Olaleye Blessing

@Jongbo

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Senior Frontend developer

Lagos, NigeriaJoined May 2022

About

Frontend Developer | Open-source contributor | Experienced Backend Developer

Available for

I am available for a full-time role.

Olaleye Blessing's blogs

Untitled Publicationjongbo.hashnode.dev9 posts

freeCodeCamp Englishfreecodecamp.org/news3 posts

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Recently published

OBOlaleye Blessingfreecodecamp.orgJun 17 · 26 min read

How to Avoid Overusing useCallback and useMemo in React

If you've spent enough time in the React ecosystem, you'll have likely seen codebases where nearly every function is wrapped with useCallback and the computed value is wrapped with useMemo. The reason

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OBOlaleye Blessingfreecodecamp.orgNov 24, 2025 · 17 min read

How to Simplify Your React Components with Derived State

React simplifies building user interfaces with hooks like useState for managing dynamic values. But it's common to overuse useState. This often leads to duplicated data and unnecessary complexity. For instance, you might store a full name in state wh...

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OBOlaleye Blessingfreecodecamp.orgSep 24, 2025 · 9 min read

How to Fix Memory Leaks in React Applications

Have you ever noticed your React application getting slower the longer you use it? This could be a result of memory leaks. Memory leaks are a common performance issue in React applications. They can slow down your application, crash your browser, and...

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OBOlaleye Blessingjongbo.hashnode.devAug 2, 2024 · 15 min read

Implementing Optimistic UI in React.js/Next.js

A smooth and responsive user experience(UX) is important for any modern web application. Users expect quick interactions and immediate feedback after performing an action, even when data needs to be updated on a server. Any delay can lead to frustrat...

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OBOlaleye Blessingjongbo.hashnode.devJan 8, 2024 · 10 min read

Mastering Pattern-Matching in Elixir

Elixir is a functional programming language that is great for building scalable applications. Pattern matching is a powerful feature in Elixir. At its core, pattern matching allows developers to destructure data and make decisions based on its struct...

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Olaleye Blessing

About

Available for

Olaleye Blessing's blogs

Recently published

How to Avoid Overusing useCallback and useMemo in React

How to Simplify Your React Components with Derived State

How to Fix Memory Leaks in React Applications

Implementing Optimistic UI in React.js/Next.js

Mastering Pattern-Matching in Elixir

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Olaleye Blessing

About

Available for

Olaleye Blessing's blogs

Recently published

How to Avoid Overusing useCallback and useMemo in React

How to Simplify Your React Components with Derived State

How to Fix Memory Leaks in React Applications

Implementing Optimistic UI in React.js/Next.js

Mastering Pattern-Matching in Elixir