    2 weeks

    Duration

    Helpful?
    Yes
    No
  • J
    image-docs

    josemalquijay

    GT

    Guatemala

    Ongoing collaboration
    5

    This is the second project I work with Umair and I am really happy with his work. He really show the quality and knowledge of his works.

    $600-$800

    Price

    9 days

    Duration

    Helpful?
    Yes
    No
  • M

    mobinet34

    HK

    Hong Kong

    5

    Umair is simply one of the best people we have had the pleasure to work with on Fiverr. He fully understood what was required for our project and he kept us up to date on progress, changes and expectations. I highly recommend him for any AI agent project and I will definitely be pushing a lot more projects...

    $1,000-$2,500

    Price

    7 weeks

    Duration

    Helpful?
    Yes
    No
Reviews

24 reviews for this Gig
4.9

(23)
(1)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    4.9
Sort By
Most relevant
  • T

    test7262

    NL

    Netherlands

    Ongoing collaboration
    5

    Excellent experience from start to finish. The seller demonstrated exceptional knowledge, clear communication, and outstanding service throughout the entire process. The work was delivered professionally, on time, and exceeded expectations. I highly recommend this seller to anyone looking for reliable, high-quality service on Fiverr.

    $1,000-$2,500

    Price

    3 months

    Duration

    Helpful?
    Yes
    No
  • A

    antalcapital

    MX

    Mexico

    5

    Working with Umair is very satisfying. I look forward to keep working with him. All the work and milestones were going according to plan.

    $800-$1,000

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • K

    kar1e007

    GB

    United Kingdom

    5

    Honestly one the best people to work with. Nothing was too much and the work output was excellent. This will the start of our journey together as I will be using Umair for many more projects.

    $200-$400

    Price

    2 weeks

    Duration

    Helpful?
    Yes
    No
  • J
    image-docs

    josemalquijay

    GT

    Guatemala

    Ongoing collaboration
    5

    This is the second project I work with Umair and I am really happy with his work. He really show the quality and knowledge of his works.

    $600-$800

    Price

    9 days

    Duration

    Helpful?
    Yes
    No
  • M

    mobinet34

    HK

    Hong Kong

    5

    Umair is simply one of the best people we have had the pleasure to work with on Fiverr. He fully understood what was required for our project and he kept us up to date on progress, changes and expectations. I highly recommend him for any AI agent project and I will definitely be pushing a lot more projects...

    $1,000-$2,500

    Price

    7 weeks

    Duration

    Helpful?
    Yes
    No