Vassilis Moustakas
Senior Software Engineer, Machine Learning at Amazon
Barcelona, Catalonia, Spain
Summary
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Senior🎓
Top SchoolVassilis Moustakas is a Senior Software Engineer specializing in machine learning with 13 years of experience building search and ranking systems, currently improving faceting and navigation at Amazon's Search Experience Science team in Barcelona. His work spans query-time textual feature computation, deployment of ranking models to production fleets, and behavioral features to address cold-start problems across locales. He combines a strong academic background in information technology with early career research in information retrieval and distributed systems, bringing both practical production engineering and research-informed methods. Notably, he progressed through multiple Amazon search teams, demonstrating deep domain expertise in text normalization, lexical matching, and scalable feature pipelines. Colleagues rely on him for turning state-of-the-art ML ideas into reliable, high-throughput services that materially improve search relevance.
13 years of coding experience
14 years of employment as a software developer
Engineer's Degree, Informatics, 7.87/10, Engineer's Degree, Informatics, 7.87/10 at Technologiko Ekpaideutiko Idrima, AthinasMaster's Degree, Information Technology, 9.27/10, Master's Degree, Information Technology, 9.27/10 at Ethnikon kai Kapodistriakon Panepistimion Athinon / University of Athens
Greek, english (cefr c2), german (cefr a2)
Stackoverflow
585reputation
57kreached
2answers
11questions
Github Skills (19)
oh-my-zsh10
docker10
python10
bash10
rails10
cli-app10
php10
shell10
zsh10
cli10
homebrew9
spice9
macos9
tomcat6
amazon-s36
Programming languages (1)
Github contributions (5)
vmous/vmous.github.io
May 2016 - Nov 2024
Contributions:39 pushes, 1 branch in 8 years 7 months
vmous/jazzy-moocs
Mar 2014 - Jan 2019
Contributions:267 commits, 216 pushes in 4 years 10 months
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