Software Engineering Team Leader

We are the company that stands behind the spectacular success of CKEditor, used by millions of people around the world. At CKSource we produce software components that other developers use to build their applications (WYSIWYG editor, file manager, document converters, etc.). Our flagship product is CKEditor 5 – an open-source, modern TypeScript rich text editor with custom data model and virtual DOM – check our GitHub repository. We're also innovating in AI - CKEditor AI integrates intelligent, in-editor AI features, making content creation smarter and more efficient.

We are part of Tiugo Technologies, a launchpad for new developer platforms, helping software companies accelerate growth, increase operating efficiency, and scale their business. Tiugo contains a suite of brands that are API-first, market-leading developer platforms focused on content creation and digital collaboration. Tiugo’s current family of brands includes CKEditor, TinyMCE, ButterCMS, and Uploadcare.

Together our products have powered millions of software applications and websites. Enabling content and communication in everything from Microsoft to NASA, you might not know our name, but you’ve probably used our software.

About the role:

The Software Engineering Team Leader role combines hands-on engineering with strong technical and people leadership. You will lead a mature, core frontend team working on a complex domain and proprietary framework, shaping architectural direction, technical quality, documentation, and leveraging AI to enhance developer experience and team efficiency. The role also requires close collaboration with cross-functional teams, strong ownership, assertiveness, and the ability to navigate high complexity and dependencies.

Key Responsibilities:

• Managing, supervising and keeping track of the delivery of the engineering team;

• Contributing to performance reviews, goal setting, and career progression plans;

• Coaching engineers day to day through mentoring, pairing, and technical feedback;

• Collaborating with the team to develop processes, policy, protocols, and solutions within the team;

• Writing clean, maintainable, well-documented code and establishing quality standards;

• Cultivating engineering excellence through continuous learning and blameless culture;

• Promoting the culture of ownership, responsibility and cooperation.

To be successful in this role you need the following:

• Interest in leading while staying hands-on with code;

• At least 4-5+ years of experience as a Frontend Engineer (or a similar role);

• Proven experience (at least 2 years) in leading a team of engineers through hiring, mentoring and feedback, among others; 

• Proficiency in JavaScript/TypeScript and good knowledge of React;

• Ability to successfully complete complex software projects and deliver products;

• A strong understanding of both business and technical strategy;

• Ability to communicate directly and clearly;

• Strong sense of ownership and accountability;

• Excellent verbal and written communication skills, with a proficiency level in English and Polish at C1;

  
  

Nice to have:

• Experience with working directly with international clients;

• Experience with workflow automation using AI;

Why join CKSource:

Our people are a huge part of what makes CKSource a great place to work! Aside from a great team, some of our benefits include:

• Flexible working hours and fully remote work.

• Tasks tailored to your predispositions.

• The total monthly compensation package range for this position is 27 000 - 35 000 PLN. Available forms of employment: agreement B2B or contract of employment.

• 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).

• English lessons with a native speaker and an online language platform with the possibility to learn English, Spanish, and German.

• Private medical care (Enel Med or Medicover) and Multisport card.

• Access to mental health support and personal growth resources through Mindgram.

• 2 weeks of parental leave for our contractors.

  
  

Recruitment process:

• HR Interview.

• Technical interview with the Director of Engineering and Engineering team member.

• Face-to-face meeting in our Warsaw office with our product and engineering leaders.