Martin Karrer
Solutions Architect at Amazon Web Services (AWS)
Munich, Bavaria, Germany
Summary
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Rockstar🎓
Top SchoolMartin Karrer is a Solutions Architect based in Munich with 11 years of experience designing and optimizing cloud-native systems for both startups and enterprise customers. He has led technical teams and migrations—most recently at AWS—after driving architecture, cost and performance improvements as Head of Technology at reppa.net and as a tech lead rebuilding latency-sensitive systems at Team Internet using microservices and Elixir. Martin combines hands-on engineering (backend and cloud architecture) with company-wide resource planning and observability expertise, regularly leveraging tools like Datadog and CloudWatch to surface actionable insights. He runs bMalum, blogs at bmalum.com, and has a proven track record in cloud migrations, database optimizations and real-time ETL for analytics. Colleagues know him for pragmatic problem-solving and an ability to turn complex requirements into maintainable, cost-effective solutions.
11 years of coding experience
9 years of employment as a software developer
Matura, Naturwissenschaften, Matura, Naturwissenschaften at Bundesrealgymnasium WörglBachelor's degree, Information Technology, Bachelor's degree, Information Technology at Leopold-Franzens Universität Innsbruck
English, German, Latin
Stackoverflow
398reputation
33kreached
12answers
3questions
Github Skills (75)
realtime10
synology10
elixir10
phoenix-framework10
api-server10
web-framework10
modular9
ddl9
javascript9
microfrontend9
jdownloader9
frontend9
inotify9
qnap9
pypi9
Programming languages (10)
Github contributions (5)
bmalum/constructeev
Jun 2015 - Oct 2015
Contributions:1 release, 112 commits, 4 PRs in 4 months
ruby-on-railsrailsrubyfeedbackruby-on
bmalum/mayfly
Jan 2024 - Apr 2025
Contributions:2 PRs, 38 pushes, 1 branch in 1 year 3 months
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