#1 Job Board for tech industry in Europe
Zespół pracowników na drewnianym pomoście nad jeziorem podczas integracyjnego wydarzenia na łodziach żaglowych
CKSource

CKSource

CKEditor was founded in 2003, when open source software was still gaining ground. What began as a hobby project by Frederico Knabben evolved into CKSource by 2006. Today, CKEditor 5 leads in rich text editing, offering features like real-time collaboration, track changes, AI, and templates that help teams create great content. CKSource now supports 100,000+ customers and has grown from its open-source beginnings into a global business. It is now a portfolio company of its parent, Tiugo Technologies, which employs over 270 people worldwide.
Office locationsCentrum, Warsaw
Active offers0
Company typeCorporation
IndustryIT & Software
About usBenefitsGallerySocial media feedHow we work?Job adsLocation

About CKSource

About CKSource

CKEditor was founded in 2003 as an open-source project by Frederico Knabben and evolved into CKSource by 2006. CKEditor 5 is a leading rich text editor with features including real-time collaboration, track changes, AI, and templates, serving over 100,000 customers globally. CKSource supports many renowned brands such as Zendesk, Microsoft, IBM, Drupal, Thomson Reuters, and Airbus. The company values a unique culture of trust, diversity, and feedback, fostering growth and innovation among its globally distributed teams.
Number of employees
105
Year of foundation
2003
Origin
Poland

Say hello to CKSource!

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. 
Duża grupa pracowników podczas integracyjnego spotkania na molo nad jeziorem przy jachtach
Zespół młodych profesjonalistów w firmowych koszulkach pozujących do grupowego zdjęcia w biurze

Unique company culture:

We believe in being human at work, and want our people to be able to enjoy their jobs and their lives in balance. The freedom to deal with kids/pets/toothaches/in-laws/plumbers/etc. when needed means our teams are fully engaged when they’re working.As a globally distributed team, drawing from many different cultures, creeds, and contexts, we celebrate each other’s strengths and know that diversity cultivates innovation. We work hard to foster a culture of trust and feedback where everyone can grow and learn from each other, and where every voice counts. We can’t always be in the same room, but we strive to be on the same page.
We care deeply about our work, our products, our impact, and each other. 

Strong focus on excellent code quality:

✔️ 100% code coverage, detailed code reviews, CI
✔️ Extensive documentation✔️ Time for tests, refactoring, reducing technical debt 
Cztery osoby w czarnych koszulkach z grafiką stoją na tle niebieskiej ściany, uśmiechnięte i zrelaksowane
Pracownicy w nowoczesnym biurze grają w dużą drewnianą Jengę podczas firmowego spotkania integracyjnego

A place to realize your potential:

✔️ Solve complex puzzles & push web browsers to their limits
✔️ Write in modern vanilla JS and take responsibility for the architecture
✔️ Get more and more challenging tasks once you feel ready for it

Benefits at CKSource

We care about our employees

At CKSource, we value our employees' well-being and professional growth. We foster a diverse and inclusive culture that promotes trust, feedback, and continuous learning. Our team enjoys a supportive work environment with a focus on excellence and personal potential.

Remote or Hybrid Work

CKSource photo gallery

Get to know our daily life

Even though we work remotely and are spread across the globe, we care deeply about staying connected. Twice a year, we gather for in-person company-wide retreats, and on top of that, each team meets face-to-face to strengthen relationships and collaboration. We also stay aligned through regular all-hands meetings online, ensuring everyone is up to date with what’s happening across the company.

Get to know CKSource better

Follow CKSource on Social Media

Discover the innovative world of CKSource, creators of the leading CKEditor rich text editor. Follow us, join our community and stay connected with the exciting developments at CKSource!

What is it like to work at CKSource

We are CKSource, creators of CKEditor, innovating rich text editing since 2003.

We love quality code and challenging tasks. Our teams focus on tests, refactoring, and clean architecture to deliver excellent software solutions used by global brands like Microsoft, IBM, and Airbus.


CKSource began as a humble open-source project and has grown into a global business supporting over 100,000 customers. We take pride in creating CKEditor 5, a powerful text editor loved worldwide, with features like real-time collaboration, AI, and templates that spark creativity and teamwork.

Working hours
Fixed hours8:00 - 16:00
Dress code
Casual
Work type
Remote
Employment type
Any

Our Teams and Culture

We are passionate about our work and each other. With a distributed team working remotely across the globe, we embrace different cultures, perspectives, and backgrounds to fuel innovation. Our culture is founded on trust, open communication, and continuous learning, making CKSource a great place to realize your potential.
Zgrany zespół pracowników w firmie pozujący razem w czarnych koszulkach z zielonym wzorem
Engineering
Working hours
Fixed hours8:00 - 16:00
Dress code
Casual
Work type
Remote
Employment type
Any

Our engineering teams at CKSource are passionate about building modern, scalable software solutions. We emphasize pragmatic software development, clean code, and strong collaboration to create the best possible user experiences.

Technologies We Use

We work with modern vanilla JavaScript and build microservices and scalable architectures. Continuous integration, comprehensive testing, and extensive documentation ensure high code quality and maintainability.
JavaScript
Node.js
TypeScript

Work at CKSource

Current job ads

At the moment, this employer has no open positions.