# Senior Data Scientist

**Company:** [Mercury](https://hotfix.jobs/companies/mercury)
**Location:** Remote
**Role:** Data Science
**Salary:** $157k – $251k/yr
**Experience:** 5+ years
**Skills:** Python, SQL, Machine Learning, Statistical Modeling, Fraud Detection, Model Deployment, Model Monitoring, Data Pipelines, ETL, dbt, LLMs, Generative AI, Model Governance
**Posted:** 2026-09-02

> Develop and deploy machine learning models for real-time fraud detection and financial crime risk, while improving data quality, monitoring, and production reliability. Requires 5+ years working with large datasets, 3+ years of ML experience, and strong Python and SQL skills.

## Job Description

## Responsibilities
- Build, validate, and deploy machine learning models to identify and prevent fraud in real time.
- Improve model reproducibility and robustness through documentation, testing, and monitoring.
- Ensure data quality and reliability across pipelines and tools.
- Collaborate with Risk Strategy to develop model inputs and applications.
- Partner with Engineering to optimize model deployment and observability.

## Requirements
- 5+ years of experience working with and analyzing large datasets to solve problems and drive impact.
- 3+ years of machine learning experience.
- Proficiency in SQL and experience understanding and managing imperfect data.
- Proficiency in Python, statistical modeling, and machine learning.
- Experience deploying and monitoring machine learning models in production.
- Comfort working in a fast-paced environment with evolving priorities.

## Nice-to-haves
- 1+ years of relevant risk experience.
- Familiarity with large language models or other generative AI and their applications to risk or fraud detection.
- Experience with modern data pipeline and ETL tools, such as dbt.
- Experience with model governance in finance or other regulated industries.
- Experience building zero-to-one solutions in ambiguous or greenfield problem spaces.

## Compensation
- US employees: $166,600–$250,900 USD base salary, plus equity and benefits.
- Canadian employees: $157,400–$237,100 CAD base salary, plus equity and benefits.

## Similar jobs

- [Lead, Advanced Analytics, Acquisition](https://hotfix.jobs/jobs/eeb45abf-cdbf-4e49-ba93-0fd0d1a59e2c) - Airbnb - Remote - $164k – $191k/yr
- [Senior Demand Generation Manager](https://hotfix.jobs/jobs/c9783ea4-3120-4b39-baea-cfa1a617946b) - Postman - San Francisco, CA - $150k – $180k/yr
- [Senior Data Scientist, Data Flywheel](https://hotfix.jobs/jobs/6e9f6db0-891c-4d83-8fe7-d354a0036863) - Deepgram - Remote - $165k – $220k/yr
- [Senior Data Scientist, Risk and Support](https://hotfix.jobs/jobs/3a233707-7146-45b6-b6bc-c31731150278) - Square - Remote - $168k – $297k/yr
- [Senior Data Scientist](https://hotfix.jobs/jobs/75278935-e8c0-4ead-a556-4524a842c44c) - Imprint - New York, NY - $170k – $200k/yr

**Apply:** https://hotfix.jobs/jobs/961a1f66-7659-4801-a177-1f3086884f49
**Canonical:** https://hotfix.jobs/jobs/961a1f66-7659-4801-a177-1f3086884f49