Aneesh Sajan

About Aneesh Sajan

Data Science professional with 15+ years of experience in Applied Analytics and Machine Learning. Led development of large-scale ML systems including ranking algorithms, personalized recommendation systems, fraud detection models, and anomaly detection solutions using deep learning, graph-based ML, and causal inference. Passionate about data-driven decision-making, strategy development, and delivering scalable solutions that serve billions of daily customer interactions.

Experience

1. Senior Data Scientist

   Amazon

   Mar 2022 — Present · Seattle, WA, US

   Amazon Search • Visual Search • Query Understanding • ML Operations • Data platforms Personalization & Recommender Systems • Developing ML models for personalized recommendations, enhancing customer engagement and retention. • Building graph-based recommendation systems leveraging social graphs and deep learning for content discovery. • Modeling customer propensity for deals using predictive analytics. • Developing algorithms to mitigate bias in sparse data, improving recommendation fairness. • Defining a framework to measure inspirational content value. • Conducting large-scale A/B testing and causal inference to assess personalization impact. • Driving strategy documents to align data science innovation with product development. • Driving data-driven decision-making, influencing cross-functional teams. • Writing, reviewing, and implementing science roadmaps and vision; setting research directions. • Building scalable ML pipelines.

Education

• National Institute of Technology

  Bachelor in Technology , Electronics and Communications Engineering

  2007 — 2011

Skills

• Microsoft Excel
• Data Warehousing
• C
• Visual Basic for Applications (Vba)
• Hadoop
• Data Analysis
• Business Analysis
• Vba
• Sas
• Business Analytics
• Analytics
• Sql
• Apache Pig
• Data Modeling
• Hive
• Pl/Sql
• R