Dominik Szczepaniak
Senior Software Engineer at CKEditor
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolDominik Szczepaniak is a Senior Software Engineer with nine years of experience building scalable, real-time backend systems and developer-facing tools, currently strengthening CKEditor Cloud Services. He combines deep Node.js/TypeScript expertise with production experience in AWS, PostgreSQL/MySQL, Redis, Terraform and CI/CD to deliver SaaS microservices and on-prem modular monoliths, while also owning test automation and zero-downtime migrations. A regular technical writer and educator, Dominik publishes over 130 blog articles and a free e-book for junior JavaScript developers, translating complex engineering topics into practical guidance. He is an active open-source contributor to the well-known CKEditor 5 project, where his backend fixes and tests improved collaborative editing reliability. Based in Greater Poland, he pairs hands-on coding with stakeholder-driven architecture and tooling improvements, and even develops browser extensions and data-focused Python scripts in his spare time.
9 years of coding experience
5 years of employment as a software developer
Master's degree Computer science and econometrics, Master's degree Computer science and econometrics at Poznan University of Economics And BusinessIT technician, IT technician at Zespół Szkół Ekonomicznych im. Cyryla Ratajskiego w Śremie
Stackoverflow
472reputation
30kreached
10answers
14questions
Github Skills (16)
javascript10
wysiwyg10
html-editor10
text-editor10
ckeditor10
editor10
rich-text-editor10
unit-testing9
event-driven6
htaccess6
syntax6
eslint6
dom6
vue-filter6
erb6
Programming languages (4)
Github contributions (5)
ckeditor/ckeditor5
Jul 2019 - Apr 2020
Powerful rich text editor framework with a modular architecture, modern integrations, and features like collaborative editing.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 1 comment, 7 issues in 8 months
Contributions summary:Dominik focused on improving the `transformSets` function within the CKEditor 5 engine. Their contributions involved refining the process of returning original operations, simplifying loops, and removing unnecessary code. The user also added tests to ensure the `transformSets` function returned correct values, improving the reliability of the rich text editor's collaborative editing features. These changes likely enhanced the editor's ability to handle concurrent edits and maintain data integrity.
rich-textwysiwyg-editorlexicalrichtexttinymce
elszczepano/Laravel_REST_API
Dec 2017 - May 2018
Contributions:168 pushes, 1 branch in 4 months
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