# Shubham User

Shubham User is a remote worker on Himalayas, Data Scientist II at 24/7.ai Labs, based in India.

Source: https://himalayas.app/@shubhamuser42

```text
Data Scientist II at 24/7.ai Labs who improved campaign CTR by ~20% with a PySpark and GCP ad-serving pipeline.
```

| Detail | Value |
| --- | --- |
| Availability | Looking for a job |
| Location | India |
| Authorized to work in | India |
| Salary expectations | 140k+ INR |
| Job categories | Data Scientist, Analytics Consultant, Software Engineer |
| Skills | Data Science, Machine Learning, Personalized Advertising, Campaign Optimization, Bandits, Thompson Sampling, Contextual Bandits, Logistic Regression, SVM, Propensity Modeling, A B Testing, Off Policy Evaluation, Monte Carlo Simulations, Statistical Testing, Power Analysis |

## About

```text
At 24/7.ai Labs, I developed an ad-serving solution using Multi-Armed Bandit with Thomson Sampling to address the cold-start problem across ~10k creatives. I implemented a Logistic Regression pipeline with PySpark and GCP that increased CTR by ~20% and delivered ~1.5x ROAS.

I also automated campaign delivery, performance tracking, and optimization through Streamlit, reducing manual effort by ~90% while campaign revenue grew ~8x. I worked with the team on a testbed simulator using Off-Policy Evaluation and Monte Carlo simulations, and created an A/B group utility using constraint programming and clustering.

At Infosys, I worked on a mental health chatbot POC for real-time sentiment analysis and designed an employee attrition prediction model. I also built a fraud-detection visualization utility for trade surveillance using behavioral analytics.

At Fidelity Investments, I built ETL data pipelines with Informatica and automated data reconciliation using shell scripting and SQL query tuning, reducing processing time by ~40%. I also integrated a virtual machine application with an OLTP database and designed and maintained its database schema.
```

## Experience

### Data Scientist II

24/7.ai Labs. Nov 2017 - Sep 2024

```text
Developed ad-serving solutions using Multi-Armed Bandit and implemented ML pipelines for digital campaign optimization. Automated campaign delivery and performance tracking, reducing manual effort by ~90% and growing revenue by ~8x.
```

Skills: Python, PySpark, GCP, AWS, Lambda, Redis, Logistic-Regression, Bandits, Thompson-Sampling, Off-Policy-Evaluation, Monte-Carlo-Simulations, Constraint-Programming, SMT-Solvers, Clustering, Streamlit, A-B-Testing, Statistical-Analysis, Cohen's-H, Power-Analysis, SVM, Propensity-Modeling

### Senior Analytics Consultant

[Infosys](https://himalayas.app/companies/infosys-limited). Feb 2015 - Oct 2017

```text
Worked on POC of a mental health chatbot using Naïve Bayes for real-time sentiment analysis. Designed employee attrition prediction model and built fraud detection visualization utility for trade surveillance.
```

Skills: Naïve-Bayes, Sentiment-Analysis, Classification-Algorithms, Behavioral-Analytics, Fraud-Detection, Data-Visualization

### Software Engineer

[Fidelity Investments](https://himalayas.app/companies/fidelity-investments). Aug 2010 - Jan 2015

```text
Built ETL data pipelines using Informatica and automated data reconciliation, reducing processing time by ~40%. Integrated a click-to-compute virtual machine application with an OLTP database and designed schema and ER diagrams.
```

Skills: Informatica, Shell-Scripting, SQL, ETL, Data-Pipelines, OLTP, Database-Design, ER-Diagrams

## Education

### Great Lakes Institute of Management

Post Graduate Program, Business Analytics and Data Science. 2016 - 2016

```text
Completed a Post Graduate Program in Business Analytics and Data Science as part of a dual program with Illinois Institute of Technology.
```

### Illinois Institute of Technology

Post Graduate Program, Business Analytics and Data Science. 2016 - 2016

```text
Participated in a dual program with Great Lakes Institute of Management, focusing on Business Analytics and Data Science.
```

### Dr. A.P.J. Abdul Kalam Technical University

Bachelor of Technology, Information Technology. 2005 - 2009

```text
Earned a Bachelor of Technology in Information Technology from 2005 to 2009.
```

## Tech stack

- Pig
- PySpark
- Hadoop
- Redis
- Python
- Streamlit
- Git
- Docker
- SQL
- Bash
- AWS

To contact Shubham, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire).

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