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Dimitri Grady
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Devan Lesch
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Arno Lowe
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How to Hire a Great Node.js Developer

Because since creation in 1995, the Javascript programming language has undergone several changes. From "vanilla" Javascript, it has developed into a variety of platforms, runtimes, libraries, and frameworks.

Ten years ago, if someone identified themselves as a Javascript coder, it was probable that they were a front-end coder. However, Ryan Dahl unveiled Node.js in May 2009, a Javascript execution environment that can run programs outside of browsers. During the first five years, hiring managers would inquire about how to find Node.js programmers.

Node.js has taken the lead as the most used Javascript tool in the back-end development industry. How do we discover a quality Node.js programmer is a more pertinent topic for hiring managers now than ever due to the significant increase in the number of engineers. Let's get started with the application procedure and work out the specifics.

Steps to Hire Node.js Developers for Web Development

Although hiring procedures differ between businesses, there are some general components that all hiring procedures share.
The programmer recruiting process often consists of two fundamental steps: an examination of soft skills, typically conducted by a recruiter, and an evaluation of technical abilities, typically conducted by a professional, usually tech-savvy, interviewer.

Soft Skills Review

The purpose of this phase is to learn more about the personality of the candidate and evaluate their collaboration, critical reasoning, and communication skills. It's an opportunity to learn more about some more position-related characteristics. The interviewer would typically: at this phase:

  • Find out whether the applicant and the firm share similar values: if they are a strong team player, goal-oriented, and/or suit the project's criteria and goals. The simplest but most crucial phase in the examination of soft skills is this one.
  • As you discuss the company's perks and benefits, inquire about the candidate's wage expectations.
  • The recruiter also confirms any advanced or leadership skills needed for the post.

Businesses may use extremely simple questions to pre-filter candidates' technical or domain expertise. In order to speed up the recruiting process, this will prevent candidates who exhibit more glaring knowledge gaps from having to go through the more thorough technical skills screening.
And no need to continue to evaluate technical abilities because the recruiter may identify individuals who don't suit the project tasks based on the employable evaluation.

Technical Skills Review

The applicant gets to showcase their knowledge and experience in web development after passing the soft skills portion. Senior or higher-level engineers, such as tech leaders, solution architects, etc., typically conduct these interviews.

Employers could be searching for varied degrees of competence, from beginner to experienced Node.js developers or even team leads, depending on the work complexity and project role. Since there are no set guidelines on how to differentiate between developer levels, that has always been difficult to do; it makes sense that they differ among workgroups. Also because languages are similar, most front-end developers are also familiar with the fundamentals of Node.js. Furthermore, you shouldn't have to have much Node.js knowledge to begin with a basic HTTP server, construct a simple script, or utilize Node.js in certain third-party libraries.

However, throughout the years, several standards for leveling up programmers have developed. In the following part, we'll examine crucial elements of hiring outstanding Node.js programmers with an emphasis on middle/senior level experts.

Node.js Development: What an Experienced Node.js Developer Should Know

Whether a business requires a senior Node.js developer on a part-time or full-time basis, it typically indicates that the task has a complicated system or that it needs help designing a solid and expandable structure. Most of these situations call for in-depth skill and knowledge in the subject matter. The following items can be regarded as "must-haves" for any programmer of this type.

The Node.js Platform, In-depth

Skilled Node.js programmers ought to have in-depth understanding of how Node.js functions internally, as well as its main principles and cutting-edge built-in tools, exceeding, for instance, the conventional Node.js web server.

The Google V8 engine, the single-threaded approach, and the event loop must all be understood by programmers as the foundational elements of the platform. Technicians must also be mindful that Node.js is a processor that performs Javascript code outside of the browser, not a platform, as is sometimes believed.

Furthermore, experienced Node.js programmers ought to be familiar with built-in components. Although it is not required to be completely knowledgeable about each one, they must be able to explain its purpose, use cases, and the circumstances under which it is appropriate to employ particular ones. The modules that are used the most frequently are listed in the table beneath.

Developers utilize a large number of built-in tools and APIs in their projects, and having familiarity with several of them creates a solid basis for being able to choose the best tool for the task.

Last, but not least, programmers need to constantly monitor Node.js releases since there may be significant upgrades, people and groups of people, and modifications that might have an impact on their applications. It's beneficial for programmers to maintain their Node.js versions current on their tasks since new Node.js versions may have technological skills or APIs.

Maintaining long-term support (LTS) versions while working is an indication that a developer is aware of Node.js's release process and is running production apps. There are three statuses for each major Node.js release: active, service, and present.
Remaining six months in the current release status then afterwards, the even-numbered version joins the active LTS era for the following 18 months, while the odd-numbered version is no longer supported. The even-numbered version joins the maintenance period for an additional year after the LTS term has ended.

Therefore, 30 months after its release of an even-numbered Node.js version, programmers can be confident that they will get steady support.

Knowing the Node.js release schedule tremendously aids programmers in choosing which Node.js version utilizes but when it is appropriate to upgrade. The safety and ease of maintenance of Node.js apps are subsequently impacted by this.

Databases

Currently, it's quite unusual to find server-side work that doesn't need data storage in a database—especially with a Node.js server. It might be a simple key-value store like Redis, a real-time database similar to Firebase, or a more capable and complex database system such as the document-oriented MongoDB or one of the SQL family members the same as Microsoft SQL Server, PostgreSQL, or MySQL.
Although inexperienced Node.js developers utilize databases in their job, experienced Node.js engineers ought to be familiar with a few of them and therefore should be able to tell them apart.

Senior engineers should also be:
  • Familiarity with different database families and knowledge of the distinctions between relational and non-relational databases They ought to be able to select the option that best serves the goals of a project.
  • Possible to set up relationships between documents or tables and a database structure.
  • Able to leverage a database management system's additional features. This would include views, stored procedures, etc. in the SQL family; advanced features in document-oriented ones like MongoDB include aggregate functions and data structuring.
  • Being able to utilize object-relational mapping (ORM) tools from NPM in the appropriate situations, such as Mongoose (for MongoDB), TypeORM, or Sequelize (for SQL-related databases).

Third-party Modules

Coders may utilize a variety of libraries, utilities, assistants, and frameworks in Node.js applications, just like they do with any other platform or language. Numerous open-source dependencies are available in the npm registry and might be useful when developing apps. They ought to be usable by skilled Node.js programmers in the right circumstances.

They must utilize them securely and logically at the very same time. Therefore, the programmer must check to see if there are any native Javascript or Node.js capabilities they can utilize for the same goal prior to introducing a new NPM package to their requirements. If a program is needed, the programmer must check its weaknesses to see if it's secure to use.

DevOps

Because it's a requirement for every enterprise, senior Node.js developers ought to be equipped to handle process development. Dedicated Node.js engineers will be able to collaborate directly with them and step in for them if necessary, although if you already have a DevOps specialist. To really be able to deploy innovative features or bug fixes continually, programmers should be able to establish a variety of environments, including development, staging, and production, as well as CI/CD pipelines.

They must also grasp the distinctions between monolithic systems, containers, and serverless solutions in order to determine the best strategies for a given project.

Knowledge of cloud platforms including Amazon Web Services, Google Cloud Platform, Microsoft Azure, and others is a significant advantage. If a Node.js developer can begin a job from zero and provide a dependable and accessible cloud application, they are highly valued.
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