József Keller
Chief Technology Officer at Friendly.ch
Hungary
Summary
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RockstarJózsef Keller is a Chief Technology Officer based in Hungary with 11 years of hands-on software engineering experience and a strong focus on front-end and product-facing systems. As CTO at Friendly.ch, he blends technical leadership with practical implementation, frequently rolling up his sleeves to ship UI and email design improvements. His open-source contributions to the well-known Mautic marketing automation project highlight expertise in MJML and email template architecture, where he created new themes and refined existing templates for better deliverability and presentation. Colleagues rely on him to bridge product requirements and engineering execution, turning visual concepts into maintainable code. He brings a pragmatic, design-aware perspective to technical strategy, ensuring customer-facing communications are both beautiful and reliable.
11 years of coding experience
English, German, Latvian, Hungarian
Github Skills (6)
email-marketing10
php10
mjml10
mautic9
html9
twig7
Programming languages (3)
Github contributions (5)
mautic/mautic
Feb 2021 - May 2022
Mautic: Open Source Marketing Automation Software.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:197 reviews, 10 commits, 11 PRs in 1 year 3 months
Contributions summary:József's contributions primarily involve creating and modifying MJML templates for email marketing. They added new themes, including "paprika," "confirmme," and "brienz," which involved creating HTML structures and content for email layouts. The changes focused on the structure and design of the emails, demonstrating a focus on user interface and visual presentation within the marketing automation context of the repository. The user also updated existing MJML templates, suggesting ongoing maintenance and refinement of the email design components.
marketing-automationmauticphpautomationsoftware-automation
FriendlyDotCH/mautic-multi-domain
Jun 2021 - Jan 2023
Contributions:6 releases, 8 commits, 10 PRs in 1 year 7 months
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