I will develop ai powered web apps, prompt engineering, llm integrations

K
khalidmhd
K
khalidmhd
Khalid Mehmood

Vetted Pro

Level 2

4.6
4.6
develop ai powered web apps, prompt engineering, llm integrations
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develop ai powered web apps, prompt engineering, llm integrations
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develop ai powered web apps, prompt engineering, llm integrationsdevelop ai powered web apps, prompt engineering, llm integrationsdevelop ai powered web apps, prompt engineering, llm integrations

Gig Summary

What people loved about this freelancer

arnaldoalves26
BR

Brazil

5
5

An excellent and experienced professional. Agile development; clear and concise documentation and code. He masters the latest technologies and applies them...

digirent
ES

Spain

5
5

Khalid has been an extraordinary experience from the beginning, always responsive, always proactive and to the point. In two days finished the first fase of...

digirent
ES

Spain

5
5

I am working with Khalid on different projects of automation connecting different softwares and can't be happier with the overall experience, really recommend Khalid.

Vetted by Fiverr Pro

Khalid Mehmood was selected by the Fiverr Pro team for their expertise.

About this gig

Are you looking to build a modern, AI-powered web app that's fast, smart, and scalable?

You're in the right place!


I'm a Node.js and AI integration expert who specializes in creating intelligent web applications powered by OpenAI, LangChain, and other LLMs.

With strong backend architecture and advanced prompt engineering, I'll help you bring your AI ideas to life, whether it's a chatbot, automation tool, or a full SaaS platform.


What I Offer

  • AI-powered web app development using Node.js & Express
  • Prompt engineering for better and more accurate AI responses
  • Integration with OpenAI, Gemini, or Claude APIs
  • Backend logic and secure API endpoints
  • Database setup (MongoDB, PostgreSQL, or Firebase)
  • Clean, scalable, and production-ready code


Perfect For

  • Startups building AI SaaS products
  • Businesses adding AI features to their apps
  • Developers needing a backend expert for LLM integrations


Let's turn your idea into a real, intelligent AI product.

Message me today, I'd love to help you build something amazing!

  • AI engine

    • ChatGPT
    • Claude
    • Gemini
    • AWS Bedrock
    • Vertex AI
    • Grok
    • DeepSeek
    • OpenRouter

  • Tools & frameworks

    • LangChain
    • LangGraph
    • LlamaIndex
    • CrewAI
    • Microsoft AutoGen
    • Microsoft Semantic Kernel
    • OpenAI Agents SDK
    • Google ADK

  • AI solution type

    • AI agent
    • AI chatbot
    • Rag system
    • AI workflow
    • AI copilot
    • AI assistant
    • Internal AI tool

  • Purpose

    • Customer support
    • Lead generation
    • Customer service
    • It support
    • HR & recruiting
    • Ecommerce
    • Finance
    • Education

Get to know Khalid Mehmood

Khalid Mehmood

Vetted Pro

Full Stack Web developer

5.0(134)

Level 2

Khalid Mehmood is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.

Vetted for

  • AI Development

  • Software Development

  • FromPakistan
  • Member sinceFeb 2021
  • Avg. response time1 hour
  • Last delivery5 days

  • Languages

    Urdu, English
Welcome! Let’s Build Something Great Together Hi there! I'm Khalid, a Full Stack Web Developer with 5+ years of experience and a BS in Software Engineering. I specialize in building fast, scalable, and secure web apps using MERN Stack, AWS, PostGreSQL, OpenAI and more. Before placing an order, please send me a message so I can confirm availability and fully understand your needs. My goal is to build long-term relationships by delivering top quality work and ensuring 100% client satisfaction, on time, every time! Let’s talk about your project, I'm just one message away!

My Portfolio

Reviews

11 reviews for this Gig
4.6

(10)
(0)
(0)
(0)
(1)
Rating Breakdown
  • Seller communication level
    4.6
  • Quality of delivery
    4.6
  • Value of delivery
    4.6
Sort By
Most relevant
  • A

    arnaldoalves26

    BR

    Brazil

    5

    An excellent and experienced professional. Agile development; clear and concise documentation and code. He masters the latest technologies and applies them to the project. He quickly grasps the scope and objectives. Excellent value for money. I recommend him. thank you Khalid.

    $100-$200

    Price

    5 days

    Duration

    Helpful?
    Yes
    No
  • D
    image-docs

    digirent

    ES

    Spain

    Ongoing collaboration
    5

    Khalid has been an extraordinary experience from the beginning, always responsive, always proactive and to the point. In two days finished the first fase of our project, really recommend Khalid for anyone looking to implement AI into the business processes.

    $200-$400

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • D
    image-docs

    digirent

    ES

    Spain

    Ongoing collaboration
    5

    I am working with Khalid on different projects of automation connecting different softwares and can't be happier with the overall experience, really recommend Khalid.

    $400-$600

    Price

    7 days

    Duration

    Helpful?
    Yes
    No
  • V
    image-docs

    vipstore_

    GB

    United Kingdom

    Order Canceled

    1

    This is very disappointing experience. The delivery and system were not working properly and caused serious issues on my side. The website became unstable and even admin access stopped working after updates. Communication was not clear and multiple problems were left unresolved. Overall, the quality...

    $400-$600

    Price

    8 days

    Duration

    K
    image-docs

    Seller's Response

    Helpful?
    Yes
    No
  • V
    image-docs

    vipstore_

    GB

    United Kingdom

    5

    thanks sir

    $200-$400

    Price

    3 days

    Duration

    Helpful?
    Yes
    No
Reviews

11 reviews for this Gig
4.6

(10)
(0)
(0)
(0)
(1)
Rating Breakdown
  • Seller communication level
    4.6
  • Quality of delivery
    4.6
  • Value of delivery
    4.6
Sort By
Most relevant
  • A

    arnaldoalves26

    BR

    Brazil

    5

    An excellent and experienced professional. Agile development; clear and concise documentation and code. He masters the latest technologies and applies them to the project. He quickly grasps the scope and objectives. Excellent value for money. I recommend him. thank you Khalid.

    $100-$200

    Price

    5 days

    Duration

    Helpful?
    Yes
    No
  • D
    image-docs

    digirent

    ES

    Spain

    Ongoing collaboration
    5

    Khalid has been an extraordinary experience from the beginning, always responsive, always proactive and to the point. In two days finished the first fase of our project, really recommend Khalid for anyone looking to implement AI into the business processes.

    $200-$400

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • D
    image-docs

    digirent

    ES

    Spain

    Ongoing collaboration
    5

    I am working with Khalid on different projects of automation connecting different softwares and can't be happier with the overall experience, really recommend Khalid.

    $400-$600

    Price

    7 days

    Duration

    Helpful?
    Yes
    No
  • V
    image-docs

    vipstore_

    GB

    United Kingdom

    Order Canceled

    1

    This is very disappointing experience. The delivery and system were not working properly and caused serious issues on my side. The website became unstable and even admin access stopped working after updates. Communication was not clear and multiple problems were left unresolved. Overall, the quality...

    $400-$600

    Price

    8 days

    Duration

    K
    image-docs

    Seller's Response

    Helpful?
    Yes
    No
  • V
    image-docs

    vipstore_

    GB

    United Kingdom

    5

    thanks sir

    $200-$400

    Price

    3 days

    Duration

    Helpful?
    Yes
    No

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