I will fix openai API, gpt errors, and debug fastapi async backend

H
hunainali5
H
hunainali5
Hunain Ali

Level 1

fix openai API, gpt errors, and debug fastapi async backend
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fix openai API, gpt errors, and debug fastapi async backend

About this gig

Fix Your OpenAI API & FastAPI Backend Issues Professionally

Are you stuck with OpenAI API errors or FastAPI backend crashes?

If your AI app is failing in production, streaming not working, or you're getting 401 / 429 errors I will debug and fix it properly.

I specialize in production-grade LLM systems and FastAPI backends.


What I Can Fix

OpenAI / GPT Issues

  • OpenAI API integration errors
  • GPT-4 / GPT-3.5 API failures
  • 401 Invalid API Key errors
  • 429 Rate limit issues
  • Streaming not working
  • Token limit & response parsing issues
  • Azure OpenAI problems

️ FastAPI Backend Issues

  • Async / await bugs
  • Dependency injection errors
  • Pydantic validation issues
  • CORS errors
  • Broken endpoints
  • Background tasks failing
  • Middleware bugs

Deployment Problems

  • Docker issues
  • AWS / Azure deployment errors
  • Environment variable problems
  • Uvicorn / Gunicorn crashes

Why Choose Me?

Senior AI Engineer

Real production LLM deployment experience

Clean debugging (not patch fixes)

Root cause analysis

Long-term scalable solution

Send me your error logs and code snippet before ordering.

Lets fix it properly.

  • Programming language

    • Python

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Operating systems

  • Frontend framework

    • Angular
    • Flutter
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Django
    • Express.js
    • FastAPI
    • Node.js
    • Spring

Get to know Hunain Ali

Hunain Ali

Building scalable digital solutions that empower businesses to grow

4.6(30)

Level 1

  • FromPakistan
  • Member sinceOct 2020
  • Avg. response time1 hour
  • Last delivery4 days

  • Languages

    Urdu, Sindhi, Hindi, English, German
🌟 Hunain Ali | Senior Full Stack AI Engineer & LLM Systems Architect I design production-grade AI systems powered by LLMs and RAG. With 5+ years in backend and AI engineering, I build secure, scalable AI platforms—not just chatbots. 🚀 Expertise: RAG architectures, OpenAI-powered AI assistants, FastAPI backends, vector databases (Pinecone, Azure AI Search, FAISS), and cloud deployment (Azure & AWS). 💼 Helping startups and enterprises integrate AI strategically and at scale.

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