07/20/2026 updated
100 % available
Python Backend Developer | AI Applications & FastAPI
Karachi, Pakistan
Only remote
Intermediate (Commerce), Government Science & Commerce CollegeAbout me
AI & Python Backend specialist with 2.5 years of experience building intelligent automation. I integrate LLMs and third-party APIs into robust backend systems using FastAPI, Django, and Flask. Delivered 12+ projects for US/European clients. Fully remote with reliable, scalable code.
AI AgentsLLMCopilotChatGPTJavaScriptPHPApplication Programming Interfaces (APIs)Web ScrapingDebuggingDjangoJSONPython (Programming Language)PostgreSQLJSON Web TokenSelenium
Python Backend Development
Expertise in building REST APIs with FastAPI, Django, and Flask for AI applications and third-party integrations. Proficiency in JWT authentication, background jobs, error handling, and structured logging across Python backend services.
AI & LLM Integration
Hands-on experience integrating OpenAI APIs into Python backend services using structured outputs, function calling, and prompt engineering. Development of LLM-powered workflows with recovery logic to ensure AI workflow stability.
Automation & Web Scraping
Building of automation workflows using Selenium, Playwright, Scrapy, and Appium for browser automation, web crawling, and data extraction. Implementation of scheduled workflows with cron jobs and Google Sheets integrations.
APIs & Third-Party Integrations
Integration of third-party APIs using API keys and token-based authentication with retry logic and error handling. Experience with webhooks, API design, and API authentication patterns.
Cloud & Deployment
Deployment of Python automation applications on AWS EC2 Linux servers. Configuration of Gunicorn and cron jobs for production environments, with familiarity in GCP.
Databases
Working knowledge of PostgreSQL for backend data storage and management in Python-based applications.
Version Control
Use of Git and GitHub for source code management and collaborative development across client projects.
Engineering Practices
Application of debugging, root cause analysis, error handling, and structured logging to diagnose and resolve production issues reliably.
Data Extraction
Web crawling, web scraping, browser automation, and 2Captcha integration for automated data extraction from complex and JavaScript-heavy websites.
Expertise in building REST APIs with FastAPI, Django, and Flask for AI applications and third-party integrations. Proficiency in JWT authentication, background jobs, error handling, and structured logging across Python backend services.
AI & LLM Integration
Hands-on experience integrating OpenAI APIs into Python backend services using structured outputs, function calling, and prompt engineering. Development of LLM-powered workflows with recovery logic to ensure AI workflow stability.
Automation & Web Scraping
Building of automation workflows using Selenium, Playwright, Scrapy, and Appium for browser automation, web crawling, and data extraction. Implementation of scheduled workflows with cron jobs and Google Sheets integrations.
APIs & Third-Party Integrations
Integration of third-party APIs using API keys and token-based authentication with retry logic and error handling. Experience with webhooks, API design, and API authentication patterns.
Cloud & Deployment
Deployment of Python automation applications on AWS EC2 Linux servers. Configuration of Gunicorn and cron jobs for production environments, with familiarity in GCP.
Databases
Working knowledge of PostgreSQL for backend data storage and management in Python-based applications.
Version Control
Use of Git and GitHub for source code management and collaborative development across client projects.
Engineering Practices
Application of debugging, root cause analysis, error handling, and structured logging to diagnose and resolve production issues reliably.
Data Extraction
Web crawling, web scraping, browser automation, and 2Captcha integration for automated data extraction from complex and JavaScript-heavy websites.
Languages
EnglishFluent
Project history
Built AI applications, backend services, and automation tools across 12+ client projects. Responsibilities included integrating OpenAI APIs, developing REST APIs with FastAPI, Django, and Flask, automating workflows with Selenium and Playwright, deploying applications on AWS EC2, and debugging production issues.
Built a Python workflow to retrieve YouTube comments using Selenium and integrated OpenAI API to generate and publish context-aware replies. Managed sequential processing across multiple YouTube channels with automated account switching and implemented logging, error handling, and recovery logic.
Built a scheduled Python automation system to retrieve top Reddit posts and publish content to Instagram, Facebook, and X. Integrated Reddit and social media APIs, implemented duplicate prevention, automated media download and processing, and built a scheduler for recurring publishing tasks.