Writing

Practical, hands-on articles on building AI systems in Python — retrieval-augmented generation, real-time voice AI and FastAPI backends.

• 14 October 2026 · 6 min read

  Hiring a Voice AI Engineer in Pakistan: What to Look For

  How to evaluate a voice AI engineer, run a low-risk pilot and avoid the most common hiring mistakes.

  • Voice AI
  • Hiring
  • Pakistan
  • Consulting

• 13 October 2026 · 7 min read

  Vector Search in PostgreSQL with pgvector: A Production Guide

  When a dedicated vector database is overkill: indexing, querying and scaling embeddings inside PostgreSQL.

  • pgvector
  • PostgreSQL
  • RAG
  • Vector Search
  • Python

• 12 October 2026 · 7 min read

  FastAPI Microservices for AI Applications: A Practical Guide

  The patterns that keep an AI backend reliable: async I/O, background jobs, clean dependencies, and health checks.

  • FastAPI
  • Python
  • Microservices
  • AsyncIO
  • DevOps

• 10 October 2026 · 8 min read

  Building an AI Calling Platform with Python, LiveKit and Telephony

  The full path from a phone number to a working voice agent: telephony, LiveKit SIP, call state, recordings and compliance.

  • Voice AI
  • LiveKit
  • SIP
  • Telephony
  • Python

• 5 October 2026 · 8 min read

  Real-Time Voice AI with LiveKit, WebRTC and FastAPI

  The architecture behind responsive voice agents: transport, streaming STT/TTS, turn detection, and tool-calling LLMs.

  • Voice AI
  • LiveKit
  • WebRTC
  • FastAPI
  • STT/TTS

• 28 September 2026 · 9 min read

  Building a RAG Chatbot with LangChain and FastAPI in Python

  How to wire document loading, embeddings, a vector store and an LLM into a RAG chatbot, then serve it as a FastAPI endpoint.

  • RAG
  • LangChain
  • FastAPI
  • Python
  • LLMs