Phone Interviews - covered by other interviews on glassdoor Onsite - 3 full stack interviews and 1 lunch interview - focus on the material given by recruiter.
Data Engineer Interview Questions
18,677 data engineer interview questions shared by candidates
Big Data questions(data warehousing concepts) and a java program on LinkedList
Given an array, increment any duplicate values until every element is unique. Return the minimum sum of elements for the unique array.
how to check if a linked list is a palindrome.
SQL: 1. given table products(product_id, brand_name,product_name, product_price), find brand_names with avg price > 3 and having more then 5 products 2.given table sales (sale_id, promotion_id, sale_amount, other columns), find % of how sales with promotions ( promotion_id is null) are doing in comparison to all sales. Coding(Java): 1. find avg word length in a sentence 2. ip address validation 3. Friends problem [[A,B], [B,D],[E]...] ( List of lists);
3 SQL questions. 3 Python coding questions.
Given a purchase table(user, purchase_time, amount_of_money, level1_category, level2_category), write a sql query to find the customer purchase in continue 7 days and with the total money greater than 500
Python: Count words, Count substring, Separate list of lists, Random number generator.
If you take 3 subsequent number (n, n+1, n+2) and know, that n and n+2 are prime numbers, can you proove, that n+1 is always dividable by 6?
Questions on the video call were technical, but basic. 1. What are ACID properties 2. What are indexes 3. What is the difference between Stored Procedures, Functions and Triggers 4. BASE properties 5. JVM, JRE, JDK and JIT 6. What are common table expressions 7. Difference between throw and throws in java 8. What is the difference between Clustered and non clustered index
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