Help us create powerful rich text editing tools

We are working on an Open source application used by millions of users. We are creators of CKEditor, a powerful, modern, and user-friendly rich text editor with real-time collaboration features.

Current openings

  • 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 800 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).
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    Contract of EmploymentB2B

    Salary

    B2B:(net fv)

    11 000 - 17 000 PLN

    Contact of Employment:(gross)

    equivalent of B2B

    Skills

    JavaScriptHTML5CSSTDD
    Apply now
  • 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.

    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;
    • agreement B2B (up to 1200 PLN net/day) or equivalent on the contract of employment;
    • quarterly and annual financial bonus depending on the company's performance;npm start
    • 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).
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    Contract of EmploymentB2B

    Salary

    B2B:(net fv)

    18 000 - 25 000 PLN

    Contact of Employment:(gross)

    equivalent of B2B

    Skills

    JavaScriptHTML5CSSTDDReactEnglish
    Apply now
  • About us:

    • 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 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 1200 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).
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    Contract of EmploymentB2B

    Salary

    B2B:(net fv)

    18 000 - 25 000 PLN

    Contact of Employment:(gross)

    equivalent of B2B

    Skills

    Team LeadershipCommunication SkillsJavaScript
    Apply now
  • About us:

    • 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 1200 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).
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    Contract of EmploymentB2B

    Salary

    B2B:(net fv)

    18 000 - 25 000 PLN

    Contact of Employment:(gross)

    equivalent of B2B

    Skills

    JavaScriptCSSHTML5Team Leadership
    Apply now
  • 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.
    We are currently looking for a Senior Node.js Developer to join our backend team responsible for CKEditor Cloud Services.

    CKEditor Cloud Services s a largely real-time backend project aiming to aid and expand the capabilities of the CKEditor 5 and CKEditor 4 software projects with new features. Its main functionality is collaboration - enabling several people to work together editing a document. On the technical side, it comprises from several dozens of Node.js microservices (TypeScript and we are introducing DDD), using MySQL (AWS RDS), Redis (AWS ElastiCache), queue systems (AWS SQS), Consul or ZeroMQ, run from AWS ECS, while the infrastructure is created with Terraform (and others).

    What we expect you to have:

    • at least 6 years of experience;
    • experience with leading and coaching other Developers;
    • strong analytical skills and critical thinking, pragmatism, leadership, and communication skills;
    • knowledge of SQL and NoSQL databases;
    • experience with message queues like RabbitMQ or AWS SQS;
    • focus on code quality and best practices;
    • 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;

    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 1143 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 Poznań office (no dress code, no open space).
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    Contract of EmploymentB2B

    Salary

    B2B:(net fv)

    17 000 - 24 000 PLN

    Contact of Employment:(gross)

    equivalent of B2B

    Skills

    JavaScriptNode.jsSQLGitTypeScriptRedisMicroservicesAWSDockerLeadershipCommunication skills
    Apply now
  • CKSource is a successful software company with more than 15 years of experience in rich text editing. 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, Siemens, Citibank, Disney, NBCUniversal, Accenture, Deloitte, and hundreds of more worldwide-recognized brands. To learn more check out our websites: ckeditor.com and cksource.com.

    Currently, we are looking for a Digital Marketing Specialist who would be responsible for overseeing the website and have a passion for constantly improving its usability and business performance.

    Your profile:

    • min. 3-5 years of experience in digital marketing with a focus on website ownership, preferably in a software industry;
    • native Polish, good written and spoken English;
    • experience with a website redesign as a product owner, project manager, content creator, UX designer or website manager;
    • strong UX skills;
    • business mindset, constantly thinking how to improve conversion;
    • creativity and a sense of visual taste;
    • good command of Google Analytics;
    • experience with Hotjar or other behaviour analytics tools;
    • basic SEO knowledge;
    • basic HTML skills;
    • good time management and deadline-oriented approach;
    • ability to learn fast about highly technical topics;
    • ability to communicate effectively and work in a team.

    Your role:

    • own the whole company website, identify weaknesses and introduce improvements, always with the lead-generation goal in mind;
    • own the part of the website dedicated to technical documentation;
    • ensure overall quality of the website (information structure, texts, graphics);
    • participate in the project of website redesign;
    • work with graphic designers, content writers and developers;
    • understand the product and the target audience and be able to translate this knowledge into a great performing website;
    • think holistically and strategically about the development of the website while also having a great attention to detail;
    • follow the latest website trends in B2B/software industries.

    In return we offer:

    • a friendly workplace with a flat structure, driven by holacracy practice;
    • flexible working hours;
    • B2B agreement 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.
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    Contract of EmploymentB2B

    Skills

    HTMLSEOUX SkillsGoogle AnalyticsNative PolishEnglish
    Apply now
  • CKSource is a successful software company with more than 15 years of experience in rich text editing. 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, Siemens, Citibank, Disney, NBCUniversal, Accenture, Deloitte, and hundreds of more worldwide-recognized brands. To learn more check out our websites: ckeditor.com and cksource.com.

    Currently, we are looking for a Digital Marketing Specialist who would be responsible for overseeing the website and have a passion for constantly improving its usability and business performance.

