JOINTHECKEDITORTEAM!

Develop an Open Source project used by millions of users around the world!

Apply now!

Strong focus on excellent code quality:

Time for tests, refactoring, reducing technical debt

100% code coverage, detailed code reviews, CI

Extensive documentation

Unique company culture:

Friendly environment, where everyone helps each other

Real influence on what you/we do and how

Flexible working hours & possibility to work from home

A place to realize your potential and develop your skills:

Get more and more challenging tasks once you feel ready for it

Write in modern vanilla JS and take responsibility for the architecture

Solve complex puzzles & push web browsers to their limits

Current openings:

Salary

B2B
750-950 PLN net/day (+VAT)
Agreement
11.6-15k PLN (gross)

Relocation package included

We are looking for talented people to join our team. If:

  • You feel like taking up the challenge of working on an application used by millions of users.
  • The thought that your actions as a developer will be public (Open Source project) and your code will be seen and used by thousands by other developers thrills you. :-)
  • You can create complex applications in pure JavaScript.
  • Despite the knowledge that you already have, you feel there is always more to learn.
  • Instead of using ready-made frameworks (like Angular, React, Vue.js) you would like to be a part of a team creating a framework used worldwide (including companies like Microsoft and IBM).
  • Your strong qualities are inquisitiveness, intelligence, commitment, diligence, and ability to communicate in a group
  • You understand that applications are made not only of code but also tests and documentation, and that applications without happy users are not complete.
  • You have good command of written English (writing code + documentation, participating in discussions on GitHub).
  • You are looking for a job that will allow you to settle for longer.

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 individual predispositions / social needs ;-) We have a place for both a person who would like to become a specialist and gain experience in programming, as well as for a person who in the future would like to coordinate the work of others and undertake tasks related to business parts of projects / products.
  • A great atmosphere in the company - we collaborate, care for and respect each other. :-)
  • Agreement B2B (750 - 950 PLN net/day) or contract of employment (11.600 - 15.000 PLN gross).
  • Private medical care (Enel Med or Medicover).
  • Multisport card.
  • Additional days off and financial resources for personal development (up to 5 days and 6.000 PLN yearly, depending on the work experience).
  • Relocation package for candicates who will decide to move to Warsaw from other cities (we will cover the cost of your flat during the first 9 months and help you with logistics, such as flat finding, transportation).
By clicking the "Apply now" button you hereby authorize CKSource sp. z.o.o. sp.k. to process your personal data provided in the application documents for realising the recruitment process pursuant to the Personal Data Protection Act of 10 May 2018 (Journal of Laws 2018, item 1000) and in agreement with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation). The above consent is voluntary, you have the right to withdraw your consent at any time. The administrator of your personal data is CKSource Sp. z o.o. Sp.k. based in Warsaw, ul. Słomińskiego 15. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
Apply now

Salary

B2B
500-900 PLN net/day (+VAT)
Agreement
8.5-14.3k PLN (gross)

We are looking for talented people to join our team. If:

  • You are good at solving tasks that require a lot of thinking, analysing complex cases, and understanding algorithms, and you find resolving issues enjoyable and satisfying.
  • The technology of https://en.wikipedia.org/wiki/Operational_transformation, even if you are not familiar with it yet, sounds like something that you can and want to learn.
  • You will be able to work easily with materials such as - http://www.codecommit.com/blog/java/understanding-and-applying-operational-transformation, http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.100.74&rep=rep1&type=pdf
  • The day you will spend time thinking about solving a complicated problem and will not write a single line of code will not be a lost day for you.
  • You feel like taking up the challenge of working on an application used by millions of users.
  • The thought that your actions as a developer will be public (Open Source project) and your code will be seen and used by thousands by other developers thrills you. :-)
  • Despite the knowledge that you already have, you feel there is always more to learn.
  • Instead of using ready-made frameworks (like Angular, React, Vue.js) you would like to be a part of a team creating a framework used worldwide (including companies like Microsoft and IBM).
  • Your strong qualities are - analytical thinking, inquisitiveness, intelligence, commitment, diligence, and ability to communicate in a group.
  • You understand that applications are made not only of code but also tests and documentation, and that applications without happy users are not complete.
  • You have good command of written English (writing code + documentation, participating in discussions on GitHub).
  • You are looking for a job that will allow you to settle for longer.

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 individual predispositions / social needs ;-) We have a place for both a person who would like to become a specialist and gain experience in programming, as well as for a person who in the future would like to coordinate the work of others and undertake tasks related to business parts of projects / products.
  • A great atmosphere in the company - we collaborate, care for and respect each other. :-)
  • Agreement B2B (500 - 900 PLN net/day) or contract of employment (8.500 - 14.300 PLN gross).
  • Private medical care (Enel Med or Medicover).
  • Multisport card.
  • Additional days off and financial resources for personal development (up to 5 days and 6.000 PLN yearly, depending on the work experience).
By clicking the "Apply now" button you hereby authorize CKSource sp. z.o.o. sp.k. to process your personal data provided in the application documents for realising the recruitment process pursuant to the Personal Data Protection Act of 10 May 2018 (Journal of Laws 2018, item 1000) and in agreement with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation). The above consent is voluntary, you have the right to withdraw your consent at any time. The administrator of your personal data is CKSource Sp. z o.o. Sp.k. based in Warsaw, ul. Słomińskiego 15. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
Apply now

Salary

B2B
500-700 PLN net/day (+VAT)
Agreement
8-11.2k PLN (gross)

We are looking for talented people to join our team. If:

  • You feel like taking up the challenge of working on an application used by millions of users.
  • The thought that your actions as a developer will be public (Open Source project) and your code will be seen and used by thousands by other developers thrills you. :-)
  • You can create complex applications in pure JavaScript.
  • Despite the knowledge that you already have, you feel there is always more to learn.
  • Instead of using ready-made frameworks (like Angular, React, Vue.js) you would like to be a part of a team creating a framework used worldwide (including companies like Microsoft and IBM).
  • Your strong qualities are inquisitiveness, intelligence, commitment, diligence, and ability to communicate in a group
  • You understand that applications are made not only of code but also tests and documentation, and that applications without happy users are not complete.
  • You have good command of written English (writing code + documentation, participating in discussions on GitHub).
  • You are looking for a job that will allow you to settle for longer.

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 individual predispositions / social needs ;-) We have a place for both a person who would like to become a specialist and gain experience in programming, as well as for a person who in the future would like to coordinate the work of others and undertake tasks related to business parts of projects / products.
  • A great atmosphere in the company - we collaborate, care for and respect each other. :-)
  • Agreement B2B (500 - 700 PLN net/day) or contract of employment (8.000 - 11.200 PLN gross).
  • Private medical care (Enel Med or Medicover).
  • Multisport card.
  • Additional days off and financial resources for personal development (up to 5 days and 6.000 PLN yearly, depending on the work experience).
By clicking the "Apply now" button you hereby authorize CKSource sp. z.o.o. sp.k. to process your personal data provided in the application documents for realising the recruitment process pursuant to the Personal Data Protection Act of 10 May 2018 (Journal of Laws 2018, item 1000) and in agreement with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation). The above consent is voluntary, you have the right to withdraw your consent at any time. The administrator of your personal data is CKSource Sp. z o.o. Sp.k. based in Warsaw, ul. Słomińskiego 15. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
Apply now

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Trusted and approved by

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