Abhishek Persad

AI Researcher

Delhi, India11 yrs 6 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Led a team of scientists at Amazon to enhance customer experience.
Achieved over $21MM in annualized cost savings through ML products.
Expertise in Machine Learning and Data Science with 11+ years of experience.

Stackforce AI infers this person is a Data Science expert in E-commerce and Messaging industries.

Contact

abhi1991agarwal@rediffmail.com LinkedIn

Skills

Core Skills

Machine LearningData Science

Other Skills

Algorithm DesignAlgorithmsAnalyticsAndroidAndroid DevelopmentBig DataBiochemical EngineeringBioinformaticsBusiness AnalysisBusiness AnalyticsCC++Computer ArchitectureData AnalysisData Mining

About

Leading science team in core transportation space in Amazon. 11+ years of experience across various verticals of Data Science including Machine Learning, Deep Learning, Big Data and Distributed Computing. Worked extensively on Java, Python to build data pipelines and implement ML models in production. Majored in Biochemical Engineering with minor degree in Computer Science from IIT Delhi in 2014.

Experience

Amazon

4 roles

Senior Manager, Applied Science

Promoted

Apr 2025 – Present · 11 mos

Applied Science Manager

Aug 2022 – Apr 2025 · 2 yrs 8 mos

I am leading a team of 8 scientists and is responsible for improving the customer experience in three large and complex product areas – shipping price, package delivery estimate accuracy and auditing of third party shipping costs. My team has launched 5+ ML-based products to deliver an impact of >$21MM annualized cost savings (estimated via controlled A/B experiments), 13% improved shipping cost estimates and $200MM+ yearly reduction in billing discrepancy. It has led to improvement in other key business metrics like reduction in Amazon customer contacts, and improving catalog accuracy.
The role demands thought-leadership in Machine Learning with extensive partnering with several engineering, product and operations team across the globe (USA, Luxembourg and India) to deliver worldwide impact.

Machine LearningData AnalysisBusiness AnalysisData Science

Senior Applied Scientist

Promoted

Jul 2021 – Jul 2022 · 1 yr

Leading a horizontal science team in transportation space. My team is working on problems related to delay in deliveries, shipping cost optimisation, label anomaly detection and 3rd party invoice auditing space.

Applied Scientist II

Jul 2019 – Jun 2021 · 1 yr 11 mos

Google

Software Engineer, Machine Learning - Core Search Team

Aug 2018 – Jul 2019 · 11 mos · Bengaluru Area, India

Solving problems related to spam and abusive content.

Hike messenger

2 roles

Specialist Software Engineer - Data Science Team

Mar 2018 – Aug 2018 · 5 mos · New Delhi Area, India

Developing Content Discovery Platform (Text, Image and Video):
1) Personalised Real Time Scoring module based on item popularity and user-item affinity
2) Similarity module to identify duplicates in images and text based on deep neural embeddings (FastText for text, Densenet for images)
3) Content tagging module to identify language, keywords

Software Engineer - Data Science Team

Nov 2016 – Mar 2018 · 1 yr 4 mos · New Delhi Area, India

a) Part of Hike’s Reward campaign:
1) Developed a 200+ features Gradient boosted model to predict retention for a new user
2) Designed a novel control strategy to map retention with reward and keep mean CPA constant
b) Designed Content ranking framework using Multi Armed Bandit (Explore/Exploit) technique
c) Developed in-app event based notification platform to improve surfacing and CTRs

Roposo

Data Scientist

Mar 2016 – Nov 2016 · 8 mos · Gurgaon, India

Worked to improve the feed experience of Roposo
1. Working in Back End to make feed more relevant and personalised
2. Making predictor models to improve upon the content shown to users
Java, Python, Neo4J

Grownout

Data Scientist

Mar 2015 – Mar 2016 · 1 yr · Gurgaon, India

Making more sense from Data using analytical tools as well as machine learning. Making end to end products.
Python, ElasticSearch, MongoDB

American express

Business Analyst

Jul 2014 – Mar 2015 · 8 mos · Gurgaon, India

Part of the Global Merchant Services team.
Risk Analysis Models (logistic and GBM based) were created to decrease the fraud probability from merchant side.
SAS, SQL, Big Data Handling