Medium

Huseyn Ashurlu

he

In

JavaScript in Plain English

by

Huseyn Ashurlu

·

2d ago

The Frontend Works. So Why Does It Still Feel Slow?

Everything looks fine in the code. The API is fast. There are no errors. But something still feels wrong.

The Frontend Works. So Why Does It Still Feel Slow?

In

JavaScript in Plain English

by

Huseyn Ashurlu

·

6d ago

7 Things Every Frontend Developer Should Know About System Design

What working on trading platforms, large-scale applications, and performance optimization taught me about frontend engineering.

7 Things Every Frontend Developer Should Know About System Design

In

JavaScript in Plain English

by

Huseyn Ashurlu

·

Oct 20

5 Advanced React Concepts Every Senior Frontend Engineer Should Know

Practical lessons on rendering, state management, component design, and production reliability.

5 Advanced React Concepts Every Senior Frontend Engineer Should Know

In

JavaScript in Plain English

by

Huseyn Ashurlu

·

Oct 17

20 Senior Frontend Interview Questions With Real-World Answers

JavaScript, React, performance, architecture, and system design — explained with practical examples and lessons from production…

20 Senior Frontend Interview Questions With Real-World Answers

In

JavaScript in Plain English

by

Huseyn Ashurlu

·

Oct 8

The Real Cost of overusing useMemo and useCallback in React

Why more memoization doesn’t automatically mean better performance — and what a large React migration reminded me about optimization.

The Real Cost of overusing useMemo and useCallback in React

In

Stackademic

by

Huseyn Ashurlu

·

Jul 30

Why Most Frontend Developers Never Become Senior

The real gap is not React knowledge. It is judgment, ownership, and the ability to see problems before they reach production.

Why Most Frontend Developers Never Become Senior

Huseyn Ashurlu

·

Jul 24

10 Mistakes I See Junior Frontend Developers Make

Patterns I’ve seen repeatedly after mentoring 500+ students — and what junior developers should do instead.*

10 Mistakes I See Junior Frontend Developers Make

In

Stackademic

by

Huseyn Ashurlu

·

Jul 20

The Difference Between a React Developer and a Frontend Engineer

Knowing React does not automatically make someone a Frontend Engineer.

The Difference Between a React Developer and a Frontend Engineer

In

JavaScript in Plain English

by

Huseyn Ashurlu

·

Jul 16

The 7 Skills Every Frontend Engineer Needs in 2026

The role of frontend engineering is changing.

The 7 Skills Every Frontend Engineer Needs in 2026

In

JavaScript in Plain English

by

Huseyn Ashurlu

·

Jul 13

Why Frontend Engineers Need to Understand Performance

Your app works. Your users still leave. Here’s what’s actually happening.

Why Frontend Engineers Need to Understand Performance

Huseyn Ashurlu

Huseyn Ashurluhe

Frontend Engineer building scalable systems in fintech. Writing about architecture, system design, real-time applications, and modern web engineering.

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