Leonard Thiele
Engineering Director - BU AI at Youtube
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolLeonard Thiele is an engineering leader and hands-on technologist with 8 years of experience building product-focused frontend and full-stack teams across Europe and North America. Currently Engineering Director for BU AI at T-Systems Iberia, he blends people-first coaching, hiring rigor, and delivery excellence to scale cross-border teams and embed strong engineering culture and career paths. Previously at Klarna he shipped high-impact features (in-store experiences, geolocation, NLP moderation) while architecting resilient client-side systems and growing international teams. He’s also an independent maker of LLM-powered hiring tooling and keeps Huggingface open on his second monitor, pairing production ML pipelines with pragmatic product thinking. Outside of work he runs a YouTube channel with a 12-video interview prep course, turning his mentoring instincts into public-facing career content. Born in Germany and based in Barcelona, he’s equal parts coder, coach, and curious builder who enjoys turning complex problems into scalable, user-centered solutions.
8 years of coding experience
6 years of employment as a software developer
Bachelor of Science - BS Computer science and economics, Bachelor of Science - BS Computer science and economics at Westfälische HochschuleBachelor of Science - BS Computer science and economics, Bachelor of Science - BS Computer science and economics at Hochschule Ruhr West University of Applied SciencesInformation technology assistant Computer science, Information technology assistant Computer science at Heinz Nixdorf Technical College
German, English, Russian
Github Skills (3)
vscode-extension3
javascript3
typescript3
Programming languages (2)
Github contributions (5)
Leonardthiele/blockinfo.de
Jul 2017 - Jan 2018
Contributions:98 commits, 75 pushes, 2 branches in 6 months
Leonardthiele/Leonardthiele.com
Apr 2018 - Nov 2022
Contributions:32 pushes, 3 branches in 4 years 7 months
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