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Data Engineer Interview Questions

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Data Engineer Interview Questions

I Data engineer sono professionisti informatici richiesti pressoché in tutti i settori. Si occupano di monitorare i trend dei dati per pianificare le azioni più adeguate che un'azienda deve intraprendere. Uno degli aspetti più critici del lavoro di un Data engineer è l'elaborazione dei dati grezzi e la loro trasformazione in dati utilizzabili per creare pipeline e sistemi di dati.

Domande tipiche dei colloqui per Data engineer e come rispondere

Question 1

Domanda 1: Puoi descrivere in dettaglio il tuo livello di competenza nell'ambito dei linguaggi di programmazione?

How to answer
Come rispondere: Prima del colloquio, ripassa il tuo CV e/o portfolio e stila un elenco dei programmi che conosci meglio. Se scopri di non avere una buona conoscenza del programma usato in prevalenza nell'azienda, descrivi te stesso come una persona intraprendente e altamente motivata, che si impegnerà senza sosta per imparare a usare il programma.
Question 2

Domanda 2: Spiega a parole tue che cos’è il data engineering.

How to answer
Come rispondere: Analizza il tuo ruolo in relazione all'azienda e ad altri ruoli quali il data scientist, così da definire in modo chiaro il tuo contributo al sistema aziendale nel suo complesso. Spiega la differenza tra il ruolo di un ingegnere che lavora ai database e quello di un ingegnere che si occupa di pipeline.
Question 3

Domanda 3: Puoi descrivere un'esperienza lavorativa con Apache Hadoop e in ambienti di gestione dei dati nel cloud?

How to answer
Come rispondere: Per prepararti a questa domanda, fai le dovute ricerche sul software utilizzato dall'azienda, sui prodotti cloud per i dati e sull'uso di Apache Hadoop. I Data engineer devono avere un'ottima padronanza dei linguaggi di programmazione e dei sistemi di gestione dei dati utilizzati nel settore, quali Apache Hadoop.

20,235 data engineer interview questions shared by candidates

Python- 1. WAP to eliminate vowels in input string. 2. WAP to print "aaabbbbcccc". input - 'a3b4c4' SQL- 1. rank/dense_rank/row_num - state difference and explain with a real life example. 2. Input Table C1 | c2 1 | India 2 | Aus 3 | Pak 4 | SL OutPut India | Aus India | Pak India | SL Aus | Pak Aus | SL Pak | SL Big Data :- 1. Diff between Parquet/Avro/ORC/CSV 2. Hive partitioning vs bucketing 3. How data is stored in AWS S3 ? 4. Types of Spark modes (cluster/client) 5. Types of cluster managers (YARN/Mesos/ Kubernetes/Local/Standalone)
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Data Engineer

Interviewed at Netcracker Technology

3.5★
Aug 19, 2022

Python- 1. WAP to eliminate vowels in input string. 2. WAP to print "aaabbbbcccc". input - 'a3b4c4' SQL- 1. rank/dense_rank/row_num - state difference and explain with a real life example. 2. Input Table C1 | c2 1 | India 2 | Aus 3 | Pak 4 | SL OutPut India | Aus India | Pak India | SL Aus | Pak Aus | SL Pak | SL Big Data :- 1. Diff between Parquet/Avro/ORC/CSV 2. Hive partitioning vs bucketing 3. How data is stored in AWS S3 ? 4. Types of Spark modes (cluster/client) 5. Types of cluster managers (YARN/Mesos/ Kubernetes/Local/Standalone)

The most involved part was in deciding how to rate top restaurants with a given data table of yelp reviews. This was not terribly difficult, but did take a small bit of thought and a fair bit of know how for manipulating the dataframe
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Senior Data Engineer

Interviewed at SemanticBits

4.5★
Mar 31, 2022

The most involved part was in deciding how to rate top restaurants with a given data table of yelp reviews. This was not terribly difficult, but did take a small bit of thought and a fair bit of know how for manipulating the dataframe

Just follow the briefings and you can ask questions when I am through, also let me know when you are done reading and understanding every line. Clear? Q1: What type of job(s) have you had? How did you get your previous job(s)? Q2: What were your main Responsibilities and Achievements in your previous jobs? Q3: Can you work under stress and pressure? Q4: Are you currently employed? Q5: How would you like to be Paid? Direct deposit or Check? Q6: How would you describe yourself? I was asked what bank I use as well....
avatar

Sr Data Engineer

Interviewed at Zuora

3.5★
Mar 31, 2022

Just follow the briefings and you can ask questions when I am through, also let me know when you are done reading and understanding every line. Clear? Q1: What type of job(s) have you had? How did you get your previous job(s)? Q2: What were your main Responsibilities and Achievements in your previous jobs? Q3: Can you work under stress and pressure? Q4: Are you currently employed? Q5: How would you like to be Paid? Direct deposit or Check? Q6: How would you describe yourself? I was asked what bank I use as well....

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