Ponsubash Raj R

Backend-focused CS student building agentic AI, RAG, and workflow systems. Interested in system design, cloud architectures, and reliable AI products.

Chennai, India Joined on Nov 18, 2023 https://justatalentedguy.github.io/Ponsubash-Raj/

Education

Sri Sivasubramaniya Nadar College of Engineering

Pronouns

Work

Student

Ponsubash Raj R

Jul 26

Free-Tier AI Made Me Build a Traffic Cop for Tokens

#ai #redis #systemdesign #backend

6 min read

Want to connect with Ponsubash Raj R?

Create an account to connect with Ponsubash Raj R. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Ponsubash Raj R

Jul 19

RAG Apps Don’t Fail at Generation. They Fail at Retrieval

#ai #rag #vectordatabase #python

7 min read

Ponsubash Raj R

Jul 12

The LLM Didn’t Need to See the Diagram. It Just Needed a Seat Number

#ai #llm #productivity #architecture

5 min read

Ponsubash Raj R

Jul 5

I Built an AI Feed, Then Spent Most of the Time Fighting Bad Input

#ai #backend #dataengineering #llm

6 min read

Ponsubash Raj R

Jul 4

RAG Is Easy. Useful RAG Is the Hard Part

#ai #rag #postgres #systemdesign

6 min read

DEV Community

Ponsubash Raj R

Badges

1 Week Community Wellness Streak

Two Year Club

One Year Club

Skills/Languages

Currently learning

Available for

Free-Tier AI Made Me Build a Traffic Cop for Tokens

Want to connect with Ponsubash Raj R?

RAG Apps Don’t Fail at Generation. They Fail at Retrieval

The LLM Didn’t Need to See the Diagram. It Just Needed a Seat Number

I Built an AI Feed, Then Spent Most of the Time Fighting Bad Input

RAG Is Easy. Useful RAG Is the Hard Part