Senior OO JavaScript Developer


Undisclosed salary
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Job Description

We’re looking for a superstar JavaScript Developer with a passion for building attractive web applications


Your role within our great Kingdom 

If you want to create amazing user experiences and entertainment for millions of players to enjoy then this is the right job for you. You will be part of a highly competent team of frontend developers in the creation of large scale systems, not only delivering high quality and well-structured code but doing so with a user’s point of view.

We know that the continued success of King depends on preserving the amazing culture we have, so ‘fit’ is extremely important. We work in small, collaborative Agile teams where everyone is involved in coming up with great features and ownership of the outcome is key.

We are problem solvers, constantly reviewing how and why we do things and learning from each other. We are experimental, trying out new tech and ideas and willing to take risks to drive the entire industry forward. We are sociable and fun, and we like to hang out together. We are passionate, some might even say quirky, and while we love what we do, our lives are about more than work.
We love games, and are obsessed with creating the best player experience.


Skills to create thrills

  • Expert in testable OO JavaScript, advanced design patterns

  •  You know how to write modular and scalable CSS

  • Experience in building large single page web applications

  • Knowledge of modern frameworks

  • You know the browser really well and know how to write high performance code

  • Eye for detail and design

  • Knowledgeable about web protocols, application servers and web servers

  • Experience with package and dependency managers

  • Able to see a user experience from the user's point of view, and craft UIs to make their lives easier

  • Fluent in English.

Tasty bonus skills

  • AngularJS

  • Have played and enjoyed any of our games.

We’re champions of creativity

We believe that great games are developed by working in small, autonomous creative teams that control the whole process – from idea to amazing game. Our close connection with and instant feedback from the player community, enables us to deliver truly magical moments. We value your free time and your need to refuel, relax and find inspiration – by playing games with your colleagues, being at home with your family or going to the gym or out for a run. That's how we stay creative. That’s why we call ourselves developers of magic and knights of creativity.


Want to join our Kingdom?

If you are interested, please apply!  Applications must be in English.

The brilliant experience we give our players comes from the diversity and experience of our people. A great saga needs all sorts of heroes. That’s why we hire all sorts of talent.


About King


  • Entertainment

  • Privately Held

  •  London, United Kingdom

  • 1001-5000 employees

  • 2003

King is a leading interactive entertainment company for the mobile world, with people all around the world playing one or more of our games.

We have developed more than 200 fun titles, and offer games in over 200 countries and regions. Our franchises include Candy Crush, Farm Heroes, Pet Rescue and Bubble Witch. We have 340 million average monthly unique users, as of second quarter 2015, across web, social and mobile platforms. 

At King, we design games with a broad appeal, which allow people to play for a moment, then move on with their day and pick up their game later. Our games are also synchronized across platforms, allowing players to switch seamlessly between devices and platforms and continue their game wherever they left off, so they can play anywhere, any time and on any device. For us, this is encapsulated in the idea of bitesized entertainment. 

King has game studios in Stockholm, Bucharest, Malmö, London, Barcelona, Berlin, Singapore, and Seattle, along with offices in San Francisco, Malta, Seoul, Tokyo and Shanghai.

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