Karim Lulu
Senior Software Engineer, Machine Learning at Roku Inc.
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolKarim Lulu is a Senior Software Engineer specializing in production-grade machine learning and ML infrastructure with nine years of experience across startups and enterprise teams in London. He has a strong track record building feature stores, optimizing transformer ranking models, and deploying LLM infrastructure that measurably improved user engagement and reduced latency at Roku and DataRobot. Comfortable across the ML lifecycle, Karim pairs deep NLP and data-science expertise (Python, Spark, R, SQL) with cloud-native engineering on AWS, Docker and NoSQL to ship scalable systems. He has led teams and product-focused ML efforts—automating patent-drafting workflows and real-time IoT pipelines—bringing both R&D rigor and production discipline. Notably, his work replacing caching layers and versioned feature stores drove concrete business metrics (reduced abandonment and increased streaming hours), reflecting a pragmatic focus on impact beyond model accuracy.
9 years of coding experience
7 years of employment as a software developer
Master of Arts - MA Economic Analysis, Master of Arts - MA Economic Analysis at Kyiv School of EconomicsIgor Sikorsky Kyiv Polytechnic Institute
English, Ukrainian, Russian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (31)
prompt-tuning10
named-entity-recognition9
information-extraction9
natural-language-processing8
large-language-models8
korean-nlp6
locate6
ats6
sublime6
science5
turkish5
nlp5
date-parser5
nltk5
sublime-text5
Programming languages (3)
Github contributions (5)
KarimLulu/effective-python-90-ways
Dec 2020 - Sep 2022
Contributions:6 commits, 11 pushes, 1 branch in 1 year 9 months
KarimLulu/locality-sensitive-hashing-knn
Jul 2019 - Sep 2022
Approximate k-Nearest Neighbours in high-dimensional space via Locality Sensitive Hashing
Contributions:3 PRs, 11 pushes, 4 branches in 3 years 1 month
hashingapproximate-nearest-neighbor-searchk-meanslocalitykd-tree
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