Senior Data Scientist

Company Name: Visa
Location: Mountain View, CA
Date Posted: 24th May, 2016

- Devise and implement methods for adaptive learning with controls on effectiveness, methods for explaining model decisions where necessary, model validation, A/B testing of models
- Create predictive models for consumer behavior using any and all data available in our clusters
- Experiment with in-house and third party data sets to test hypotheses on relevance and value of data to business problems
- Work with business stakeholders to aid with data driven business decisions
- Work with engineering to implement predictive models in production environment
- Work with data and analytics team to drive availability of relevant data, tools, and infrastructure


- MS/PhD in Computer Science, Operations Research, Statistics or highly quantitative field (or equivalent experience) with strength in Machine Learning, Data Mining, Statistical or other mathematical analysis
- Hands-on experience with predictive problems using techniques such as logistic regression, Naïve Bayes, SVM, decision trees, or neural networks.
- Expert in creating accurate models using machine-learning libraries in Python/R/Matlab or a language of your choosing
- Experience working with Hadoop, MapReduce, Pig, Hive, Spark and/or Mlib
- Experience working with relational databases like MySQL
- Strong verbal and written communication skills