Build the team of JS developers based on their skills

Time to think big. Creating a project is a complex task. And a good team is half of its success. So far as JavaScript is the most popular programming language nowadays and has a wide range of solutions, including web applications, the server-side infrastructure of products, cross-platform apps, browser games, software for IoT devices, and many others.

How would you choose the right person for your project? Skills and experience would be some of the most important criteria to look for.

Here is a quick overview of each type of JS developer. Shortly we have front-end, back-end, and full-stack developers.

The front-end JS developers are responsible for the implementation of front-end logic (client side of the product). Such a specialist has to understand UX, design and be able to transform mock-ups and wireframes into working interfaces.

A back-end programmer builds the app's database architecture. The developer is responsible for everything that runs on the server. Moreover, such a specialist needs to have a profound knowledge of Node.js, and be able to design APIs, and integrate the front-end with the back-end.

A full-stack JS specialist is a jack-of-all-trades who can develop both the back-end and the front-end of the product. This programmer can create both the architecture for your app and design its user interface, build reusable components, code, test, and implement solutions from scratch to meet business needs.

So, you may have already identified which type of JavaScript programmers for hire your project requires. Now it's time to examine the skill set each category described above should have.

Let's start with front-end developers

From a Junior JS developer, you would probably expect these skills: Any of React/Angular/Vue + State Handler,
HTML + CSS/SCSS

Middle: Everything from the previous category +
Docker, WebSocket, Webpack, Bootstrap, Material UI

Senior: Everything from the previous category + profound knowledge of any JS framework (React/Angular/Vue), Design Patterns

For a back-end developer

Junior skills are: Node.js, SQL

Middle: Everything from the previous category + Express/Hapi/Nest.js, ORM (Sequelize/TypeORM), NoSQL (Redis, MongoDB), Docker, TypeScript, WebSocket

Senior: Everything from the previous category + CI/CD, Cloud Services (Azure/GCP/AWS), GraphQL, Design Patterns

Finally, as a full-stack JS developer

Junior: Node.js, SQL, Core-js, HTML + CSS

Middle: Everything from the previous category + any profound knowledge of any JS framework (React/Angular/Vue) + State Handler, Docker, Webpack

Senior: Mixture of front-end + back-end technologies

The thing that should always be on your mind is that you don't need all your developers to be at a senior level. For example, it is essential for big projects to have junior developers that would take on all simple or routine tasks to help the senior developer. I hope this post is helpful in some way, and as a bigger and more informative JS resource, this is a great article.