# Mohit User

Mohit User is a remote worker on Himalayas, LLM Post-Training Intern at Ethara AI, based in India.

Source: https://himalayas.app/@mohituser9

```text
Data scientist working on LLM post-training at Ethara AI; built a churn classifier with 89% accuracy.
```

| Detail | Value |
| --- | --- |
| Availability | Open to opportunities |
| Location | India |
| Authorized to work in | India |
| Job categories | Data Scientist, Data Analyst, Machine Learning Engineer |
| Skills | Data Science, Machine Learning, predictive modeling, Data Analysis, Feature Engineering, Statistical Modeling, Customer Segmentation, LLM Post Training, Dataset Preparation, Model Evaluation, Data Cleaning, Data Validation, ETL, Hypothesis Testing, A B Testing |

## About

```text
At Ethara AI, I built and curated training datasets for LLM post-training workflows, preparing and structuring data and identifying where better-targeted examples were needed. I evaluated model outputs against defined criteria and used Python and SQL to surface recurring failure patterns and data-quality issues.

For my customer churn prediction project, I built an end-to-end pipeline and a logistic regression classifier that achieved 89% accuracy. I validated it on held-out data and interpreted its drivers to develop retention strategies by segment.

In my customer segmentation project, I analysed 3,900 transactions using Pandas and PostgreSQL, then visualised findings in an interactive Power BI dashboard. The analysis informed recommendations for customer targeting and product mix.

For an order-to-cash analytics project, I engineered 22 features from 10,000 records across three sources and validated the resulting dataset. I tested an assumed quarter-end volume spike, reconciled records initially considered noise, and shared findings and costed recommendations in a report and dashboard.
```

## Experience

### LLM Post-Training Intern

Ethara AI. Apr 2026 - May 2026

```text
Built and curated training datasets for LLM post-training workflows, preparing, cleaning, and structuring data. Evaluated model outputs against defined criteria and used Python and SQL on large-scale training data to surface recurring failure patterns and data-quality issues.
```

Skills: Python, SQL, LLM, Data-Preparation, Data-Cleaning, Model-Evaluation, Prompt-Engineering

## Education

### Madhav Institute of Technology and Science

Bachelor of Technology, Mathematics and Computing. 2023 - Present

```text
Pursuing a Bachelor of Technology in Mathematics and Computing, with relevant coursework in probability and statistics, linear algebra, optimisation, machine learning, and data structures.
```

### IIT Guwahati

Credit-Linked Course, Data Science. 2025 - 2026

```text
Completed a credit-linked Data Science course from IIT Guwahati from January 2025 to January 2026.
```

### Deloitte

Job Simulation, Data Analytics

```text
Completed a Data Analytics Job Simulation from Deloitte in June 2026.
```

## Tech stack

- GitHub
- Jupyter
- NumPy
- Pandas
- PostgreSQL
- Python
- scikit-learn
- Git
- SQL
- Seaborn
- Matplotlib
- Power BI
- Power Query

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

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