# Data Scientist - Fraud Detection

**Company:** [DataVisor](https://hotfix.jobs/companies/datavisor)
**Location:** Mountain View, CA
**Role:** Data Science
**Experience:** 0+ years
**Skills:** Python, NumPy, pandas, scikit-learn, TensorFlow, PyTorch, SQL, Machine Learning, Anomaly Detection, Spark, Hadoop, Dask, Graph-Based Fraud Detection, AWS, GCP
**Posted:** 2026-08-27

> Entry-level data scientist developing machine learning models and analytical methods to detect fraud, assess risk, and uncover patterns in large transactional datasets. Requires a master’s degree, strong Python and SQL skills, and knowledge of supervised and unsupervised learning.

## Job Description

## Responsibilities
- Develop and deploy machine learning models for fraud detection and risk assessment.
- Perform exploratory data analysis to identify trends, anomalies, and patterns in transactional data.
- Clean, preprocess, and analyze large datasets using Python and data science libraries.
- Collaborate with engineering and business teams to integrate machine learning models into production systems.
- Monitor model performance and refine algorithms to improve accuracy.
- Stay current with advances in fraud detection techniques and machine learning technologies.

## Requirements
- Master’s degree in Computer Science, Data Science, Statistics, or a related quantitative field.
- Strong Python programming skills and familiarity with NumPy, Pandas, and scikit-learn.
- Solid understanding of supervised and unsupervised learning, anomaly detection, and classification.
- Experience with SQL and data manipulation or analysis across large datasets.
- Strong problem-solving skills and persistence with deep-dive data exploration.
- Excellent communication skills and ability to work collaboratively.

## Nice-to-haves
- Ph.D. in a relevant field.
- TensorFlow or PyTorch experience.
- Prior internship or project experience in fraud modeling or risk analysis.
- Familiarity with Spark, Hadoop, or Dask.
- Knowledge of graph-based fraud detection techniques.
- Experience with AWS, Google Cloud, or Azure.

## Compensation and Benefits
- PTO
- Stock options
- Health benefits

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