Raj Kumar
Engineering Manager - Data & ML Engineering
Bengaluru, Karnataka, India
Summary
👤
Senior🎓
Top SchoolRaj Kumar is an engineering manager specializing in Data & ML Engineering with 11 years of experience building data products across microblogging, ad-tech, and e‑commerce. He leads personalization and recommendation initiatives at Koo, having shipped a “Recommended For You” feature and implemented a weighted PageRank for better user discovery. A statistician by training, Raj combines hands-on skills in Python/R, Spark, dbt, and cloud data platforms (AWS, GCP, Redshift, Snowflake) to transform billions of daily logs into actionable insights. He has a track record of operational impact—setting up self-serve analytics, GDPR tooling, and cost-optimizing routing models that tied directly to revenue and infra savings. Beyond production systems, he’s an award-winning creator of Gitdiscoverer (grand prize, RStudio Shiny contest) and has judged subsequent contests, showing a knack for turning MOOC learning into notable OSS projects. Based in Bengaluru, he blends statistical rigor with pragmatic engineering to turn complex data into business-facing solutions.
11 years of coding experience
7 years of employment as a software developer
Data Science For Business With R, Data Science For Business With R at Business Science UniversityMaster's degree, Statistics, Master's degree, Statistics at Hindu College, University of DelhiKendriya Vidyalaya SangathanBSc.(H), Statistics, BSc.(H), Statistics at Kirori Mal College, University of Delhi
English, Hindi, Punjabi
Stackoverflow
205reputation
53kreached
5answers
0questions
Github Skills (72)
algolia9
dbt-packages9
jekyll-theme9
jekyll9
trending8
shiny8
ruler8
r8
data-lineage8
analytics-engineering8
expressjs8
triangular8
agent8
hexo7
utterances7
Programming languages (8)
Github contributions (5)
rajkstats/git_discoverer_app
Feb 2020 - Apr 2020
What's trending in data science space
Contributions:61 commits, 1 PR, 3 pushes in 1 month
pythonsciencedata-sciencemachine-learningspace-science
rajkstats/AOL-Exploratory-Data-Analysis
Nov 2018 - Oct 2022
Contributions:4 commits, 33 pushes, 1 branch in 3 years 11 months
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