Help us create powerful rich text editing tools

Current openings

  • Location

    Warsaw, Poland or Remote

    Employment type

    Full Time

    Salary

    B2Bup to 24k PLN(+VAT)

    Skills

    Experience
    English

    Do you want to learn more about what we do and how we do it?

    Read the interview: Freedom in IT. What are the advantages of working on your own product? (article in Polish)

    We are 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 5.

    We work on our own software products and services connected to CKEditor 5, we are focused on quality and well-designed code.

    We have a complicated product that calls for experienced developers. Openness, mutual respect and trust allowed us to build a great 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 of other developers thrills you.
    • You want to grow as a Team Leader, while still not leaving the programing behind.
    • You feel confident in leading and coaching other Developers.
    • 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 have a good command of English (at least B2).

    … then we are probably 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 individual predispositions.
    • A great atmosphere in the company - we collaborate, care for and respect each other.
    • Agreement B2B (up to 24 000 PLN net/month) or equivalent on the contract of employment.
    • 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 candidates 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. Okopowa 58/72. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
    Apply now
  • Location

    Warsaw, Poland or Remote

    Employment type

    Full Time

    Salary

    B2Bup to 1143 PLN net/day(+VAT)

    Contract of employmentequivalent of B2B(gross)

    Skills

    Experience
    English

    Do you want to learn more about what we do and how we do it?

    Read the interview: Freedom in IT. What are the advantages of working on your own product? (article in Polish)

    • We are a successful software company with more than 15 years on the market.
    • There is a good chance you have used one of our products or at least read online content created with our rich text editing component - CKEditor 5.
    • We work on our own software products and services connected to CKEditor 5 and we are focused on quality and well-designed code.
    • We have a complicated product that calls for experienced developers. Openness, mutual respect, and trust allowed us to build a great team.

    If:

    • you feel like taking up the challenge of working on an Open Source application used by millions of users;
    • you have at least 3 years of experience in JavaScript (vanilla or frameworks);
    • you have at least 1 year of experience in leading a team;
    • you want to grow as a Team Lead, while still not leaving the programming behind;
    • you feel confident in leading and coaching other Developers;
    • your strong qualities are leadership skills, proactiveness, critical thinking, defining priorities, and openness to giving and receiving feedback;
    • you have a good command of English (at least B2);

    … then we are probably looking for you :)

    You will be responsible for:

    • building effective teams by helping them to (self) organize and prioritize tasks;
    • supporting the team, by improving the processes and practices and helping the team members to solve their problems;
    • supporting other engineers’ growth;
    • enabling delivery;
    • promoting the culture of ownership, responsibility, and cooperation;
    • cooperating with other leaders;
    • being involved in the development and code review process;
    • ensuring the well-being of team members.

    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 during the day - no problem;
    • tasks tailored to your predispositions;
    • B2B agreement (up to 1143 PLN net/day) or equivalent with a contract of employment;
    • a 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).
    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. Okopowa 58/72. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
    Apply now
  • Location

    Warsaw, Poland or Remote

    Employment type

    Full Time

    Salary

    B2Bup to 1143 PLN net/day(+VAT)

    Contract of employmentequivalent of B2B(gross)

    Skills

    Experience
    English

    Do you want to learn more about what we do and how we do it?

    Read the interview: Freedom in IT. What are the advantages of working on your own product? (article in Polish)

    • We are a successful software company with more than 15 years on the market.
    • We are proud to deliver software solutions to IBM, Microsoft, Siemens, Citibank, Disney, NBCUniversal, Accenture, Amazon, Mozilla, Deloitte, and hundreds of more worldwide-recognized brands.
    • There is a good chance you have used one of our products or at least read online content created with our rich text editing component - CKEditor 5.
    • We work on our own software products and services connected to CKEditor 5 and we are focused on quality and well-designed code.
    • We have a complicated product that calls for experienced developers. Openness, mutual respect, and trust allowed us to build a great 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 (an Open Source project) and your code will be seen and used by thousands of other developers thrills you;
    • you feel confident in leading and coaching other Developers;
    • you have strong JavaScript, HTML, CSS skills;
    • you have at least 6 years’ work experience as a developer and at least 3 years in JavaScript;
    • you are familiar with the design patterns and pay attention to code quality and best practices;
    • your strong qualities are analytical and critical thinking, pragmatism, leadership, and communication skills;
    • you have a good command of English (at least B2);

    … then we are probably looking for you :)

    You will be a part of our technology leadership team and have an impact on our technology and product strategy. You will be responsible for:

    • collaborating with the team in designing new functionalities and making key technical and architectural decisions;
    • helping team in prioritizing tasks, identifying and mitigating issues and risks;
    • code reviewing and mentoring other team members;
    • providing technical leadership and guidance - lead by example;
    • remaining fully hands-on when it comes to development and take over smaller topics or tough cases if necessary;
    • setting up high standards in architecture, code, and documentation quality;
    • building a knowledge-sharing culture within the team;
    • collaborating with other leaders on defining the direction of project development as well as long-term goals and needs.

