About us:

  • we are a successful software company with more than 16 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 are looking for a person who will join our QA team to help us to keep the quality of our products at the highest level. Your main duties will be to support and help our customers solve issues related to our products. The perfect candidate would have a mix of soft and technical skills, be open-minded, patient and creative.

You will be responsible for answering technical questions coming from our customers, supporting them during their integration process, answering product questions and proposing the most suitable solutions. We’d like you to become an expert in our products and develop your technical and soft skills.

We guarantee support from our support engineers who will introduce you to projects and help you during your onboarding. We know how important are first days in a new job, so we will make sure that you will have time for learning about our products and how we work :)

Very well

  • providing technical support for our clients (mostly written communication);
  • reporting bug reports and feature requests coming from our customers;
  • sharing ideas with our product team based on customer feedback;
  • communicating with the CKEditor 5 community on GitHub/Stack Overflow;
  • after getting the experience, from time to time, participating in support calls with customers.

You could also be responsible for:

  • QA tasks, e.g. testing our products (CKEditor 5, PDF/Docx converters, Cloud Services, Websites) mainly manually. Gradually, our QA Team can teach you how to write automation scripts. 

  • you need to be an empathic and patient person. It’s important to be able to take another person's point of view :) 
  • a will to expand your knowledge and experience (technical and soft skills);
  • very good English skills (B2-C1) - all our communication is held in English;
  • basic JavaScript knowledge (experience with some frameworks will be a plus);
  • solid HTML and CSS knowledge;
  • knowledge about web applications and how they work “under the hood”;
  • nice to have: previous similar experience;

Packages and extras

  • Healthcare package
  • Language courses
  • Trainings
  • Financial bonus


  • Car parking
  • Cold beverages
  • Hot beverages
  • Fruits
  • Shower
  • Integration events

review of applications and contact with selected candidates;
technical part with tasks to be completed;
technical interview with Kacper Tomporowski (our QA Team Leader);
HR interview with Maria Izdebska - Jul (our Talent Acquisition Specialist).

We are working on an open-source application used by millions of users. Our flagship product is CKEditor 5 - a powerful, modern, and user-friendly rich text editor, enhancing many CMS and CRM systems, as well as various internet platforms. CKSource's clients include giants such as Microsoft, IBM, Zendesk, Drupal, and Thomson Reuters. For over 16 years , the company has been developed by versatile programmers who set trends in the field of creating advanced technologies for content editing.