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Harshith Varma

NSaiHarshithVarma

Data Scientist @ Confluent

Author of ML from Scratch

Data Scientist at Confluent, building AI-driven systems for product analytics. Author of ML from Scratch, a deep-dive series on deriving machine learning algorithms from first principles.

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Cover of ML from Scratch — Volume 1 · Foundations, by N Sai Harshith Varma

Expert

Kaggle Rank

Top 3%

23

Notebooks

500+ Forks

2

Research

Published Papers

5+

Projects

Open Source

Vol. 1

Book

373 pages · ML from Scratch

01Selected work

Screenshot of Toxic Comment Detection

Toxic Comment Detection

A high-precision Deep Learning model achieving 98.01% accuracy in detecting toxic speech. Features an end-to-end pipeline with SMOTE balancing, TF-IDF vectorization, and a Keras Sequential neural network, visualized through an interactive Next.js showcase.

TensorFlow · Keras · Python · Scikit-learn

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02Current focus

MALLORN: Detecting Tidal Disruption Events

Developing a machine learning solution for the MALLORN Challenge to classify Tidal Disruption Events (TDEs)—stars torn apart by black holes. The system analyzes simulated LSST photometric lightcurves, utilizing advanced time-series feature extraction to identify rare transients within highly imbalanced astronomical datasets.

  • Data Science
  • Feature Engineering
  • Imbalanced Classification
  • Time Series Analysis

03Latest writing

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