Author
Saket Bhatnagar
Founder, SevyDevy
Saket Bhatnagar is a software engineer from India and the founder of SevyDevy. He works on frontend architecture, scalable systems and AI-enabled products.
He researches, reviews and edits every SevyDevy Learn guide, so each one explains the why behind a topic and ends with the questions interviewers actually ask.
Latest guides
Guides Saket Bhatnagar reviewed and edited most recently.
- AI Agent Benchmarks Explained: How Scores Get Inflated and How to Read ThemAI and GenAI · 21 min read
- Reverse Interviewing Questions: What to Ask About On-Call and Team HealthInterview prep · 22 min read
- RAG Content Ops: Fix Stale, Duplicate and Conflicting Source DocsAI and GenAI · 21 min read
- Link Preview System Design: Unfurling URLs Safely with SSRF DefencesSystem design · 27 min read
- In-App Notifications Explained: Badges, Toasts and Cross-Tab Read StateFrontend · 27 min read
- Image Pipeline System Design: Resizing, Formats, Cache Keys and Signed URLsSystem design · 23 min read