Burkhard Reffeling
Founder CTO at Taxforce
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolBurkhard Reffeling is a founder and CTO with 14 years of engineering leadership experience building AI-enabled finance and commerce products from early-stage startups to scale at Klarna. He grew Klarna’s Card & Banking organization from a handful to 140+ engineers, led cross-functional strategic initiatives (security, talent, business development) and later focused on AI-driven knowledge and workflow automation to replace legacy tooling. Now founding AI-first ventures in accounting and ERP for SMEs, he combines hands-on full‑stack engineering experience (including open-source contributions improving Symfony translation tooling) with product-driven execution. Known for scaling teams and systems simultaneously, he pairs rigorous technical detail with a founder’s appetite for delivery and operational rigor.
14 years of coding experience
14 years of employment as a software developer
BSc Computing - First Class Honours Degree Web Development Software Architecture Project Management Artificial Intelligence etc., BSc Computing - First Class Honours Degree Web Development Software Architecture Project Management Artificial Intelligence etc. at Leeds Beckett UniversityA-levels Mathematics English, A-levels Mathematics English at Goethe-Gymnasium Auerbach
German, English
Github Skills (9)
javascript10
symfony10
symfony-ux10
twig9
back-end-development9
php9
json8
unit-testing8
front-end-development6
Programming languages (13)
Github contributions (5)
willdurand/BazingaJsTranslationBundle
Nov 2012 - Oct 2013
A pretty nice way to expose your Symfony translation messages to your client applications.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:6 commits in 11 months
Contributions summary:Burkhard focused on enhancing the functionality and maintainability of the Symfony translation bundle. Their contributions involved implementing new features, such as the ability to feed translations from a JSON string. They also added unit tests for the new features, fixed indentation issues, and optimized the code by removing duplicate messages. Furthermore, the user addressed performance issues by replacing calls to `array_merge_recursive` with `array_replace_recursive` to produce flat message arrays.
bundlephpsymfony-bundletranslationexpose
hardchor/dotfiles-1
Jul 2015 - Mar 2019
Contributions:13 commits, 16 pushes in 3 years 8 months
dotfilesholmanzsh
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