Free Javascript Developer Job Description and Ad Templates

In order to write a good job description and relevant job posting, you need to correctly state what worries you. Posting a general job description of a web developer when you are looking for an advanced JavaScript web developer will bring in loads of applications from people who specialize in building server-side web services or designers who have little or no JavaScript knowledge.

There is some technology and knowledge that is common to all web development professions. This page will provide you with a sample JavaScript developer job description to help you write the perfect job posting and ensure that you can easily find and hire someone that matches your specific criteria.

This JavaScript developer job description template includes a list of the most important duties and responsibilities of a JavaScript developer. It's customizable and ready to post to job boards. Use it to save time, attract qualified candidates, and hire the best employees.

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Javascript Developer Job Description Templates

  • Junior Javascript Developer
  • Mid Javascript Developer
  • Senior Javascript Developer
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A successful telecommunications service provider is looking for a talented junior software developer to manage high-performance transactional systems, development of new functions and products, as well as support for existing systems. Your main focus will be on basic JS development, however, you will be involved in the development of the entire technology stack (including Front End using JavaScript, HTML and CSS) with an emphasis on end-to-end ownership.

  • As a junior software developer, you will take on a number of responsibilities, including writing clean, maintainable, and efficient code, 
  • writing unit tests, 
  • learning new languages where needed, 
  • developing robust, scalable, and secure features.

With trendy offices in central London, you will join a friendly, technology-driven company where you can develop your Java skills and get support to reach your potential.


  • Proven experience in Java application development
  • Knowledge of front-end technologies such as JavaScript, HTML, CSS and JQuery.
  • Understanding of code tools like Git and GitHub
  • Passionate about developing clean and efficient code
  • Excellent communication skills

{Company X} is looking for a Middle JS web developer to join our team in London to work on an innovative real-time collaboration platform including audio/video calls, geolocation, conferencing and chat.

Skills and qualifications:

  • JS development experience at least 3 years;
  • Knowledge of the best modern web application development practices;
  • Hands-on experience with Vue.js;
  • Excellent knowledge of CSS and HTML;

Big plus, but not required:

  • Knowledge and experience with WebRTC;
  • Understanding of SIP / RTP protocols;
  • Teamwork experience: Agile, Jira, SVN, Git;
  • Experience with unit testing.


  • Work on interesting projects recognized in Europe and the USA;
  • Actively participate in daily project team meetings and brainstorming sessions related to project issues;
  • Provide updates to assess the workload and status of assigned tasks;
  • Collaboration with R&D and support teams;
  • Provide guidance to the team leader for improving procedures, systems and development tools.

We offer:

  • Opportunity to work in a young multinational team of professionals;
  • Paid meals and vacations;
  • Flexible full-time employment from 10:00 am to 7:00 pm with 1 hour lunch break (2:00 pm - 3:00 pm);
  • Work from home up to 40% of the time;
  • English language training;
  • Developmental trainings;
  • Networking courses;
  • Office in the center with good transport links.

We are looking for a passionate JS developer who will be responsible for all front-end platform responsibilities, from developing complex application design to code analysis. JavaScript developer responsibilities include optimizing applications, ensuring UI / UX feasibility, and implementing API designs and architectures.

To become a successful JavaScript developer, you must have an understanding of web markup and JavaScript expertise. Ultimately, a quality JavaScript developer must be able to work in a rapidly changing environment and implement complex design specifications.

Responsibilities of the Senior JavaScript developer:

  • Create robust coding that can be used in the future.
  • Ensuring the feasibility of UI / UX design.
  • Improving the performance of the main front-end website.
  • Changing the design and specifications of complex applications.
  • Analysis of code, requirements, system risks and software reliability.
  • Collaboration with front-end and back-end web developers.

Senior JS developer requirements:

  • Degree in Computer Science, Engineering, MIS, or related fields.
  • Extensive knowledge and understanding of JS.
  • Experience with JavaScript libraries (e.g. ExtJS, Backbone JS, and AngularJS).
  • Knowledge of browser rendering behavior and performance.
  • Experience with front-end tools (like Grunt and Gulp JS.)
  • Good understanding of web markup such as HTML5.

Javascript Developer Job Ad Templates

  • Junior Javascript Developer
  • Mid Javascript Developer
  • Senior Javascript Developer
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On behalf of {Company Name} is looking for an attentive to details and diligent Junior Developer to become a part of an innovative platform which uniquely combines {needed fields} into {project’s plans}.


  • Good knowledge of SQL and queries
  • Knowledge of Javascript
  • Experience in a position of customer-facing in English
  • Technical Ninja - MANDATORY
  • Spoken English is a must

Desired skills (not required, but useful to have):

  • ERP
  • Worked with SOAP - benefit
  • Used to work with API (get / post) - advantage


  • Server integration and database development of a huge e-commerce platform.

What do we offer

  • Create great products using the latest technology;
  • We work with a sharp and success-oriented team;
  • Get experience in one of the hottest technology markets;
  • Competitive compensation and social packages;
  • Comfortable office with modern infrastructure;
  • Flexible working hours;

{Tell why your company needs more human resources}. That's why we need a human brain. In other words, a cool Middle JavaScript Developer!

You will create a cool product for yourself and your customers, namely:

  • Development and development of the {X} system
  • {X} system support
  • Modification and extension of existing functionality.

In short, you will become our Jobs, Gates and Zuckerberg in one person, because thanks to your technical skills you will make our clients’ life easier and more convenient.

You will be a cool Middle JavaScript Developer if you have:

  • From 1 year of experience on JavaScript.
  • Knowledge of architecture and data models.
  • Deep knowledge of JavaScript ES6 +
  • Experience with React.js from 1 year.
  • Experience with Redux, React-router
  • Adaptive layout of HTML and CSS.
  • Knowledge of jQuery.
  • Using the git version control system.
  • The advantage will be the integration of Web Tutor with other systems.
  • The advantage will be working with React.

Turn your success on with us!

Are you looking to be part of an {industry} company that has experienced tremendous growth?

Do you want to work in the world of {industry features} with one of the fastest-growing companies in the world?

If it concerns your career plans, write to us without hesitation!


Our customer is a {who is your client} that {what your client needs}. 


We've decided to {describe your future plans + tell what is the idea of your project}. To keep up with their explosive growth, we are currently looking for a Senior JavaScript developer.


  • More than 5 years of experience in JavaScript programming
  • Proficiency in HTML5 and CSS3
  • Deep knowledge of JavaScript with a deep understanding of JavaScript fundamentals
  • Good knowledge of common design patterns and how they can be applied in JavaScript.
  • Understanding of unit testing methodologies primarily used in JavaScript development.
  • Experience with APIs, integrating third-party APIs, or creating your own if needed.
  • Experience with responsive design and cross-platform scripting for desktop and mobile.
  • A version-controlled tool, especially Git and Github, used in projects with multiple developers.
  • Experience of participating in a code review
  • Communication skills and temperament required to be successful with technical guidance and mentoring from other developers.

Good to have:

  • Experience with video for the web, especially HTML5 video
  • Experience with JavaScript designed to be embedded in third-party web pages.
  • Experience with ad units, terminology and standards such as VAST and VPAID.
  • Experience with modular JavaScript
  • Teamwork experience using Agile development and project management practices.
  • Experience in developing mobile applications and / or OTT devices
  • Experience in managing other developers
  • Knowledge of edge computing technologies and use cases
  • Knowledge of the best data storage and processing practices
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