Today, 66% of developers worldwide use JavaScript for software development. In fact, JavaScript has gained so much traction that it has become the most sought-after programming language, and tech recruiters are competing to bring JavaScript developers on board.
In this article, we will focus on JavaScript coder responsibilities, skills, ways to find candidates, and their rates. By the end, you’ll have a clear roadmap for how to hire JavaScript developers who fit your team.
* Percentages exceed 100% because developers can work with several technologies and fields
Now, let’s proceed with step one and find out the primary responsibilities of professional JavaScript developers and their skill sets.
Before writing a job description, decide which type of JavaScript developer fits the work. Front-end developers build the interface users interact with, mostly in the browser with frameworks like React, Vue, Angular, and Svelte. Back-end developers use JavaScript on the server through Node.js and tools like Express to run APIs and handle data. Full-stack developers cover both sides and work well on smaller teams where one person owns a feature from the interface down to the database.
Getting this right early saves you from interviewing the wrong people. A content-heavy site leans front-end, while an API-heavy product leans back-end. An early product often needs a full-stack generalist who can cover both.
JavaScript developers are responsible for creating an interactive front end and ensuring high performance, whether the app runs on the web, on desktop, or on mobile. JavaScript engineers can build and execute tests for units, services, components, and more. They can also access external APIs and data sources to gain information about third-party services.
In a nutshell, JavaScript developers have the following responsibilities:
When hiring JavaScript developers, you can preselect people with the following list of technical competencies:
First of all, hire JavaScript experts with proven experience in this programming language and ES6+. They must know JavaScript basics, like functions, variables, data types, objects, control structures, and prototypes. On top of JavaScript itself, prioritize TypeScript: its static typing catches bugs before they reach production, and it now shows up in many JavaScript job listings.
On top of that, find developers who have in-depth knowledge of JavaScript libraries and frameworks. Whether you’re looking for front-end or back-end expertise, you may choose some of these technologies to focus on:
Since this ecosystem is constantly being updated and extended, a JavaScript developer would be familiar with the new versions.
Next, hire JavaScript developers who know Document Object Model (DOM) manipulation. This expertise allows coders to interact with HTML elements, modify their properties, and update user interfaces.
It is recommended to hire JavaScript programmers who are familiar with databases like MySQL, PostgreSQL, MongoDB, and SQLite. It will help your team handle data storage and retrieval efficiently.
AI coding assistants like GitHub Copilot and Claude Code have also become a normal part of many developers’ workflows. It helps to hire people who use them to move faster while still reviewing and understanding the code they deliver.
Below is a table of JavaScript developer tech skills that you should test:
Language & typing
JavaScript (ES6+), TypeScript
Front-end development
React, Vue.js, Angular, Svelte, Solid, Qwik, Preact, Alpine.js, Lit, Stencil
Backend development
Node.js, Express.js, Nest.js, Fastify, Strapi, Koa.js, Hapi
AI-assisted tooling
GitHub Copilot, Claude Code, Cursor
Rendering frameworks
Next.js, Nuxt, Remix, Astro, Eleventy, SvelteKit, Docusaurus
Libraries
Lodash, RxJS, Zod, Immer
Database integration
MySQL, PostgreSQL, MongoDB, SQLite, Apache Cassandra
Version control
Git, GitHub, Bitbucket
Testing and debugging
Jest, Mocha, Jasmine, Vitest, Cypress, Puppeteer
Performance optimization
Webpack, Babel, Lighthouse
API integration
RESTful APIs, GraphQL
Build tools
Vite, esbuild, Webpack, tsc CLI
Cloud services
AWS, GCP, Azure
Containerization
Docker, Kubernetes
Besides technical skills, every developer must possess a certain set of soft skills to ensure smooth collaboration. Hire JavaScript developers who have an eye for detail and can quickly detect possible mistakes. Errors slow down the development process and lead to higher costs.
Also, look for a wordsmith with good communication skills who can convey their message to others and ensure everyone is on the same page. Finally, dedicated programmers are team workers and can cooperate with others, give or receive assignments, and contribute to the project.
Much like any other hiring process, recruiting a JavaScript developer is a challenging task. There is still a scarcity of professional software developers in contrast to a much higher demand.
On top of that, software developers are expensive and ask for an inflated paycheck, together with benefits and incentives. Besides that, hiring managers and recruiters often lack the basic technical education to evaluate a candidate’s knowledge and expertise. Finally, the hiring process is quite long and costly.
To overcome these issues, let’s find out the best options to find a JavaScript programmer with its pros and cons.
Given the willingness of the IT world to share knowledge and know-how, there are many online communities for software developers. Although they mostly exist for developers, hiring managers also have access to such websites and can look for candidates.
StackOverflow is one of the most famous online IT communities where users can share knowledge and ask questions, with the option to message each other directly. Being a community with almost 23 million users, it opens a large talent pool for many businesses. Since it rewards helpful answers and suspends untactful behavior, users can be sure to find some of the best answers here.
GitHub is another popular online community for software developers to exchange knowledge and share their code. It is less focused on direct communication and more on seeking collaboration and sharing the latest trends.
All in all, online communities are a good place to hire JavaScript developers. On the other hand, you will have to contact and evaluate the candidates yourself, which is a lengthy and costly process.
There are numerous tech events that take place around the globe. People in the IT industry get together to discuss the latest trends and exchange knowledge. More and more conferences are going online, which makes them more accessible for everyone. When you participate in such events, you expand your professional circle, increase your knowledge base, and potentially meet the right people to hire JavaScript developers.
