By Krishna Teja
Build, learn, experiment, and share.
A personal space for AI experiments, useful prompts, practical tools, and notes from the work.
Start here
Explore the site
Latest writing
Recent posts
AI Engineering2026-09-08
I Built a RAG Playground to Understand How RAG Actually Works
I built and shipped an interactive RAG playground to understand what really happens behind Retrieval-Augmented Generation - from document extraction and chunking to embeddings, semantic search, and grounded AI responses.
Product engineering9 min read
Building My Coupons App
A practical developer story about building a personal coupon manager in a Next.js app with Google OAuth, Google Drive storage, Gmail offer scanning, and AI-assisted entry.
Salary and tax calculators
Quick, practical calculators for CTC, income tax, HRA, PF, gratuity, and salary hikes.