Jobs · Engineering · California

Data Scientist

Mastercard · San Francisco, CA · 2 days ago
HybridEngineering$138k–$221k/yrFull-time

About The Role

We are looking for a Data Scientist with a strong foundation in both data science and data engineering. This role requires someone who can not only build predictive models but also design, develop, and maintain scalable data pipelines and infrastructure. You will work cross-functionally to turn data into actionable insights and production-ready solutions.

Responsibilities

  • Develop, validate, and deploy machine learning models for business use cases
  • Perform exploratory data analysis (EDA) to uncover trends, patterns, and insights
  • Apply statistical techniques to solve complex business problems
  • Communicate findings clearly to stakeholders using visualizations and reports
  • Design and run A/B tests and experiments
  • Build and maintain scalable data pipelines (ETL/ELT)
  • Work with large datasets in distributed environments
  • Ensure data quality, integrity, and reliability across systems
  • Optimize data workflows and processing performance
  • Partner with product, engineering, and business teams to define data-driven solutions
  • Translate business requirements into technical implementations
  • Deploy models into production and monitor their performance
  • Contribute to best practices in documentation, and reproducibility

Qualifications

  • Bachelor's or Master's degree in Computer Science, Data Science, Statistics, or related field
  • Multiple years of professional experience in data science and/or data engineering roles
  • Strong programming skills in SQL and Python is required
  • Hands-on experience with traditional machine learning frameworks (e.g., scikit-learn, TensorFlow, PyTorch)
  • Experience building data pipelines using tools like Airflow and Spark
  • Solid understanding of statistics and probability

Skills

  • Machine Learning & Statistical Modeling
  • Data Engineering & Pipeline Development
  • SQL & Data Manipulation
  • Cloud & Big Data Technologies (Spark, Hadoop)
  • Problem-solving and critical thinking
  • Strong communication skills

Pay

San Francisco, California: $138,000 - $221,000 USD

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