Lead Data Scientist

 

Description:

Data Scientist

Role Responsibilities
 

  • Analyze large, complex datasets to uncover patterns and inform modeling direction.
  • Build predictive models, statistical analyses, and machine learning pipelines across various data types.
  • Design and implement robust validation strategies and analytical methodologies.
  • Develop automated data workflows and reproducible research environments.
  • Conduct exploratory data analysis and model-driven investigations to support teams.
  • Collaborate with ML engineers to productionize models and ensure reliable data workflows.
     

Qualifications

Must-Have
 

  • Kaggle Competitions Grandmaster or comparable achievement.
  • 3–5+ years of experience in data science or applied analytics.
  • Strong proficiency in Python and data tools (Pandas, NumPy, Polars, scikit-learn).
  • Experience building ML models end-to-end.
  • Solid understanding of statistical methods and experiment design.
  • Familiarity with modern data stacks: SQL, distributed datasets, dashboards, and experiment tracking tools.
  • Excellent communication skills.
     

Preferred
 

  • Strong contributions across multiple Kaggle tracks.
  • Experience in an AI lab, fintech, product analytics, or ML-focused organization.
  • Knowledge of LLMs, embeddings, and modern ML techniques.
  • Experience with big data ecosystems (Spark, Ray, Snowflake, BigQuery).
  • Familiarity with statistical modeling frameworks such as Bayesian methods.

Organization Mercor
Industry IT / Telecom / Software Jobs
Occupational Category Lead Data Scientist
Job Location Montreal,Canada
Shift Type Morning
Job Type Full Time
Gender No Preference
Career Level Experienced Professional
Experience 3 Years
Posted at 2026-03-01 3:10 pm
Expires on 2026-04-15