Hire deeply vetted Express.js developers

Developed for building web applications and APIs, Express.js is one of the most widely used back-end web application frameworks for Node.js. It is not just a popular framework, but the demand for Express.js specialists is also rising. But identifying the most valuable developers can be a complicated task, especially without technical hiring experience.

If you are a non-technical manager and interested in learning more about the hiring process of an Express.js developer, we've put up an excellent resource for you. Check out the entire list of mentioned qualities and interview questions to vet applicants before making your final call. Try to hire Express.js developers with at least 2-3 years of experience working on real-time projects and developing scalable solutions.

At a high level, Express.js developers should have the following skills in their arsenal:

One of the primary skillsets to look for when you hire Express.js developers is expertise with web app frameworks. Express.js has emerged as one of the go-to frameworks for most large-scale digital solution providers owing to its unique capabilities. So, when you hire Express.js developers, always look for professionals who are well-versed with various web applications frameworks and their use cases.

A developer must possess a strong understanding of Node.js when it comes to being a valued Express.js developer. Express.js is also known as the de facto standard server framework for Node.js. When scouting developers to join the team, look for thorough professional work experience using Node.js. You can always consider experienced developers with the ability to own and drive software development cycles.

While hiring Express.js developers, it is crucial to test their knowledge of data and security protocols. With the rise in digital infringements and phishing across various platforms, following security protocols and data protection measures have become an integral part of the application development process. Strong knowledge of the latest security protocols and data protection measures is essential for building fail-safe products for consumers.

Another critical criterion to keep in mind while hiring Express.js developers is the knowledge of cloud platforms and service providers. Developing any kind of digital solution requires a hosting service, with the cloud being the primary choice. When interviewing Express.js developers, always remember to ask questions related to cloud solutions. This will help you understand the developer’s level of expertise and where they will fit in your team. When scanning through resumes, look for keywords like AWS, Azure, or related cloud technologies.

While hiring Express.js developers, thorough knowledge of version control should be considered an essential skill. It is a mandatory requirement for the majority of solutions for tracking changes. Helping developers to revert to a stable state enables easy and quick troubleshooting. So, when hiring Express.js developers, try to get an idea about their level of expertise with version control systems.

A key aspect of Express.js developers’ life is working with various tools for developing front-end resources. A good understanding of client-side technologies helps developers create a fluid and engaging user experience. When shortlisting applicants, look for essential front-end skills like JavaScript, HTML, CSS, ReactJS, Vue.js.

Regardless of which technology a professional works with, communication skills are a must-have to find success. Interpersonal skills are vital for one’s career development and help organizations speed up and fine-tune development processes from time to time. Communication skills can effectively drive brainstorming sessions to come up with new solutions for complex problems. So while looking to hire Express.js specialists, especially remote Express.js developers, look for people who are confident enough to participate in discussions.

Identifying talents and securing the services of the right Express.js developers can be a little tricky without prior experience. To simplify the process, working with a hiring funnel can be helpful and make shortlisting applications a lot easier.

When hiring Express.js developers, it is crucial to test their knowledge with the right set of questions. Here’s a list of interview questions you can utilize to vet developers appearing for the interview.

Here are some more Express.js developer interview questions that you can ask to assess a developer’s caliber.

• How would you connect a MongoDB database to Node.js?
• What is the first-class function in JavaScript?
• What is a fork in Node.js?
• What is REPL?
• What do you understand by callback hell?
• How does Node.js overcome the problem of blocking I/O operations?
• What is a thread pool, and which library handles it in Node.js?
• How to measure the duration of async operations?
• Explain the concept of the stub?
• Why should you separate an Express app and server?