    Your profile:

    • min. 3-5 years of experience in digital marketing with a focus on website ownership, preferably in a software industry;
    • native Polish, good written and spoken English;
    • experience with a website redesign as a product owner, project coordinator, content creator, UX designer or website manager;
    • strong UX skills;
    • business mindset, constantly thinking how to improve conversion;
    • creativity and a sense of visual taste;
    • good command of Google Analytics;
    • experience with Hotjar or other behaviour analytics tools;
    • basic SEO knowledge;
    • basic HTML skills;
    • good time management and deadline-oriented approach;
    • ability to learn fast about highly technical topics;
    • ability to communicate effectively and work in a team.

    Your role:

    • own the whole company website, identify weaknesses and introduce improvements, always with the lead-generation goal in mind;
    • own the part of the website dedicated to technical documentation;
    • ensure overall quality of the website (information structure, texts, graphics);
    • participate in the project of website redesign;
    • work with graphic designers, content writers and developers;
    • understand the product and the target audience and be able to translate this knowledge into a great performing website;
    • think holistically and strategically about the development of the website while also having a great attention to detail;
    • follow the latest website trends in B2B/software industries.

    In return we offer:

    • a friendly workplace with a flat structure, driven by holacracy practice;
    • flexible working hours;
    • B2B agreement 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.
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    ContractorB2B

    Skills

    UX SkillsNative PolishEnglishSEO KnowledgeBasic HTML
    Apply now
  • CKSource is a successful software company with more than 15 years of experience. 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, Siemens, Citibank, Disney, NBCUniversal, Accenture, Deloitte, and hundreds more worldwide-recognized brands.

    We're currently looking for a person to join our Finance Team in the role of Head of Finance.

    Your responsibilities:

    • planning, directing, and coordinating all accounting operational functions;
    • managing the accumulation and consolidation of all financial data necessary for an accurate accounting of consolidated business results;
    • coordinating and preparing internal and external financial statements;
    • managing annual audits;
    • assessing current accounting operations, offering recommendations for improvement and implementing new processes,
    • developing and monitoring business performance metrics;
    • providing key operational reports for all departments;
    • acting as a business partner to all departments and senior leaders;
    • overseeing regulatory reporting, frequently including tax planning and compliance;
    • hiring, training, and retaining skilled accounting staff.

    Requirements:

    • 5+ years experience as a senior-level accounting or Finance Manager;
    • 8 years proven accounting experience;
    • understanding of recurring revenue models;
    • experience with ERP and financial systems;
    • experience in managing annual audits;
    • experience in working with software companies;
    • working knowledge of (GAAP);
    • good command of English (at least B2);
    • bachelor’s degree in business, accounting, or related field;
    • professional accounting certification.

    In return we offer:

    • a friendly workplace with flexible working hours;
    • tasks tailored to your predispositions;
    • contract of employment or agreement B2B;
    • 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, mobile phone, and accessories;
    • English lessons;
    • private medical care (Enel Med or Medicover);
    • Multisport card;
    • great location near the Klif shopping centre (no dress code, no open space, chill room with foosball and ping pong table).
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsaw

    Employment type

    Contract of EmploymentB2B

    Skills

    EnglishLeadership skillsAccountigERPGAAP
    Apply now
  • CKSource is a successful software company with more than 15 years of experience in rich text editing. 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, Siemens, Citibank, Disney, NBCUniversal, Accenture, Deloitte, and hundreds of more worldwide-recognized brands. To learn more check out our websites: ckeditor.com and cksource.com.

    Currently, we are looking for a Website Owner who would be responsible for overseeing the website and have a passion for constantly improving its usability and business performance.

    Your profile:

    • min. 3-5 years of experience in digital marketing with a focus on website ownership, preferably in a software industry;
    • native Polish, good written and spoken English;
    • experience with a website redesign as a product owner, project coordinator, content creator, UX designer or website manager;
    • strong UX skills;
    • business mindset, constantly thinking how to improve conversion;
    • creativity and a sense of visual taste;
    • good command of Google Analytics;
    • experience with Hotjar or other behaviour analytics tools;
    • basic SEO knowledge;
    • basic HTML skills;
    • good time management and deadline-oriented approach;
    • ability to learn fast about highly technical topics;
    • ability to communicate effectively and work in a team.

    Your role:

    • own the whole company website, identify weaknesses and introduce improvements, always with the lead-generation goal in mind;
    • own the part of the website dedicated to technical documentation;
    • ensure overall quality of the website (information structure, texts, graphics);
    • participate in the project of website redesign;
    • work with graphic designers, content writers and developers;
    • understand the product and the target audience and be able to translate this knowledge into a great performing website;
    • think holistically and strategically about the development of the website while also having a great attention to detail;
    • follow the latest website trends in B2B/software industries.

    In return we offer:

    • a friendly workplace with a flat structure, driven by holacracy practice;
    • flexible working hours;
    • B2B agreement 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.
    Apply now

    Contact person

    Natalia Stachowicz - Senior Technical RecruiterNatalia Stachowiczn.stachowicz@cksource.com

    Location

    RemoteWarsawPoznań

    Employment type

    ContractorB2B

    Skills

    HTMLSEOUX skillsGoogle AnalyticsNative PolishEnglish
    Apply now

Currently, we don't have any new job openings from this category but still you can contact with us.

Benefits

  • Contribution to Open Source
  • Full remote work
  • A quarterly and annual financial bonus
  • Additional days off and financial resources for personal development
  • Unique, collaborative work environment
  • Private healthcare
  • Fitness reimbursement
  • Quarterly sport challenges

Want to join us?

Contact

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