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React Concepts for Senior Engineers

Asim Zaidi
4 min readJan 12

As a software developer, becoming a senior engineer is a challenging yet rewarding goal. A senior engineer is a highly skilled and experienced professional who is able to lead teams, design and implement complex systems, and drive innovation in their field. By mastering advanced React optimization techniques, such as utilizing the power of the Virtual DOM, making use of Higher-Order Components, experimenting with different rendering techniques, using a local storage solution, optimizing state management, lazy loading components, using React Suspense and Profiling and Performance measurement, you can significantly improve the performance of your React app and take a step closer to becoming a senior engineer.

By mastering these techniques, you’ll not only be able to build fast and performant apps, but also demonstrate your expertise in React and your ability to develop and maintain large, complex systems. The development of your problem-solving skills, your ability to think critically and your ability to stay up-to-date with the latest developments in the field are all key characteristics of a senior engineer. So, if you’re looking to take the next step in your career, mastering these advanced React optimization techniques is a great place to start.

Utilize the power of the Virtual DOM

The Virtual DOM is a powerful tool that React uses to optimize performance by limiting the number of actual DOM updates. By understanding how the Virtual DOM works, you can improve the performance of your app by limiting unnecessary updates and re-renders.

Higher-Order Components Higher-Order Components (HOC)

These allow you to reuse component logic, thus reducing the amount of code you need to write and maintain. This can also improve the performance of your app by avoiding unnecessary re-renders.

Experiment with different rendering techniques

Rendering techniques such as server-side rendering (SSR) and static rendering can improve the performance of your app by reducing the load on the client-side. Consider experimenting with different rendering techniques to find the best solution for your app.

Use a local storage solution

Asim Zaidi

Building AI Hub @Apple | Prev: SSWE @Atlassian | Co-Founder | Shipping products users love | Helping people break into tech @