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Full-stack developer roles are among the hottest careers in the tech space now. These talented folks can develop a whole product from scratch.
A full-stack developer is a combination of a Front-end developer and a Back-end developer. These two in themselves are full-time jobs and most people make careers out of one of them. So, we will start with the Front-end roadmap and then go to the Back-end roadmap.
Also, don't forget to check out the 5 reasons to become a Full Stack Developer article while we're talking about FSD learning path
Industries where full stack developers are relevant
The demand for Full stack developers is the highest in early-stage startups, where they want to create a Minimum Viable Product at the earliest to showcase to the investors. It is also a nice skill to have in addition to frontend technologies or backend technologies alone since an employer prefers people with both skills.
What to learn & where to learn
There are a lot of technologies to learn to be a Full-Stack developer. We will discuss about them in the coming sections.
Know more about microservices interview questions.
A full-stack developer is actually a combination of Front-end developer and Back-end developer. We need to master both, and both have different Roadmaps. Let’s start with the basics.
We are also required to know about DevOps, which is a practice of harmonizing development and operations whereby the entire pipeline from development, testing, deployment, continuous integration, and feedback is automated. The knowledge of either AWS or Azure-based cloud ecosystem is required, and also CI/CD like Jenkins and containerizing & orchestrating applications using Docker and Kubernetes. If you are looking to advance your career and earn a higher salary, you may want to consider enrolling in a Full Stack Developer pay after placement program. These programs provide training and job placement assistance, with the added benefit of not having to pay tuition until after you secure a job.
CSS is what makes a website or web-app beautiful, and is often considered the hardest part by a developer. Earlier, CSS was very confusing and had a steep learning curve, because of the use of floats to create a layout. Developers usually used to work with CSS frameworks like bootstrap to design a site. But things have changed a lot with the invention of CSS Grid and Flexbox.
Some of the best resources to learn the basics are -
The basics of Linux can be learned from their official site: Linux Foundation
Next, learning version control is very important because we should always keep our code in some remote repository like Github. The industry works on Git, which is version control software. It is completely command-based and is used heavily everywhere. Learn the basic commands which will be useful even for an individual developer. Later on, when working with teams, more advanced knowledge of the git command is required.
Through the git commands, we store our code in repositories. The most popular ones are Github and Bit Bucket, so we need to learn how to store and link them.
The basics of git can be learned from this awesome tutorial: Git Tutorial
The npm script is nothing but the package.json file which comes with React projects or is created in a Node.js project using npm init.
Module bundlers also do the same thing, building it at the time of application build rather than at the runtime. Popular examples are Webpack and Rollup.
The basic tutorials which can be referred are:
Testing nowadays is very important in any type of project. There are two types of testing; one is known as Unit testing and other as end-to-end testing. For unit testing we write test cases and the most popular tool nowadays is Jest.
End-to-end testing is automated testing, which emulates the whole app. Suppose, an app has a login screen and then it shows posts. The testing tool will run the web app to check whether all the functionalities are done correctly. The two most popular options today are Puppeteer and Cypress. The tutorials to refer for these topics are:
State Management: In React state management can sometimes become complex, when we need to share data between components. We generally take the help of external packages in it with the most popular being Redux. But we also have other state management libraries like XState and Recoil.
Server-side rendering: With performance becoming important nowadays, Server-Side Rendering speeds up the React projects even faster. In SSR projects, the React code is rendered on the server and the client browser directly receives the HTML, CSS, JS bundle. The only framework to do it is NextJS.
Static Site Generators: A lot of sites don’t need to be updated frequently and it is the place where the only Static Site Generator for ReactJS, which is GatsbyJS shines. With the help of GatsbyJS we can create extremely fast static sites and it gets into Wordpress domain a lot with it. GatsbyJS also has a huge ecosystem of plugins, which enhances its functionalities.
React Testing: Unit testing is a very important part of ReactJS projects, especially the ones which are very large. Unit testing ensures that we have lower bugs in the Production build. The two popular libraries are – Enzyme and Jest.
It is a complete framework and unlike React requires very few external dependencies. Everything is built within Angular and we don’t have to go outside for more features. Since it was among the earliest frameworks, older projects are in Angular and it is still widely used in enterprises. A good tutorial to learn Angular is here - Angular
It is used for Server-Side Rendering in Vue projects and is similar to the NextJS framework used in ReactJS for SSR.
It is the newest of all frameworks/libraries and has become quite popular, but still not used much in enterprises and startups. It is different from React, Vue, and Angular and converts the app at build time rather than at run time as in the other three. Good tutorials to start with Svelte are below-
A lot has changed in CSS after it included CSS Grid and Flexbox; it has become much easier for developers to work with.
It is now mandatory for frontend developers to learn CSS Grid and Flexbox, because through it we can develop beautiful layouts with ease. More companies are moving away from CSS Frameworks and have started working with CSS Grid and Flexbox, which are now supported by all browsers. Good tutorials to learn Flexbox and CSS Grid are below-
CSS preprocessors are used to add special functionalities in CSS, which it lacks. An example is Sass, which adds special features like variables and nested rules in CSS and is widely used in the industry for larger projects.
The other popular one is PostCSS, in which we can use custom plugin and tools in CSS.
Frameworks were very popular from the early days of CSS, when it was very complicated because of floats.
Continuous Integration/ Continuous deployment is mainly used by DevOps. But a frontend engineer should know its basics. It is used to build, test and deploy applications automatically.
It is again a task that mainly falls into the domain of Backend engineers and DevOps, but a frontend engineer should know some basic and simple tools.
The projects containing node code cannot be deployed using static deployment. Even if the project is a simple ReactJS project, it also uses node for processing. These applications require services which run the Node code and deploy it. The three most popular services are Vercel, Firebase and Netlify.
Backend is the part of the website that provides the functionality, allowing people to browse their favorite site, purchase a product and log into their account, for instance. All data related to a user or a product or anything else are generally stored in databases or CMS (Content Management System) and when a user visits any website, they are retrieved from there and shown.
One of the responsibilities of a backend engineer involves writing APIs, which actually interact with the database and get the data. They are also involved in writing schemas of databases and creating the structure of databases.
For a backend engineer, working in a Linux environment is an essential skill. A lot of the configurations are done on the terminal. So, he or she should be very good with Linux commands.
Also, they should know both commands and the use of any git powered platforms like Github or bitbucket.
All of the popular languages have some framework, which has been used for backend development. These frameworks are generally used to create API endpoints, which are used to fetch or store data in the database. For example, when we scroll articles on Facebook, these articles are fetched from a database and we use the GET method to fetch them. Similarly, when we write an article and hit submit, it uses POST method.
Now, different frameworks implement this GET, POST, and other APIs also referred to as RESTful APIs in their own way.
Java is by far the oldest and the most used language for backend development. It is also used for a variety of other tasks like Android development, but it shines in the backend because of its multithreading abilities. So, enterprise-grade web apps and web apps with a lot of traffic prefer Java, because it handles loads better.
The most popular frameworks for backend development in Java are Spring Framework and Hibernate.
Python is one of the most popular languages among developers and has been used in a variety of fields. The two most popular frameworks for Python are Flask and Django. Some good beginner tutorials are - Flask Tutorial
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