🌍Competitive Data Scientist (Kaggle), Remote- Contract

Xperteez Technology•,
•$60 - $120•Remote

About The Position

We’re looking for data scientists, machine learning practitioners, and applied mathematics experts with competitive data science experience, such as Kaggle or DrivenData. You’ll draw on your competition experience, mathematical reasoning, and programming skills to create tasks that require more than a plausible answer. Each task should have a reproducible environment, a verified reference solution, and reliable checks for successful completion. This is a global, fully remote contract role for approximately 15 hours per week, with a flexible schedule. You choose the hours and days you work, including weekends if desired.

Requirements

  • Demonstrated experience in data science, machine learning, quantitative modeling, or relevant research competitions such as Kaggle or DrivenData.
  • Strong problem-solving ability and a clear understanding of the methods used.
  • Practical programming ability sufficient to implement and verify your own solutions.
  • Skills in ML engineering, data science, mathematics, and coding.

Nice To Haves

  • Strong coding experience, particularly in Python, including testing, debugging, and working with unfamiliar code.

Responsibilities

  • Build reproducible environments, prepare relevant data and dependencies, and implement reference solutions.
  • Develop tests and evaluation criteria that reliably distinguish correct solutions from incomplete or flawed approaches.
  • Run coding agents against tasks, investigate their failures, and refine tasks based on observed behavior.
  • Identify implementation errors, flawed assumptions, data leakage, and other issues that affect correctness.
  • Document task requirements, solution reasoning, and verification steps clearly.
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