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Interview prep that actually helps you get the job

Deep-dive guides on system design, DSA, and cracking top Indian product company interviews — written for engineers, by engineers.

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AI Engineering

RAG System Design Interview Questions — How to Design a Retrieval-Augmented Generation System

RAG system design is now a standard interview question at any company building AI products. This guide walks through chunking, vector databases, hybrid retrieval, reranking, and evaluation — with a complete model answer for the design question.

8 Oct16 min read
AI Engineering

AI Engineering Interview Guide 2026 — What's Actually Being Asked

The bar has shifted dramatically since 2024. Companies now test transformer internals, inference serving, agent reliability, and evaluation — not just API usage. Here's what every AI engineering interview actually tests in 2026.

8 Oct13 min read
System Design

System Design Interview Questions 2026 — New AI-Era Patterns

System design interviews now include AI components as standard. Classic questions evolved — design a newsfeed now means a personalized ranked feed with ML. Five new AI-era questions didn't exist in prep guides 3 years ago. Here's the full picture.

8 Oct14 min read
AI Engineering

AI Skills Roadmap 2026 — What to Learn, in What Order, for AI Engineering Jobs

An opinionated, ordered roadmap for getting into AI engineering — not a list of 40 resources. Covers 4 entry points (from SWE, data science, fresh grad), skills by ROI priority, what to skip, 3 portfolio projects that actually get interviews, and realistic timelines.

8 Oct12 min read
AI Engineering

RAG vs Fine-Tuning for Indian Startups — The Real Cost Math in 2026

The question isn't RAG or fine-tuning. It's which one at which scale. This covers the decision framework, the optimization order that cuts costs 60% before architecture matters, India GPU pricing (E2E Networks vs AWS Mumbai), and the three-stage deployment path.

10 Oct15 min read

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