Junior Data Scientist

Koin

Junior Data Scientist supporting machine learning models and credit strategies at Koin. Collaborating on analytics projects delivering insights for financial innovation in Latin America.

Posted 5/19/2026full-timeSão Paulo • 🇧🇷 BrazilJuniorWebsite

Tech Stack

Tools & technologies

PandasPythonScikit-LearnSQL

About the role

Key responsibilities & impact

Support the development, training and validation of machine learning models applied to credit risk.
Participate in analytical projects, helping the team ensure deliveries meet deadlines and quality standards.
Assist in translating and implementing models into credit strategies.
Perform continuous tracking and monitoring of Machine Learning model performance.

Requirements

What you’ll need

Practical knowledge or initial experience (including internships, academic projects, or portfolio) in querying SQL databases.
Knowledge of Python applied to Machine Learning and data analysis (e.g., Pandas, Scikit-learn).
Solid understanding of statistical and data analysis concepts.

Benefits

Comp & perks

Life insurance
Health and dental insurance
Transportation allowance
Meal (VR) and food (VA) vouchers
Childcare assistance
Extended parental leave
TotalPass or Wellhub
WFA (Work From Anywhere)
Travel discounts on Decolar.com
Golden Farma benefits
Work-from-home allowance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

machine learningSQLPythonPandasScikit-learnstatistical analysisdata analysis

Soft Skills

analytical skillstime managementquality assurance