    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 during the day - no problem;
    • tasks tailored to your predispositions;
    • B2B agreement (up to 1143 PLN net/day) or equivalent with a contract of employment;
    • a 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).
    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. Okopowa 58/72. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
    Apply now
  • Location

    Warsaw, Poland

    Employment type

    Full Time

    Salary

    B2Bup to 1050 PLN net/day(+VAT)

    Contract of employmentup to 17.1k PLN(gross)

    Skills

    JavaScript
    English

    Do you want to learn more about what we do and how we do it?

    Read the interview: Freedom in IT. What are the advantages of working on your own product? (article in Polish)

    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 a complex product that calls for experienced developers. Openness, mutual respect, and trust allowed us to build a great team.

    You will be a part of Easy Drive project - a file manager with the ambition of becoming a Digital Asset Management solution at one point. The goal is to completely replace CKFinder (a self-hosted file manager that was launched in 2007) and Easy Image (our cloud solution for hosting images). The main task will be to build a new product from scratch using the latest technologies. You will influence the architecture and design of the product.

    If You:

    • feel like taking up the challenge of working on an application used by millions of users;
    • have at least 3 years of experience in a similar position;
    • have the experience and strong core skills with JavaScript (ES6), React, Node.js, HTML, CSS;
    • have a good understanding of Redux and state management;
    • are focused on quality, tests, simple solutions, and clean code;
    • have a good command of English (at least B2);

    … then we are probably looking for you :)

    You will be responsible for:

    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;
    • B2B agreement (up to 1050 PLN net/day) or equivalent on the contract of employment;
    • a 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).
    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. Okopowa 58/72. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
    Apply now
  • Location

    Warsaw, Poland or Remote

    Employment type

    Full Time

    Salary

    B2Bup to 700 PLN net/day(+VAT)

    Contract of employmentequivalent of B2B(gross)

    Skills

    JavaScript
    English

    About us:

    • We are a successful software company with more than 15 years on the market.

    • There is a good chance you have used one of our products or at least read online content created with our rich text editing component CKEditor 5.

    • We work on our own software products and services connected to CKEditor 5 and we are focused on quality and well-designed code.

    • Openness, mutual respect, and trust allowed us to build a great team.

    We are currently looking for a JavaScript Developer to join our team responsible for CKEditor 5 customer solutions.

    You will be responsible for creating medium to large-sized editor features or improvements using our modern framework. Examples include advanced content tagging plugin, find & replace feature, unique interface components. Whenever needed you'll be supported by our senior developers and the results of your work will be verified by our experienced QA team.

    Tech stack: ES2019, GitHub, ESLint, Chai.js, Mocha, Travis CI, ZenHub, Slack.

    If:

    • you feel like taking up the challenge of working on an application used by millions of users;
    • you have over a year of experience working in JavaScript ecosystem;
    • you have experience with JavaScript (ES6)/Node.js, HTML, CSS
    • 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 700 PLN net/day) or equivalent on the contract of employment;
    • a 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;
    • 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 Fussball and ping pong table).
    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. Okopowa 58/72. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
    Apply now
  • Location

    Warsaw, Poland

    Employment type

    Full Time

    Salary

    B2Bup to 1050 PLN net/day(+VAT)

    Contract of employmentup to 17.1k PLN(gross)

    Skills

    JavaScript
    English

    Do you want to learn more about what we do and how we do it?

    Read the interview: Freedom in IT. What are the advantages of working on your own product? (article in Polish)

    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.

    You can choose from the following projects:

    • CKEditor 5 customer solutions - you'll 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. Tech stack: ES2019, GitHub, ESLint, Chai.js, Mocha, Travis CI, ZenHub, Slack.
    • Easy Drive - a file manager with the ambition of becoming a Digital Asset Management solution at one point. The goal is to completely replace CKFinder, a self-hosted file manager that was launched in 2007 and Easy Image (our cloud solution). The main task will be to build a new product from scratch using the latest technologies. You will influence the architecture and design of the product. Tech stack: React, Redux, Jest, Enzyme, ESLint, git, GitHub, Github Actions, Slack.
    • Export to Word - a conversion library written in Node.js used for transforming HTML into .docx files. Since the project is relatively young you will have an influence on new features, architecture and tooling. This is a base for our existing products - CKEditor 5 Export to Word plugin and Export to Word API. Tech stack: Node.js (v12, ES6), Puppeteer, jsdom, Babel, Chai.js, Mocha, Sinon.JS, ESLint, python, git, GitHub, CircleCI, Slack.

