I will build custom ai apps and integrate llms for your business

U
usama_79
U
usama_79
Usama Saleem

About this gig

Are you looking to scale your business with powerful, custom AI solutions? You are in the right place!

I specialize in building production-ready custom AI applications and seamlessly integrating advanced LLMs (Large Language Models) into web and mobile platforms. Whether you need a smart chatbot, an automated workflow, or a full-stack AI SaaS app, I deliver optimized, secure, and scalable solutions tailored to your exact needs.

What I Offer:

  • Custom AI Web/Mobile Apps: Built using Next.js, Python, and modern web frameworks
  • LLM Integration: OpenAI (GPT-4), Claude, Llama, and open-source models
  • LangChain & LlamaIndex Pipelines: Advanced RAG (Retrieval-Augmented Generation) systems to query your own documents/data
  • API Development & Integration: Connecting AI models directly to your existing systems or custom dashboards
  • Bug Fixing & Optimization: Enhancing speed, accuracy, and efficiency of existing AI setups

Tech Stack:

  • Languages & Frameworks: Python, Next.js, JavaScript, React
  • AI & Machine Learning: OpenAI API, LangChain, Hugging Face
  • Databases & Tools: Pinecone, ChromaDB, PostgreSQL, REST APIs


Ready to transform your ideas into reality? Click "Contact Me" to discuss your project

Get to know Usama Saleem

Usama Saleem

Lead Full Stack AI Developer, SaaS and Automation

  • FromPakistan
  • Member sinceMar 2018
  • Avg. response time1 hour
  • Languages

    English, Urdu
Senior Full Stack AI Developer with 7+ years of experience building scalable web applications and custom AI solutions. I specialize in turning complex ideas into production-ready platforms using React, Next.js, Python (FastAPI/Django), and Node.js. My AI expertise includes OpenAI, Claude, LangChain, RAG pipelines, AI agents, and vector databases like Pinecone. From SaaS platforms to smart automated workflows, I deliver clean, secure, and high-performance code on cloud infrastructure like AWS and Docker. Let’s bring your AI project to life!