JSConf is a conference that invites many speakers to converse and share their expertise about JavaScript and its ecosystem.
React Summit is another annual in-person and remote-first JavaScript-related conference that brings developers together to discuss the latest trends in this technology.
Unfortunately, even though some tech events are held online, a big portion of them are still hosted offline, which makes it difficult to take part in them. And the virtual events are not very conducive to communication and exchange among the participants.
You can also hire developers online using modern hiring platforms. There are a myriad of marketplaces where you can find potential employees. We will focus on the primary ones, starting with Toptal and Upwork, along with Freelancer for entry-level roles.
Toptal is known for its rigorous vetting process and is one of the go-to platforms for finding senior JavaScript developers. Only 3% of all applicants become a part of their talent pool. Although the harsh screening process demonstrates their portfolio’s excellence, it also drives up the costs. Toptal might be a good choice when you need an exceptional mind to generate new ideas.
Upwork is more inclusive than Toptal and does little to zero vetting. It has an algorithm that only checks whether the profile is complete and relevant. This means that you will have to do the vetting yourself.
Freelancer doesn’t do any screening and lets anyone in. It is a good platform to hire remote JavaScript developers who are just starting their careers, but it is unsuitable for middle or senior-level developers.
Toptal and Upwork are the go-to solutions for finding freelance JavaScript developers. If you would like to learn more about these services, their vetting processes, and pricing, look at the Toptal vs Upwork article.
With 1 billion users worldwide, LinkedIn is the biggest business platform that also offers a job marketplace. Candidates can choose location, type of employment, experience, and other aspects to narrow down their search.
Businesses can post their job ads on LinkedIn, thus reaching out to millions and millions of potential workers. The size of LinkedIn has its downsides: imagine how many companies publish their vacancies on this massive platform. Your posting may get lost within just an hour or two.
Another drawback is a confusing pricing model: you pay by the number of views your ad receives. As a result, you never know how much you will end up paying for a single job ad.
IT staff augmentation is a relatively new approach to recruitment. DOIT Software is a company that specializes in this method and allows you to hire a development team. The main idea is that a company can “borrow” a worker from software development companies, without building an in-house team.
You are not required to conduct interviews and tests since the company will do that for you. You only need to provide a set of requirements for the project, and staffing experts will find developers that fit that profile. This way, you augment your JavaScript team with one or several essential workers who will work for you for the duration of the project or task.
We at DOIT Software have various JavaScript developers ready to work on your next project. We can deliver a full development team to execute your project or augment your existing JavaScript team with one or several specialists.
Contact us for more detailed information and many great insights.
Finding candidates is only the beginning. The next step is to evaluate their expertise and ensure they fit both the technical requirements and your team culture. If you choose to build an in-house team, the evaluation process requires additional preparation and involvement from your team.
Start by reviewing the candidate’s portfolio, which should demonstrate relevant projects and the use of essential technologies. Look for examples of clean, maintainable code. If possible, request code samples or invite candidates to explain their contributions to specific projects.
Next, collaborate with your technical specialists, such as team leads or senior developers, to create a coding task or technical test. This task should mimic the kinds of challenges they will encounter on your project.
Now let’s get more technical and go through a list of questions you could ask during technical interviews with candidates of different levels:
1. Can you explain what variables are and how to declare them in JavaScript?
2. What is the difference between let, const, and var?
3. What is a Javascript callback function? Give an example.
1. Can you explain the concept of closures and provide an example of how you have used them in a project?
2. Explain the CSS box model and write code snippets to illustrate your point.
3. How do you optimize DOM manipulation for performance?
1. Can you explain virtual DOM and its advantages?
2. What are some of the most common performance pitfalls in JavaScript?
3. How do you handle data migrations and schema changes in production databases?
The cost of hiring always depends on the type of employment and the worker’s location. If you hire JavaScript developers to work in-house, you will also pay taxes, office equipment, and so on.
US
$117,737 - $215,648
UK
$65,688 - $90,712
Canada
$63,875 - $92,634
Germany
$50,292 - $78,483
Netherlands
$49,521 - $83,203
Norway
$57,133 - $65,563
Eastern Europe
$19,143 - $49,991
Latin America
$17,689 - $50,498
If you hire a dedicated JavaScript developer to work remotely, you will save much of your budget. In the staff augmentation model, the rates also depend on the developer’s region:
JavaScript is a technology that is constantly being extended and augmented with new features. It will be on the market for years and years, which means that people will continue to learn about this technology. Investing in a qualified JavaScript developer will guarantee you a feature-rich application.
If you have more unanswered questions about how to hire JavaScript developers or if you want to augment your team in the short term, get in touch. Our staffing experts will contact you as soon as possible.
Get a consultation and start building your dream team ASAP.
REQUEST CVSYes, JavaScript is the most-used programming language in the 2025 Stack Overflow Developer Survey, chosen by 66% of developers. Over 40% of recruiters actively look for the skill.
You can find JavaScript developers in the USA for $60-200 per hour. In Western Europe the range is $45-150, in Eastern Europe $45-90, and in LATAM $50-80 per hour.
Look for a solid understanding of JavaScript fundamentals (e.g., ES6+), expertise in frameworks like React or Node.js, experience with DOM manipulation, and familiarity with databases such as MySQL or MongoDB. Strong soft skills, like communication and teamwork, are also important.
The hiring timeline depends on the complexity of your requirements. According to a study by LF Research, companies spend an average of more than 5.5 months to fill a Front-end/Back-end developer position. But using platforms like freelance marketplaces or staffing agencies can significantly speed up the process compared to traditional hiring methods.
