How do you troubleshoot if something is wrong in production?
Senior Data Scientist Interview Questions
3,397 senior data scientist interview questions shared by candidates
Find the longest common prefix out of three words: For instance, parachute, party and pareto, the common prefix would be "par"
coding around python list and dict. Question related to basic data cleaning and feature engineering. Explain various machine learning algorithms used for classification. Metrics to evaluate a model PCA
Personal Experience questions: background and soft skills
1. End to end data design task including classification and anomaly detection. Focus was heavily oriented towards metric specification and detecting anomalies. 2. 5 values based questions, including one about colleague trust, another about weighing up costs when designing a data pipeline, and another about stakeholder engagement.
1st round: medium level data manipulation, wrangling 2nd round: probability, maths based coding, complex algorithm questions. 3rd round: Extremely vague system design. I was given computer vision based system design which I did 5 years back.
What is correlation? Logistic Regression cost function and assumptions? Entropy and Information gain ? In final rounds they ask normal behavioural questions on how will you handle conflict with peer and manager etc.
Joining multiple datasets to get to an answer
Basic and advanced questions on Data Science and Machine Learning
1-hour technical presentation, 1-hour technical challenge by explaining take-home quiz, a 1-hour Astrazeneca value interview, and a 2-hour technical test. The whole face-to-face interview took 6 and 1/2 hours.
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