Machine Learning Specialist Interview Experience - India
Process
One coding round followed by two technical rounds.
The coding round involved questions on data manipulation using SQL and Python.
The technical rounds included discussions on past experience and ML depth and breadth. For example.
How does the XGBoost classifier work, step by step.
Questions
SQL:
- Joins
- Window functions
Python:
- New column assignment
- String and list manipulations
How does XGBoost work?
- Step-by-step process with example
How to represent categorical columns with high cardinality?
How can embeddings be generated?
How might an encoder-decoder help in this?
How to find the presence of multicollinearity in data?
What is the chi-square test of independence?
How to handle imbalanced classification?
Why is PR AUC better suited to such cases than ROC AUC?
How to handle a large number of classes in multiclass classification?
What is negative sampling and how does it help in such scenarios?
Was this helpful?
Interview Statistics
The following metrics were computed from 1 interview experience for the PayPal Machine Learning Specialist role in India.
Success Rate
PayPal's interview process for their Machine Learning Specialist roles in India is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very good feelings for PayPal's Machine Learning Specialist interview process in India.
PayPal Work Experiences
- 5.0Pretty good companySoftware Intern • Current EmployeeBhetasi Ba Bhag, IndiaAugust 14, 2020Pros: They give decent pay for an internship.Cons: You cannot choose projects based on your preference.
- 5.0Project Ownership, Little MentorshipSoftware Developer Intern • Current EmployeeNovember 1, 2023Pros: My team let me run a whole project as an intern, and while it could have backfired easily with me screwing things up, I just continuously followed up and got them done, and so everyone was happy.Cons: I would have loved some more personal mentorship.
- 4.0Great Office, Feeling MinoritySoftware Engineer II • Current EmployeeAustin, Texas, United StatesApril 19, 2023Pros: Nice office, great co-workers, and free drinks and snacks make me like to go onsite to work.Cons: It's like 95% of the workers are Indian in the Austin office so whenever I went to the office, it feels like I am the minority.
PayPal Interview Questions
