Vervoe

How To Hire a JavaScript Developer

IT & Software

Complete with job descriptions, skill profiles, and interview templates. Use this JavaScript Developer hiring guide to help you make the right decisions, fast.

What does a JavaScript Developer do?

JavaScript Developers are very experienced and knowledgeable with the JavaScript programming languages and a fundamental knowledge or speciality in the various frameworks that are on offer. Through this combination of experience and knowledge they’re able to design and implement pieces of software that connect back-end programming with front end elements like databases.

Day to day tasks of a JavaScript Developer

  • Stakeholder management
  • Analyse requirements for software
  • Create software designs
  • Implement the software designs using JavaScript
  • Debugging code
  • Liaising with fellow developers
  • Documentation of code
Recruitment guide role overview illustration

A JavaScript Developer takes the responsibility in a web development ecosystem for all the front-end logic which controls how a user would interact with different visual elements using various JavaScript libraries.

Role definition illustration

JavaScript Developer Hiring Process

Build the Ideal Candidate Profile​

To find the best person for the role, you need to understand what the role involves. You can complete this with the hiring manager to define the role, its contribution, and the skills needed.

Write A Job Description Based On Skills

Once you understand the requirements for the role, you’ll need to understand the skills for success. You can then write an effective job description to promote your role.

Selecting The Ideal Candidate

See which applicants have the right skills for the role. Send all your applicants a Vervoe skills assessment from the expert library, or customize one for your organization.

Interview Top Performers

Your skills assessment results will identify top performers. Focus your time on interviewing those that have met or exceeded your requirements. Assessment results will also help guide which skill areas to focus on in the interview.

Making An Offer

Once you assess your candidates against these skills, you’re ready to offer the top performer(s). You should base your offer on the value that the candidate would bring to your team and your business as a whole. It is also important to ensure your compensation and benefits packages are competitive in the industry and help you attract and retain the top talent.

Skills needed for a JavaScript Developer

The skills needed for a JavaScript Developer to be proficient at their role is a fundamental and consistently updated knowledge of JavaScript and what is happening in the industry with the different libraries. They will also need to know HTML and CSS as they have elements that will be affected by them. Finally, they will need to be good at testing so they can find and remove bugs before they go into production.

  • Code
  • JavaScript
  • Communication

How to write a JavaScript Developer job description

Once you’ve determined the skills required for the role, you can write the job description to advertise for your position. Here’s what to include in your JavaScript Developer job description:

Job Title
What position are you hiring for?
Summary
What makes your company unique? What would it be like to work for you?
Responsibilities
An overview of the role’s day-to-day activities, and how the position contributes to the organization
Requirements
Skills a candidate must have to perform the job successfully
Benefits
Details of compensation, benefits, and any perks on offer
Use our sample JavaScript Developer job description
Job description checklist illustration

Sample skill tests for a JavaScript Developer

Create a free account today to access the full assessment and more from our library

Question 1

JavaScript

Question Type: Code

You're given a variable with the following string in the code section below, please write a piece of code which would output to console the position the string 'sham' is in the string below.

Question 2

Communication

Question Type: Video

Your non-technical colleague asks you what a "prompt box" is. Record a short audio explaining a prompt box.

Question 3

Code

Question Type: Multiple Choice

What will be printed to console from this snippet of code?

How to interview a JavaScript Developer

Once your Vervoe skills assessment has surfaced the most qualified people for your open role, you can focus on interviewing these candidates. The interview should focus on any skills that require development that were highlighted from the skills assessment.

Now you know that candidates can do the job, the interview becomes more of a relationship building exercise where you can get to know the candidate on a more personal level, understand their motivations, and how they would fit in with the team.

How much does it cost to hire a JavaScript Developer?

JavaScript Developers in the USA have reported salaries of around $107,529 according to ZipRecruiter and $108,766 according to Glassdoor USA. Talent.com reports the salary for a Golang developer for the high end to be $145,000 and the low end to be $88,622.

United States

In the United States a JavaScript Developer can be expected to receive a yearly salary of approximately $107,484 USD. This figure will be impacted by a number of factors such as, the location of the organization and the seniority of the role, such as being a tech lead.

Source: Source: Talent.com - JavaScript Developer Salaries

United Kingdom

JavaScript Developers in the United Kingdom have a reported yearly wage of £49,768. There are a handful of factors which need to be taken into consideration when this number is offered to candidates, for example, the industry of the organisation and the type of work that the role entails.

Source: Source: Glassdoor UK - JavaScript Developer Salaries

Australia

Australia has a median salary of $108,766 AUD for JavaScript Developer. This figure will change based on many different elements when a salary is made for employees, for instance, the performance of the individual, certifications and industry of the organisation.

Source: Source: Glassdoor AU - JavaScript Developer Salaries