Essential Skills for Mid-level Front-end and Mid-level Backend Developers

  1. CSS Preprocessors

A Mid Level developer has a better command of CSS to ensure a smooth layout on each browser. Using CSS Preprocessors, Midlevels generate CSS from the preprocessor’s syntax. Working independently, they take care of the consistency of the website.

  1. JavaScript Transpilers

As we mentioned, every developer needs to be familiar with JavaScript. For a Mid Level, you must expect familiarity with Transpilers. They are source-to-source compilers to code from one language to another. Mainly used by front-end developers, these are the most common transpilers in software development:

CoffeeScript: It is a ruby-like programming language working with the Ruby on Rails framework.
TypeScript: It is a strict syntactical superset of JavaScript promoted by Microsoft.
3. NoSQL

NoSQL (Not-only-SQL) is a database to store, distribute and access data. Leaders such as Facebook, Google, and Amazon created this technology to store and manage their data. Your Mid Level developers must have a command of this scalable database management system. Storing and managing data ib your database highly impact your customers’ experience and site functionality. Your developer can manage your data and improve the efficiency of your site features.

Read more: How to Screen and Hire a MongoDB developer

  1. Databases, Servers, and APIs

Mid Levels working with back-end technologies must be familiar with the latest server technology like Nginx, Apache, IIS. In addition, you can expect a good command with Linux to run databases and improve server performance. Finally, a command of web services and application program interfaces (APIs) is necessary. Mid Levels must know tools like Representational State Transfer (REST) and Simple Object Access Protocol (SOAP) to ensure the maintenance of the application.

  1. UI Design and UX Design

A Mid Level front-end developer must know UI and UX design. For this level of expertise, you can expect your developer to create new features to make your web interfaces more interactive for your users. Working with other team members, this role can provide solutions to bottlenecks and collaborate with other departments to improve the interface.