About the job
At CKSource, we are the proud developers behind CKEditor, a revolutionary rich text editor that is utilized by millions globally. Our firm specializes in crafting software components that empower other developers to enhance their applications, including tools such as WYSIWYG editors, file managers, and document converters. Our premier offering, CKEditor 5, is an open-source, advanced JavaScript (soon to be TypeScript) rich text editor that features a custom data model and a virtual DOM. Explore our progress on our GitHub repository.
CKSource is a component of Tiugo Technologies, a hub for innovative developer platforms that assist software companies in accelerating growth, enhancing operational efficiency, and scaling their businesses. Our family of brands includes CKEditor, TinyMCE, ButterCMS, and Uploadcare, all focused on content creation and digital collaboration.
Our products have fueled millions of applications and websites, facilitating communication and content creation for clients from Microsoft to NASA. While you may not recognize our name, it is highly likely that you've benefited from our software.
Your Role:
As a Senior Software Engineer on our AI team, you will be instrumental in developing and advancing the backend services that drive AI functionalities within CKEditor 5. This is a remarkable chance to engage at the intersection of AI and content creation, where large language models (LLMs) meet their optimal application: text processing.
Your responsibilities will include designing, building, and maintaining services that connect with leading LLM providers such as OpenAI, Anthropic, and Google Gemini, enabling features like contextual text suggestions, automated content generation, and intelligent editing experiences for millions of users worldwide.
Collaborating closely with fellow engineers, you will contribute to the development of scalable backend systems, explore new AI-driven capabilities, and deliver production-ready solutions that revolutionize digital content creation and interaction.
Curious about our AI features? Check them out in action at https://ckeditor.com/ckeditor-5/demo/ai and envision the future possibilities you could help create.
Our core technology stack includes TypeScript and Node.js. We are seeking an experienced backend engineer who is passionate about AI and can balance innovation with production-grade quality.

