8020REI

Senior Data Scientist

8020REI

full-time

Posted on:

Location Type: Remote

Location: Colombia

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Job Level

Senior

Tech Stack

NoSQLNumpyPandasPySparkPythonScikit-LearnSQL

About the role

  • Lead the full development cycle of machine learning models, from prototyping and feature engineering to validation and deployment, ensuring scalable and production-ready solutions.
  • Apply statistical techniques such as A/B testing and back-testing, especially in imbalanced classification problems where precision and recall are critical.
  • Support strategic initiatives such as detecting property undervaluation, process automation, and the creation of predictive tools for new business verticals.
  • Translate complex findings into clear, actionable insights, delivering results to technical and non-technical audiences, including C-level stakeholders.
  • Act as mentor and technical guide for the Data Science team, reviewing code, setting standards, and fostering a collaborative, high-performing culture.

Requirements

  • 5+ years of experience delivering end-to-end machine learning solutions in production environments.
  • Bachelor’s degree in Computer Science, Statistics, Mathematics, or a related field.
  • A Master’s degree is a plus.
  • Advanced Python skills; proficient with Pandas, NumPy, scikit-learn, and Jupyter.
  • Strong hands-on PySpark and distributed data processing.
  • Strong understanding of supervised/unsupervised learning, deep learning, and ensemble methods.
  • Solid grounding in statistics, with real-world experience in imbalanced datasets.
  • Skilled in SQL; familiar with NoSQL systems.
  • Experience building visualizations and BI tools.
  • Proven ability to mentor and support junior team members.
  • Strong analytical thinking and problem-solving mindset.
  • Fluent in English; able to communicate assertively in technical and leadership contexts.
  • Confident presenter with experience addressing executives and cross-functional teams.
Benefits
  • Competitive Base Compensation
  • Performance Bonus
  • Flex PTO (up to 26 days per year)
  • Home Office Upgrade Bonus
  • Health Bonus
  • Full-time Remote Work Opportunity for growth and team-building potential
  • Ongoing support and budget to develop new skills
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningA/B testingback-testingfeature engineeringPythonPandasNumPyscikit-learnPySparkSQL
Soft Skills
mentoringanalytical thinkingproblem-solvingcommunicationpresentation skillscollaborationleadership