Senior JavaScript Developer

Development · Remote, warsaw
Department Development
Employment Type Employment
Minimum Experience Experienced

CKSource is a successful software company with more than 15 years on the market. There’s a good chance you’ve used one of our products or at least read online content created with our rich text editing component - CKEditor. We have complex products that call for experienced developers. Openness, mutual respect and trust allowed us to build a great team.

As a Senior JavaScript Developer, you will be responsible for designing and implementing medium to large-sized editor features or improvements using our modern framework. Examples include advanced content tagging plugin, find & replace feature, unique interface components. Tech stack: ES2019, GitHub, ESLint, Chai.js, Mocha, Travis CI, ZenHub, Slack.


  • you feel like taking up the challenge of working on an application used by millions of users;
  • you have at least 4 years of experience working in JavaScript ecosystem (most preferably pure JavaScript and React);
  • you have the experience and strong core skills with JavaScript (ES6), Node.js, HTML, CSS;
  • you can create complex applications in pure JavaScript;
  • despite the knowledge that you already have, you feel there is always more to learn;
  • you are focused on quality, tests, simple solutions, and clean code;
  • you have a good command of English (at least B2);

… then we are looking for you :) 

In return we offer:

  • a great atmosphere in a team of talented developers who are nice people, too :)
  • flexible working hours - you start at the time that suits you. If you need to go out somewhere - no problem;
  • tasks tailored to your predispositions;
  • agreement B2B (up to 1050  PLN net/day) or equivalent on the contract of employment;
  • quarterly and annual financial bonus depending on the company's performance;
  • additional days off and financial resources for personal development (up to 5 days and 6.000 PLN yearly, depending on the work experience);
  • all necessary equipment such as laptop, additional monitor and accessories;
  • English lessons;
  • private medical care (Enel Med or Medicover);
  • Multisport card;
  • you can work 100%  remotely or from our Warsaw office (no dress code, no open space, chill room with foosball and ping pong table).

Thank You

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  • Location
    Remote, warsaw
  • Department
  • Employment Type
  • Minimum Experience