Stefan Wehner
Sr. Software Engineer (Backend) at RevenueCat
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolStefan Wehner is a senior backend software engineer based in Madrid with 11 years of experience building scalable, production-grade systems for both startups and large enterprises. He has driven backend architecture and performance work at Tuenti, developed customer-facing pricing features at Amazon, and now focuses on backend services at RevenueCat. Fluent in Spanish, English and German, he brings cross-cultural communication to distributed teams and a strong foundation in Java, Python and systems design dating back to embedded and streaming projects early in his career. Stefan’s background includes designing queue frameworks, service-oriented migrations, and real-time media systems, reflecting a pragmatic blend of low-level systems thinking and high-throughput service engineering. He combines hands-on coding with a history of improving scalability and observability in complex platforms.
11 years of coding experience
15 years of employment as a software developer
MS Computer Engineering (Ingeniería Informática Superior), Software development (methodologies), Hardware design (VHDL, FPGA), MS Computer Engineering (Ingeniería Informática Superior), Software development (methodologies), Hardware design (VHDL, FPGA) at Universidad Autónoma de MadridDeutsche Schule Madrid
Github Skills (100)
dashboard10
grafana10
storekit10
python-client10
in-app-purchase10
elasticsearch10
influxdb10
receipt-validation10
replay10
monitoring10
data-visualization10
obsolete10
observability10
mysql10
trend10
Programming languages (12)
Github contributions (5)
swehner/foos
Nov 2015 - Oct 2021
Instant replay system for foosball table
Contributions:283 commits, 33 PRs, 313 pushes in 5 years 11 months
replayinstant-replayfoosballinstantfoosball-table
swehner/grafana
Mar 2015 - May 2016
Contributions:14 pushes, 4 branches in 1 year 2 months
graph-editorinfluxdbgrafanagraphdashboard
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