Saurabh Kumar

AI Researcher

New York, New York, United States12 yrs 10 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • 8+ years of experience in machine learning and data science.
  • Led data science initiatives at top companies like Apple and Lyft.
  • Strong educational background from Columbia University and IIT Kanpur.
Stackforce AI infers this person is a Data Science expert with a focus on Fintech and Healthcare industries.

Contact

Skills

Core Skills

Machine LearningData ScienceBusiness AnalysisData ManagementSoftware Development

Other Skills

A/B TestingAnalysisAnalytical SkillsAnalyticsC++Cost Benefit AnalysisData AnalysisData MiningDerivativesEquity ResearchExcelForecastingFraud DetectionJavaLinear Optimization

About

I am currently a Senior/Staff Machine Learning Engineer working at Apple I have been working on the intersection of ML and Experimentation, using them to improve efficiency in the Ads marketplace. I have 8+ years of experience improving efficiency, productivity and growth at companies like Lyft, Capital One, American Express and HSBC. I have been fortunate to work in some great companies like NASA, Capital One,Pfizer and American Express that have been at the forefront of advances in data science in fields as varied as climate , healthcare and retail finance. My education at Columbia University and IIT Kanpur ( one of the top Engineering institutes in India with a 1% acceptance rate) have equipped me with technical background in subjects like Machine Learning, Data Structures, Algorithms , Economics and the latest in Big Data Ecosystems. At the same time, i have complemented it with soft skills , business intuition , consulting skills(Data Science Consultant role at EXL) through my professional experience and courses at Columbia Business School.

Experience

12 yrs 10 mos
Total Experience
1 yr 10 mos
Average Tenure
3 yrs 7 mos
Current Experience

Apple

2 roles

Staff/Senior Staff Machine Learning Engineer

Sep 2025Present · 9 mos

Senior/Staff Machine Learning Engineer

Nov 2022Sep 2025 · 2 yrs 10 mos

  • ML Platform at Apple Ads

Lyft

Data Science, TBS Payments

Jan 2021Nov 2022 · 1 yr 10 mos · New York, United States

  • I lead multiple data science work streams at Lyft:
  • Reducing fraud losses by deploying ML models for identifying risky customers
  • Improving membership retention rates through A/B testing and experimentation
  • Improving payment health for Lyft Bikes and Scooters
  • Building theft and loss fraud models for Bikes and scooters
  • Improving customer experience of Lyft bikes and scooter riders by improving reliability of rides
  • Most of my day to day is spent on running A/B tests, building ML models and doing statistical analysis to improve outcomes of aforementioned workstreams
Machine LearningA/B TestingStatistical AnalysisFraud DetectionData Science

Capital one

2 roles

Data Science Manager

Jan 2019Jan 2021 · 2 yrs

  • Working on providing financial inclusion to immigrants, students and other underserved communities with the power of alternative data sources.

Principal Associate, Data Science

Feb 2017Feb 2019 · 2 yrs

  • Developed 3 production level identity matching models for 114 million customers of Capital One for smooth sign in and sign up process by using state of the art technology stack (H2O, pyspark, aww).

Nasa - national aeronautics and space administration

Research Assistant

Sep 2016Dec 2016 · 3 mos · New York City Metropolitan Area

  • Use Machine learning techniques for analyzing the climatic drivers of global forest fires and come up with early warning mechanisms.
Machine LearningData Analysis

Pfizer

Data Science Consultant Intern

May 2016Sep 2016 · 4 mos · New York City Metropolitan Area

  •  Developed optimization tool in R for budgeting marketing spend for various Pfizer brands
  •  Identifying Health care providers that have a potential to grow their branded RXing by using Random Forest methods in Python
  •  Developed a comprehensive index to assess potential county hospitals, for expanding Pfizer’s business in China using Python
OptimizationData AnalysisData Science

Exl services ltd

Senior Consultant

Sep 2014Aug 2015 · 11 mos · Gurugram, Haryana, India

  • Advised a major UK bank in their Asset Management for Secured Motor Loan Product (annual bookings GBP 800 M+).
  •  Led a team of three analysts to develop pricing models for auto-finance loans leading to GBP 4M+ incremental sales
  •  Forecasted defaults in certain recession scenarios for auto-finance portfolio with over GBP 800M+ annual bookings
  • White Paper :
  • Wrote a white paper analyzing the product development capabilities of leading Competitors of EXL and suggested areas in which EXL could successfully launch new analytical products
  • Training:
  • Conceptualized and conducted a training on basic statistics for EXL new joinees
Pricing ModelsForecastingData Science

American express

Business Analyst

Sep 2013Sep 2014 · 1 yr · Gurugram, Haryana, India

  • Program Manager for Credit Card Collections in US
  • Performed a Cost Benefit analysis for a temporary Collections Hardship program in the US Market and recommended increasing the enrollments by 2x..
  • Awarded ‘Blue Rewards’ by American Express for my efforts in improving the identification process for deceased customers in the Collections program
Cost Benefit AnalysisProgram ManagementBusiness Analysis

Hsbc

Analyst

Jun 2012Sep 2013 · 1 yr 3 mos · Greater Kolkata Area

  • Collections and Capacity Planning Analyst :
  • Developed a new linear optimization model for calculating number of agents in call center by mathematical formulating the Cost-Revenue and the constraints to this problems
  • Improved the segmentation of delinquent credit card customers by adding more relevant variables in the decision tree increasing the information gain by 1 perecent
Linear OptimizationData AnalysisData Science

Deloitte consulting

Summer Internship

May 2011Jul 2011 · 2 mos · Greater Bengaluru Area

  • Conceptualized and developed a tool in Microsoft Excel(VBA) for managing human resources. Currently being used by the company for employee scheduling and deciding if recruitment is necessary
  • Developed an Oracle object Repository which contains information of all past projects undertaken by the company
VBAOracleData Management

Laboratoire de recherche en informatique (lri)

Summer Intern

May 2010Jul 2010 · 2 mos · Greater Paris Metropolitan Region

  • Developed a simulator for a sensor Network in Java where individual sensors follow Markov Decision Processes.
  • Used the simulator for testing approximate methods to predict steady state configurations for Sensor networks.
  • Simulator is currently being used by the university to undertake research in game theory and physics
JavaSimulationSoftware Development

Education

Columbia University

Master’s Degree — Operations Research

Udacity

Machine Learning Engineer Nanodegree — Computer Science

Jan 2017Jan 2018

CFA Institute

Finance — General

Indian Institute of Technology, Kanpur

Master’s Degree(Dual) — Mathematics and Computer Science

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