Senior/Staff Node.js Engineer (CKEditor Team)

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 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.

Your new role

Our company is seeking skilled individuals to join one of many teams of experienced professionals working on the flagship projects: CKEditor Cloud Services, AI, Customer Portal, CKBox which is 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. This person will join a team that will primarily be developing and maintaining the core modules/platform that is used in all backend projects.

On the technical side, we work with Node.js (TypeScript) using microservices architecture, using PostgreSQL/MySQL (AWS RDS), Redis (AWS ElastiCache), queue systems (AWS SQS), AWS CloudMap or ZeroMQ, run from AWS ECS, while the infrastructure is created with Terraform (and others).

To be successful in this role you need the following:

• Previous experience in building backend systems
• Strong knowledge of Node.js and TypeScript
• Strong analytical skills and critical thinking, pragmatism, and communication skills
• Ability to make efficient decisions, to combine technical things with business decisions
• Focus on code quality and best practices
• Interest in software design patterns and architecture like a modular monolith and/or microservices
• Proficiency in writing maintainable and reliable tests (unit tests, integration tests, E2E tests)
• Comfort with speaking and writing in English

What would be nice to have:

• Experience in building reusable modules/platforms/frameworks
• Experience with DevOps, SRE, DevEx areas
• Experience with observability tooling: metrics, tracing, and logging stacks
• Contributing to open-source projects
• Interest in technological innovations, following industry trends
• Experience with infrastructure as code (Terraform preferred)

Why join Us:

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:

• The salary range for a B2B contract is 24 000 PLN - 32 000 PLN + VAT per month
• Annual financial bonus depending on the company’s performance
• Flexible schedule and fully remote work
• Professional development resources
• LinkedIn Learning access
• Extra leave for Tiugo Day - our company’s foundation day and your birthday
• English lessons with a native speaker and an online language platform where you can learn English, Spanish, and German
• Access to a mental health and well-being platform with 24/7 dedicated psychological support
• Private medical care (Enel Med or Medicover) and Multisport card
• 2 weeks of paid parental leave for our contractors

Our recruitment process:

• HR call with Ola Mroczek (People & Culture Specialist)
• Technical interview with Radek Potyka (Team Leader) and Józef Flakus (Senior Software Engineer)
• Interview with Bartek Czerwonka (Senior Director of Engineering)