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Notes on interviews and careers.

Essays on system design, frontend and backend interviews, and what it actually takes to land an offer at a product-based company.

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VS Code Setup: Fira Code, Theme & Extensions for Developers

Beautify VS Code in 15 minutes: Fira Code Bold with ligatures, One Dark Pro theme, Material icons, and 5 extensions — every setting explained with code.

MentoxisSeptember 6, 20264 min read
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Uber Frontend Interview Experience

Uber Frontend Interview Experience with exact questions

Santosh YadavSeptember 5, 20261 min read
How I Cracked 50+ DSA Interviews and Landed at Uber
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How I Cracked 50+ DSA Interviews and Landed at Uber

The complete DSA interview roadmap I used to crack 50+ FAANG and Big Tech rounds and land at Uber — every pattern, problem list, and resource in one place.

MentoxisAugust 23, 202610 min read
Intelligence Finally Got Cheap: What DeepSeek V4 Flash 0731 Means for Agentic Workflows
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Intelligence Finally Got Cheap: What DeepSeek V4 Flash 0731 Means for Agentic Workflows

Cheap models were never the missing piece. There were plenty, it was the intelligence vs cost that DeepSeek cracked.

Parminder PoonianAugust 11, 20266 min read
Caching in System Design Interviews: A Deepdive
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Caching in System Design Interviews: A Deepdive

A practical guide to caching in system design - where to cache, which strategy to use, how it fails, and when caching makes things worse.

Parminder PoonianAugust 11, 202612 min read
How to optimize your AI cost?
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How to optimize your AI cost?

We have all faced this. You give your AI coding agent a normal task, let it work for some time, and suddenly a large part of your hourly or weekly limit is poof gone.

Parminder PoonianAugust 8, 202616 min read
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The 2026 Frontend Interview Roadmap

A step-by-step, in-order frontend interview roadmap for 2026 — from core HTML/CSS/JS foundations through TypeScript, React depth, system design, machine coding, and the AI-fluency layer most candidates skip.

MentoxisAugust 7, 20265 min read