Hire the best JavaScript Developers available in the UK right now!

YunoJuno is the leading marketplace for elite freelance JavaScript developers. Leading agencies, startups and businesses choose us to provide quality freelancers to help them with their JavaScript projects.

Why hire an experienced freelance JavaScript Developer?

A key benefit of hiring a freelance JavaScript developer is the wealth of experience they command across JavaScript. They are experts in creating full-featured web applications including front-end features such as drop-down forms and interactive tables, or back-end expertise to serve HTML templates from a Node.JS server. When working with a freelancer, you not only have direct access to working closely with them, you have the benefit of the developer having more flexibility to work evenings and weekends to help achieve last-minute deadlines, to get the job done.

What does a freelance JavaScript Developer do?

A JavaScript developer is responsible for implementing the front end logic that defines the behaviour of visual elements of a web application. They also connect this with the services that reside on the back end. Helping implement visual elements and their behaviours with user interaction, helping to define how the application looks and functions.

Some of their responsibilities include but aren’t limited to:

  • Develop new user-facing features
  • Build reusable code and libraries for future use
  • Ensure the technical feasibility of UI/UX designs
  • Optimise applications for maximum speed and scalability
  • Assure that all user input is validated before submitting to back-end services
  • Collaborate with other team members and stakeholders

A JavaScript developer can work on projects as small as carousels, image galleries, fluctuating layouts, and responses to button clicks to more complex projects such as animated 2D and 3D graphics, games, and a lot more.


How to hire a JavaScript Developer on YunoJuno


Create a JavaScript Developer brief

Answer a few simple questions on the type of JavaScript developer you're looking for.

Select your freelancer

YunoJuno presents you with a selection of the best javaScript developers that match your brief. Speak directly with favourites and view all relevant information to select the perfect expert for your project.

Hire the best JavaScript Developers available in the UK right now!

Get the job done!

Your chosen freelancer starts on your project. 98% of all YunoJuno bookings have a positive rating from both freelancers and hirers.

We take care of timesheets, payments and compliance.

All your bookings, conversations and transactions are stored centrally on your dashboard.

Hear from our freelancers

Since day one, YunoJuno has been a curated marketplace of the very best freelancers. We know the importance of hiring the right person for a project in order to deliver the best results. Our freelancers are not only experts in their fields, they understand the value their choice in being a freelancer brings to a project.

Freelancing allows me to select the projects where I can really shine, and shape my career how I want it

Juan Martinez - Freelance Senior Developer

When only the best will do.

When your project needs to be on-time and on-budget, the one thing you can't compromise on is quality.
Let us show you why the most innovative companies choose YunoJuno.


Frequently asked questions when hiring for JavaScript Developers

What is JavaScript?
When should I hire a JavaScript Developer?
What skills should you look for in a JavaScript Developer?
Why choose a YunoJuno JavaScript Developer?
Used by 7,000 of the world's most innovative companies
BBC logo
Farfetch logo
Brewdog logo
Netflix logo
Depop logo
Wonderbly logo
Deliveroo logo
Google logo
Marvel logo
TransferWise logo

Create your own pool of favourite JavaScript Developers

Our platform supports the entire engagement lifecycle, from finding the perfect JaveScript developer for your brief, through transparent and direct communication (no intermediary!), to contract and time management, billing, and analytics.

It’s easy to get started

Every first brief gets immediate support from our Talent Team.
Put us to the test!

YunoJuno - The World's Leading Marketplace for premium freelancers.