JavaScript Developer


Manchester, UK
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We are looking for a front-end JavaScript developer who gets excited about creating elegant, scalable, robust and maintainable solutions to complex problems. You’ll be developing on good kit alongside a friendly team at our Manchester HQ and around the UK who share the same qualities. Our large customer base is growing quickly and so this is a great opportunity to work with highly scalable systems.


  • Work closely with designers and other developers to take a design from the whiteboard to reality
  • Rapidly iterate on product features
  • Implement robust, secure, efficient and maintainable code for our applications
  • Embed test cases for the application logic
  • Correct bugs and other technical issues in our existing applications to keep * technical debt to a minimum
  • Stay up-to-date with application development trends and look for opportunities to take advantage of these in our applications and development processes


  • BSc or higher in Computer Science or equivalent experience
  • Strong in JavaScript
  • Experience using a front-end JavaScript framework like Ember, Angular, React, Backbone or similar
  • Understand that resolving issues is just as important as building new features
  • Hands-on, passionate and persistent
  • Comfortable in a small, high-growth start-up environment

For bonus points

  • Experience with large scale web applications
  • Solid understanding of the full web technology stack (e.g. HTTP protocol, status codes, cookies, headers, asset loading / caching)
  • Great designer instincts and pretty handy with CSS, SASS
  • TypeScript experience
  • Git mastery
  • Familiarity with Unix/Linux

Working with us

  • Small and friendly world-class team
  • Ship changes almost every day
  • Highly competitive salaries
  • Flexible working hours
  • Work from our office in Manchester, UK
  • 25 days paid annual leave in addition to the stat holidays
  • The best kit for the job (which usually means lots of Apple gear)
  • Monthly eBook allowance with a Kindle
  • Conference allowance
About Capsule

Capsule was launched in 2009 following the founders' frustration with existing CRM services that were either overly simplistic or far too complex for most businesses. We believe the value of a modern CRM lies in the ability to help businesses stay organized, know more about their customers, build strong relationships and to make the most of sales opportunities, all while minimizing user input. We built Capsule to deliver on these values and today Capsule is used by thousands of businesses of all sizes all over the world.

We're based in Manchester, United Kingdom, a city with a creative heart that was founded on science and industry and the birthplace of the modern computer.

Work environment

We’re based in Manchester's vibrant Northern Quarter district in a renovated Victorian textile warehouse with grade Ⅱ listed charm and character. We have a casual dress policy and open plan working space to enable a creative, collaborative and relaxed environment.

Everyone has the option to work from home one day a week and we offer flexible working hours to help our team establish a good work-life balance.

Do what you love

Creating a beautiful user experience with elegant functionality that scales to hundreds of thousands of users requires skills across multiple disciplines. If you're passionate about your work and keen to collaborate with like-minded talented individuals then you'll fit right in.

You'll be happy to know that you'll be spending your time doing more of what you love rather than wasting time in unnecessary meetings or bureaucratic processes.

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