The interview process takes 2-4 weeks on average.

• Stage 1: Initial phone screen by HR.
  
• Stage 2: Up to 4 phone interviews with technical recruiters and data scientists.
  
• Stage 3: A take home assignment where the candidate is asked to analyze a data set
  
• Stage 4: An onsite interview which includes a coding session, an interview focused on probability/statistics, two interviews focused on machine learning, and a presentation where the candidate presents their work on the take home assignment.

• Q 1: How would you build a classifier to predict the outcome of NFL games in real time.
• Q 2: Explain decision trees and random forests
• Q 3: Explain SQL group by, nested select and window functions
• Q 4: Assumptions and violations of K-means clustering
• Q 5: How would you decide on a feature selection for Document classification
• Q 6: How would you construct a basic recommendation system?
• Q 7: Given a data set calculate attrition and churn
• Q 8: Tell me about a time you leveraged data science techniques to add value.
• Q 9: What is the computational complexity of finding the most frequent word in a document?

Our mission is to help our customers transform themselves into 'customer companies' by empowering them to connect with their customers, partners, employees and product s in entirely new ways. Our objective is to deliver solutions to help companies transform the way they sell, service, market and innovate.

We believe that the business of business is to improve the state of the world, and we work to make sure Salesforce is a platform for change through serving the interests of all our stakeholders employees, customers, partners, communities and the environment. We're working to play a meaningful role in creating a sustainable, low-carbon future by: - Working toward 100 percent renewable energy for our global operations- Continuing to deliver our customers a carbon neutral cloud and operate as a net-zero greenhouse gas emissions company - Pursuing green building certification and other innovative green office initiatives - Leveraging our people, technology and resources to help environmental causes around the world When it comes to protecting our planet and combating climate change, we know that companies have a key role to play. We aspire to never settle for the status quo. At every turn, we look to innovate, taking bold action and paving the way for others to join us.