“Our company needs a full-stack developer” – you can easily found this phrase on job search websites. You saw it too, right? And you wondered thus – what kind of job is this? Why is it so popular? In fact, it’s rather simple. It is advantageous for companies to have a versatile employee in staff. Indeed, full-stack developer represents an ideal of such an employee.

In coaching, there is a concept of the T-model of professional knowledge: when a person has extensive knowledge in the field, but at the same time – a narrow specialization in one certain area. An ideal full-stack developer embodies this model. The backbone of his work is built on two fundamental elements – a good knowledge of FrontEnd and BackEnd.

Can’t get nowhere without FrontEnd

The front end is working with what an ordinary person sees on the screen of his laptop or smartphone when he visits the website. Everything from the template to the location of the text is the task of the front-end developer. He must have a lot of experience in HTML and CSS, a good knowledge of writing scripts and Javascript. The main task of the front-end is to create a platform for communicating with visitors and receiving information. This means that some also have to study the basics of design and graphic editors to create graphics and personalize templates.

Why knowing BackEnd is so important

When it comes to back-end development, what’s the first thing in your mind? We’d say creating and editing data. This type of IT specialist learns PHP, Ruby and Python scripting languages. With their help, it creates algorithms and builds data logic to set up the correct work of the application or website in response to the request received from the user. This means that the back-end developer must be able to write code to receive information and store it, as in the database. The expert really refers to the creation of databases – mostly relational (PostgreSQL and MySQL) and sometimes – non-relational (Mongo). He used SQL language to do this. Understanding server management helps the developer to solve problems with slow download and make adjustments to attract more users to the website.

What else a full-stack developer should be capable of?

Yes, that’s not all. It will be wrong to say that full-stack developer has to know only two disciplines. In fact, this specialist knows much more. For example:

Management of server and network environments. Includes an understanding of what is currently broken. How you should use the file system, cloud storage, network resources, etc? How to consider hardware limitations? This is that part of technology you never see in everyday life, but it’s very important. Full stack developers use DevOps for such purposes. When the system crashes and sends error messages, DevOps sees it faster than you, making it easier and helping to fix the situation.

Data modeling. If the data model is damaged, there will be needed very strange codes to compensate the problem. Full-stack specialists know how to create a balanced model.

Client-oriented interface. Full stack developers know how to: a) create a readable template, or b) contact designers for help.

User Experience. Full stack developers appreciate that the user simply wants efficiently functioning website. They notice when the work takes 8 clicks, and try to reduce it to 1 click. They know how to write intelligible error messages so that even an average person doesn’t feel stupid. Developers learn to understand what business and customers need.

Why learning Full Stack is a great idea for you

And now there is one question. If you can specialize in one thing, why you should learn so much other staff at all?

Let’s return to the T-model. If you have a wide knowledge of both components, FrontEnd and BackEnd, and you can be a kind of “bridge” between them, at the same time you have an idea of ​​how the system and its processes work, how to eliminate errors and how to make the system understandable, you will always be advantageous to other developers. Any company will want to have one employee with full-stack knowledge, rather than three specialists in different fields.

Have you decided to study full-stack? You will be in priority in any team, because you will become a kind of polyglot programmer, a network master. And that’s exactly what an employer need.

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