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Santander

Global retail and commercial banking group

Junior Data Scientist

Applied Machine LearningConfirmed live in the last 24 hours
Full-timeBuenos Aires, ArgentinaNo salary listed

About the Job

Requirements

  • Be an advanced student or graduate of an undergraduate degree program related to Data Science, such as Statistics, Exact Sciences (mathematics or data science), Engineering, Economics, or another program with quantitative or statistical analysis studies.
  • Have knowledge of Python applicable to data analysis.
  • Have knowledge of SQL.

Responsibilities

  • Participate in data, advanced analytics, and artificial intelligence initiatives, from understanding the problem through solution implementation and follow-up.
  • Collaborate to translate business needs into concrete analytical problems, participating in analysis, experimentation, and evaluation of alternatives.
  • Work with business, technology, and data teams.
  • Participate in implementation, validation, monitoring, and evolution of models and analytical solutions.
  • Apply good practices for documentation, quality, reproducibility, and risk management.
  • Explore new Data Science and AI tools, technologies, and approaches, and evaluate their application to specific problems.

Desired Qualifications

  • Have prior experience in Data Science, AI, or Machine Learning projects.
  • Have a postgraduate degree at Master's level or higher related to Data Science.
  • Have knowledge of Machine Learning libraries such as Scikit-Learn, XGBoost, and Deep Learning frameworks such as PyTorch, or other machine learning tools.
  • Have knowledge of Spark for ETL.
  • Have knowledge of AWS services including SageMaker, Lambda, SNS, and Bedrock.
  • Have experience with AI tools such as AWS Bedrock and Claude, and techniques including prompting, guardrails, and RAG.
  • Have experience with AI development tools, including IDEs such as Cursor and Devin.
  • Have knowledge of Airflow.
  • Have knowledge of Git, such as GitHub.
  • Have experience implementing production models in batch or real-time settings.
  • Have experience monitoring models for variable drift and performance.
  • Have experience validating models using cross-validation and assessing leakage and bias/variance.
  • Have curiosity and willingness to learn new technologies and methodologies.
  • Have analytical ability and critical thinking to develop solutions that impact business areas.
  • Have project presentation skills for technical and business results, storytelling, and clearly communicating analyses, results, and conclusions.
  • Have English language skills.

About the Company

Santander

Global retail and commercial banking group

Santander is a global bank focusing on retail and commercial banking in Europe and the Americas, serving individuals and SMEs with regional franchises and a broad consumer finance arm, plus a Corporate & Investment Banking division for multinational clients. It uses its Gravity cloud platform to migrate core banking and rapidly deploy digital services such as Openbank across markets, combining fintech-style agility with a bank's balance sheet. The bank differentiates itself by marrying a large retail footprint with global CIB capabilities under the One Santander verticals model to boost efficiency and cross-border revenue. Its goals include improving returns on tangible equity and financing the green economy through sustainable finance and renewable energy projects.

Company size
10,001+
Company stage
IPO
Headquarters
Boadilla del Monte, Spain
Founded
1902

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