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Rakesh Singh

AI Developer at Genpact. Previously built backend systems for Shutterfly. NIT Bhopal grad. Writing about AI agents, backend engineering, and what I'm learning along the way.

Joined on Oct 1, 2026

Oct 14

"Your system prompt is not access control. Keep user IDs in state"

#discuss #ai #security #python

6 min read

Oct 11

Your AI Agent Sent That Email Twice. Here's the Idempotency Fix

#discuss #ai #python #architecture

7 min read

Oct 8

My RAG system didn't need more agents. It never saw the evidence

#discuss #ai #python #architecture

5 min read

Oct 3

A request limit cannot cap your LLM bill. Reserve tokens in Redis

#ai #redis #backend #architecture

5 min read

Oct 2

My agent paid twice for the same question. The fix was a Redis key

#discuss #ai #python #architecture

5 min read

Oct 1

First-person failure plus an ordered N: the 4 checkpoints, in pipeline order

#architecture #backend #saas #security

5 min read

Oct 1

My RAG API Never Signs Tokens or Sees Passwords

#security #rag #fastapi #ai

4 min read

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