Why is the knowledge of System Design essential to aspiring engineers.

We live in a world where everything is dependent on devices that are always connected, around the clock. Our wristwatches, lighting systems, and smart refrigerators are connected to the cloud – and then sync to a mobile app on our phones.

Distributed systems are systems that are built using multiple computer nodes, multiple applications, components: all interconnected by a network. In distributed systems, many components (devices, software and services) work together to process data and communicate with each other in a decentralized way.

System Design?is the art of designing?distributed systems .

System Design is becoming a?non-negotiable skill set?for proficient developers.

All of today’s development roles?rely on distributed systems. So, no matter what type of developer you are, learning System Design will improve the quality of your work. So let’s talk about how you can gain an edge by learning System Design.

Why we need System Design

Virtually?every application?is becoming increasingly dependent on distributed system. As this?trend continues?into the future, we can expect even more applications to interact with distributed systems. With this in mind, a well-informed developer should know about distributed systems.

Today, discipline of System Design has become very essential and important. When you sit down to build a system, most of the components already exist and you have to reuse these components and moreover, cloud has become a key part of your day-to-day life.

Through System Design, we use design patterns, reusable components?(or building blocks) to help us build massive scalable systems.

If you’re a committed developer, you need to understand the workings of the greater system to which you’re contributing.

In an evergreen quote by the late Danny Thorpe, the importance of understanding the greater system is clear:

“Programming without an overall architecture or design in mind is like exploring a cave with only a flashlight: You don’t know where you’ve been, you don’t know where you’re going, and you don’t know quite where you are.” – Danny Thorpe

System Design is the overall architecture for distributed systems. And?not knowing System Design?as a programmer in a?distributed system world is?analogous?to the difference between an?electrician and electrical engineer. As an engineer, you understand the greater system. You know that you have to light up the stadium or dam in contrast to just putting a bulb.

You know how each and every light bulb operates and connects to the lighting scheme. And without this perspective, you’re just an electrician. While you may know your particular tasks and methods well, you lack the vision of the big picture to which you’re contributing.

Why every developer should learn System Design

As a developer, your job will eventually require you to build a distributed system. A combination of various systems that is linked tightly, faultlessly.

For instance, if you’re a?mobile app developer, your application is going to rely on several distributed systems just to get started.

Consider the example of designing TaPTaP by Blackbucks app. If you’re building that system today, you’re probably leveraging several different services at once, including but not limited to:

Zoom to integrate LIVE classes Razorpay to process payments Google Analytics to understand usage Intuit Mailchimp for sending promotional mails

We use dozen other tools for our various purposes. Can you combine all these into a seamless system that communicates between all these systems without human intervention.

Can you build such a system?

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