    If:

    • 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;
    • quarterly and annual financial bonus depending on the company's performance;npm start
    • agreement B2B (up to 1050  PLN net/day) or equivalent on the contract of employment;
    • 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. Okopowa 58/72. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
    Apply now
  • Location

    Warsaw, Poland

    Employment type

    Full Time

    Skills

    English

    CKSource is a successful software company, on the market for more than 15 years. There’s a good chance you’ve either unknowingly used one of our products or visited a site that created content using our rich text editing component - CKEditor. Our current customers include companies such as IBM, Siemens, Citibank, Disney, Microsoft, Amazon, NBCUniversal, Accenture, and hundreds more worldwide recognized brands. To learn more check out our websites: ckeditor.com and cksource.com .

    Currently, we are looking for a talented Graphic Designer who would empower our marketing team. Do you like sharing your ideas and you are open to feedback from others? Would you like to have an influence on the further development of an international software brand? If you answered “Yes!” twice, read on.

    The ideal candidate will have

    • Min. 3-5 years experience in designing for online needs (websites, landing pages etc.)
    • Very good knowledge of tools such as Sketch, Adobe Photoshop and Adobe InDesign;
    • Good spoken and written English;
    • Ability to communicate effectively and work in a team;
    • Patience in handling requests from other team members;
    • Time management skills and deadline-oriented approach;
    • High attention to detail.

    Your role:

    • Design sites and landing pages;
    • Create digital assets for use in social media, blog posts, emails, banners and presentations;
    • Edit and finetune screencast videos to be used for marketing purposes;
    • Create print assets for use in catalogs, flyers, rollups, and exhibition stands at conferences;
    • Be responsible for maintaining brand consistency across platforms.

    Nice to have:

    • Print experience and knowledge of DTP;
    • Video editing skills;
    • Interest in UI/UX.

    In return we offer:

    • Contract of employment or B2B contract;
    • Friendly work atmosphere and flexible working hours;
    • Possibility to work remotely;
    • Ability to constantly develop your interest in web technologies;
    • Great level of independence in your new role;
    • Multisport card and private medical care (Enel-Med or Medicover);
    • Fresh fruit, coffee, creative rooms and table football in the office;
    • Great location at Warsaw Klif Tower;
    • Additional days and budget for development (up to 5 days/year and PLN 6000/year based on employee’s seniority).

    Please send your CV and portfolio.

    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. Okopowa 58/72. Your data will be processed only for the purposes of the recruitment process. After the recruitment process your data will be deleted.
    Apply now
  • Location

    Warsaw, Poland

    Employment type

    Full Time

    Salary

    B2Bup to 450 PLN net/day(+VAT)

    Contract of employment4-7.5k PLN(gross)

    Do you want to learn more about what we do and how we do it?

    Read the interview: Freedom in IT. What are the advantages of working on your own product? (article in Polish)

    About us:

    • We are a successful software company with more than 15 years on the market.
    • There is a good chance you have used one of our products or at least read online content created with our rich text editing component - CKEditor 5.
    • We work on our own software products and services connected to CKEditor 5 and we are focused on quality and well-designed code.
    • Openness, mutual respect, and trust allowed us to build a great team.

    We're currently looking for a Junior Developer to join the CKEditor 5 team.

    What we expect you to have:

    • Knowledge of JavaScript (ES5, ES6).
    • Knowledge of HTML, CSS.
    • Knowledge of Node.JS
    • Analytical, self-motivation, and problem-solving skills.
    • Good command of English (at least B2).

    What would be nice to have:

    • Experience in a similar position.
    • Experience with Git.
    • Being familiar with tools and libraries such as GitHub, Webpack, Babel, Karma, ESLint, AWS.
    • Basic knowledge of Bash.
    • Ability to write tests (unit tests, integration tests, E2E tests).

    Responsibilities:

    • Working on workflow and internal tools improvements (e.g. GitHub automation, release process).
    • Developing and maintaining our infrastructure (CI, E2E tests platform, documentation generator).
    • Working on bug fixes.
    • Participating in the testing phase before each release.
    • Participating in planning future work.

    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 445 PLN net/day) or equivalent on the contract of employment;
    • a 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).
    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. Okopowa 58/72. 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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