I will build fastapi backend, python API, and openai integration

M
mustafaghln8n
M
mustafaghln8n
Mustafa Haider
build fastapi backend, python API, and openai integration
Full Screen
build fastapi backend, python API, and openai integration
Full Screen
build fastapi backend, python API, and openai integrationbuild fastapi backend, python API, and openai integration

About this gig

Build scalable FastAPI backends, Python APIs, and OpenAI integrations for real-world applications and automation systems.

I specialize in creating production-ready backend systems that are clean, efficient, and built to scale. Whether you need a simple API or a complete backend for your SaaS or AI product, I can help.

What I offer:

  • FastAPI backend development
  • Custom REST API creation
  • OpenAI API integration (GPT-based systems)
  • Database integration (PostgreSQL, Supabase)
  • Authentication systems (JWT, secure APIs)
  • API integrations & webhooks
  • Cloud deployment support

Use cases:

  • AI applications
  • SaaS backend systems
  • Automation platforms
  • Data pipelines

Why choose me?

  • Production-ready, scalable code
  • Clean architecture & best practices
  • Fast communication and reliable delivery
  • Focus on performance and maintainability

Lets get started

Send me your requirements and Ill provide a clear plan to build your backend.

  • AI engine

    • GPT
    • DeepSeek
    • Claude

  • Programming language

    • C
    • C#
    • C++
    • Dart
    • Go
    • Java
    • JavaScript
    • Python
    • TypeScript
    • Tensorflow

Get to know Mustafa Haider

Mustafa Haider

n8n Expert, AI Automation and Agents, Make, Zapier, API and CRM Workflows

  • FromPakistan
  • Member sinceOct 2025
  • Avg. response time1 hour

  • Languages

    English
Hi there! I’m an AI & Automation Engineer specializing in n8n automation, OpenAI API integration, and Python backend systems. I build production-ready solutions including AI chatbots, RAG pipelines, API integrations, and workflow automation that help businesses save time and scale. Skilled in FastAPI, LangChain, vector databases, web scraping, and cloud automation. I focus on delivering clean, scalable systems with clear communication and fast turnaround, helping clients reduce manual work and improve efficiency.

My Portfolio

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