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
825-1.050 PLN net/day (+VAT)
Contract of employment
12.7-17.1k 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 (825 - 1050 PLN net/day) or contract of employment (12.760 - 17.100 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
500-700 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

Salary

B2B
480-680 PLN net/day (+VAT)
Contract of employment:
7.5-10.8k PLN (gross)

CKSource is a successful software company with more than 14 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 are proud to deliver software solutions to IBM, Microsoft, Oracle, Siemens, Citibank, Disney, NBCUniversal, Accenture, Amazon, Mozilla, Deloitte and hundreds more worldwide-recognized brands.

We're currently looking for a developer to join our backend team responsible for CKEditor Cloud Services.

What we expect you to have:

  • At least 2 years of experience.
  • Knowledge of Node.js.
  • Knowledge of SQL and NoSQL databases.
  • Knowledge of Git.
  • Good command of English (at least B2)

What would be nice to have:

  • Ability to write tests (unit tests, integration tests, E2E tests).
  • Being familiar with TypeScript.
  • Being familiar with Docker.
  • Being familiar with WebSockets.
  • Knowledge of KISS, DRY, SOLID principles.
  • Experience with message queues like RabbitMQ or AWS SQS.
  • Experience with CI/CD.

What we offer:

  • B2B contract (480 - 680 PLN net per day) or employment contract (7.500 - 10.800 PLN gross).
  • Working with a fantastic team of developers who are nice people after hours, too.
  • Stable, reasonable and flexible working conditions - you decide the starting hours and can take a break during the day if needed.
  • A great company where we cooperate, communicate openly, care for, and respect one another.
  • We highly value our employees’ development, providing challenging tasks and independent decision-making (choice of solutions, technology, tasks, etc.).
  • Additional days off and budget for self-development (up to 5 days and 6.000 PLN a year depending on the company tenure).
  • Private healthcare package of choice (either Enel Med or Medicover).
  • MultiSport card.
  • English lessons.
  • Friendly office with a relaxed atmosphere during and after hours.
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
680-860 PLN net/day (+VAT)
Contract of employment:
10.8-14.1k PLN (gross)

CKSource is a successful software company with more than 14 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 are proud to deliver software solutions to IBM, Microsoft, Oracle, Siemens, Citibank, Disney, NBCUniversal, Accenture, Amazon, Mozilla, Deloitte and hundreds more worldwide-recognized brands.

We're currently looking for a developer to join our backend team responsible for CKEditor Cloud Services.

What we expect you to have:

  • At least 4 years of experience.
  • Knowledge of Node.js.
  • Knowledge of SQL and NoSQL databases.
  • Experience with message queues like RabbitMQ or AWS SQS.
  • Interest in software design patterns and architecture.
  • Knowledge of KISS, DRY, SOLID principles.
  • Ability to write tests (unit tests, integration tests, E2E tests).
  • Good command of English (at least B2).

What would be nice to have:

  • Experience with microservices.
  • Experience with AWS and Terraform.
  • Experience with CI/CD.
  • Being familiar with TypeScript.
  • Being familiar with Docker.
  • Being familiar with WebSockets.

What we offer:

  • B2B contract (680 - 860 PLN net per day) or employment contract (10.800 - 14.100 PLN gross).
  • Working with a fantastic team of developers who are nice people after hours, too.
  • Stable, reasonable and flexible working conditions - you decide the starting hours and can take a break during the day if needed.
  • A great company where we cooperate, communicate openly, care for, and respect one another.
  • We highly value our employees’ development, providing challenging tasks and independent decision-making (choice of solutions, technology, tasks, etc.).
  • Additional days off and budget for self-development (up to 5 days and 6.000 PLN a year depending on the company tenure).
  • Private healthcare package of choice (either Enel Med or Medicover).
  • MultiSport card.
  • English lessons.
  • Friendly office with a relaxed atmosphere during and after hours.
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
450-700 PLN net/day (+VAT)
Contract of employment:
7-11k PLN (gross)

CKSource is a successful software company with more than 14 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 are proud to deliver software solutions to IBM, Microsoft, Oracle, Siemens, Citibank, Disney, NBCUniversal, Accenture, Amazon, Mozilla, Deloitte and hundreds more worldwide-recognized brands.

We're currently looking for a developer to join the CKEditor team. The successful candidate will work on the HTML to DOCX converter used by CKEditor 4 and 5, and on other CKEditor-related tasks in the future.

What we expect you to have:

  • At least 2 years of experience.
  • Good knowledge of JavaScript (ES6).
  • Ability to work with the DOM in native JavaScript.
  • Experience with Git.
  • Good command of English (at least B2).

What would be nice to have:

  • Ability to write tests (unit tests, integration tests, E2E tests).
  • Knowledge of Node.js.
  • Being familiar with tools and libraries such as Webpack, Babel, Karma, ESLint, GitHub.
  • Knowledge of KISS, DRY, SOLID principles.

What we offer:

  • Working with an interesting service used by both CKEditor 4 and CKEditor 5, and the ability to get to know the editors from the inside.
  • Working with Open Source projects that have been used by millions of people worldwide for over a dozen years.
  • Working with a fantastic team of developers who are nice people after hours, too.
  • Stable, reasonable and flexible working conditions - you decide the starting hours and can take a break during the day if needed.
  • A great company where we cooperate, communicate openly, care for, and respect one another.
  • We highly value our employees’ development, providing challenging tasks and mentoring by senior team members.
  • Additional days off and budget for self-development (up to 5 days and 6.000 PLN a year depending on the company tenure).
  • Independent decision-making - as you gain experience, you will have more influence on the choice of solutions, technology, tasks, etc.
  • B2B contract (450 - 700 PLN net per day) or employment contract (7.000 - 11.000 PLN gross).
  • Private healthcare package of choice (either Enel Med or Medicover).
  • MultiSport card.
  • Friendly office with a relaxed atmosphere during and after hours.
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

oracle
microsoft
ibm
amazon
siemens
volvo
thomson
disney
citi
drupal
mozilla
unicef
accenture
tata
deloitte

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