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Data Engineer Interview Questions
Data Engineer Interview Questions
Le data engineer est un professionnel de l’informatique présent dans presque tous les secteurs. Il/Elle suit l’évolution et les tendances des données pour orienter les stratégies futures de l’entreprise. Une part essentielle de son travail consiste à transformer des données brutes en données exploitables en créant des pipelines et des systèmes de données.
Questions d'entretien d'embauche fréquentes pour un data engineer (H/F) et comment y répondre
Question 1 : Décrivez en détail votre niveau d’expertise en langage de programmation.
Question 2 : Expliquez selon vous en quoi consiste le data engineering.
Question 3 : Quelle est votre expérience en gestion de données dans le cloud et avec Apache Hadoop ?
20,188 data engineer interview questions shared by candidates
private static Map<String, Integer> namesToNumPurchases = new HashMap<String, Integer>() {{ put("Chris", 10); put("Bob", 5); put("David", 5); put("Sue", 12); put("Jim", 3); }}; /* Required output: 3: Jim 5: Bob, David 10: Chris 12: Sue */
difference between Python and Scala
basic Java, Databases and datawarehousing, UNIX questions
Given a grid of size n, in how many moves you can reach from lower-left corner to upper-right corner?
Do you know Python, c++, have you have experience with GPS, are you available for a clearance?
Build out the architecture to go from a stream of user-level event data on their devices to time-aggregatable metrics in a dashboard.
Asked by the interviewer a "Data Engineer" to join 2 tables together to label start/end of a track play , only when I proposed a working solution he diverted me to another solution that he had in mind all along, thinking it was better as it didn't require window functions, but it did require them. He just didn't know they are called window functions. Admittedly, the "Data Engineer" said he hasn't worked on spark in a while, and is quite junior.
Resume Questions
Implement a sampling function with nominal distribution.
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