Writing · 8 notes

Notes on building things carefully.

React patterns, interview post-mortems, architecture decisions and the occasional opinion about what “senior” means now.

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LatestMay 2026 · 8 min read · 6 min to listen

The 5 Questions That Actually Reveal a Senior Developer [EN]

Why a simple 5-question job application form reveals more about a Senior FE candidate than most technical interviews - and what it means to be a senior developer in the age of AI.

CareerInterviewLife

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May 2026

Main Tech Stack for a React App - 2026 Edition [EN]

A complete breakdown of the main technology choices for a modern React app in 2026 - framework, styling, state, routing, forms, testing, and more.

Architecture

10 min read

May 2026

Interview: Selectable List with 800 Items - My Solution & Reasoning [EN]

Event delegation, Set state, memo, and useCallback - how I balanced performance and readability in a classic React interview task with 800 list items.

React · Interview · Performance

8 min read

May 2026

React Bugs That Bite - 7 Classic Mistakes and How to Fix Them [EN]

Seven React bugs that appear in real codebases and interviews - stale closures, race conditions, the zero rendering problem, Context re-render traps, and more.

React

6 min read

Apr 2026

TypeScript Patterns Worth Knowing - Beyond the Basics [EN]

Discriminated unions, unknown vs never, generics in hooks, mapped types, and infer - the TypeScript patterns that appear in senior interviews and well-maintained codebases.

TypeScript

8 min read

Mar 2026

Optimizing Performance in React: The Complete Guide [EN]

Everything you need to know about React performance—from profiling tools to virtualization, memoization, and Web Workers. With code examples and breakdowns of common errors.

React · Architecture · Performance

25 мин

Feb 2026

Frontend Job Market 2026–2027: What the Data Actually Tells Us [EN]

An HR perspective on the top-20 most in-demand frontend skills based on ~45 job postings — what's mandatory, what's rising, and how to position yourself.

Career · Interview

10 min read

Jan 2026

useRef, useMemo, useCallback - When They Matter and When They Don't [EN]

A practical deep dive into useRef, useMemo, and useCallback - when they matter, when they don't, and the interview questions built around them.

React

7 min read