Skip to content
MercuryMercury

Senior Data Scientist

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.

About the job

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.

Skills

Python, SQL, Machine Learning, Statistical Modeling, Fraud Detection, Model Deployment, Model Monitoring, Data Pipelines, ETL, dbt, LLMs, Generative AI, Model Governance

Airbnb

Airbnb

United States

Lead, Advanced Analytics, Acquisition
$164k+/yrRemote8+ YOEData Science

Lead advanced analytics for host acquisition at Airbnb, driving data analysis, metric definition, experimentation, and strategic insights to support growth initiatives.

Postman

Postman

San Francisco, CA

Senior Demand Generation Manager
$150k+/yrOn-site7+ YOEData Science

Leads content-driven digital demand generation programs that create and accelerate B2B SaaS pipeline across PLG and SLG motions. Requires 7+ years of digital, content, or demand generation experience and strong sales partnership, campaign, automation, and attribution expertise.

Deepgram

Deepgram

United States

Senior Data Scientist, Data Flywheel
$165k+/yrRemote5+ YOEData Science

Senior Data Scientist who will characterize conversational audio data, build active-learning and human-in-the-loop systems, and develop repeatable model-improvement pipelines. The role requires strong Python and data-pipeline experience, familiarity with speech or NLP models, and the ability to turn ambiguous data problems into measurable gains.

Square

Square

Seattle, WA
Senior Data Scientist, Risk and Support
$168k+/yrRemote12+ YOEData Science

Leads data science for Support and Risk Operations by developing measurement systems, experiments, forecasts, and decision frameworks. Requires advanced SQL, strong statistical and product judgment, AI-assisted analytical workflows, and 6–8+ years with a graduate degree or 12+ years with a bachelor’s degree.

Imprint

Imprint

New York, NY
Senior Data Scientist
$170k+/yrHybrid5+ YOEData Science

The role delivers data science projects spanning predictive modeling, experimentation, causal analysis, and AI-powered workflows to improve product, marketing, and partner outcomes. It requires 4–7+ years of quantitative experience, strong Python and SQL skills, and the ability to communicate insights across technical and business teams.