TEKsystems Senior Data Engineer Interview Questions and Answers

1 hour, in your platform of choice. Must know OOPS concepts, TDD, Debugging, SOLID principles

• Q1. Create spark dataframe
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Coding test conducted in virtual session - you need share the entire screen (google meet). Interviewer share about 12 questions, in 10 are theory based questions and 2 coding questions.
while writing theory try to answer with real time example from your project.
1. Solid principles 2 design patterns used 3 diff between .net core vs .net 4. garbage collection 5. global exception handling in core 5. performance / monitoring related questions

coding questions: 1. Nth max value without sorting. 2. sum of max sub array in a integer array

• Q1. Skills, project explanation, unit testing, code review
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• Q2. Usage of dependency injection in core along with types
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• Q3. Usage of Middleware along with custom middleware
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• Q4. Authentication and authorization in web api core
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• Q1. What are joins and its type
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• Q2. Tell me about Dax query
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Occurrence of the elements in descending order.

• Q1. Design question on projects
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• Q1. Offer discussion
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• Q1. Linux , puzzle, simple programs l
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• Q1. About me and about my previous work
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• Q1. Basic questions on opps, c#, asp. Net and angular, sql
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• Q1. Deep discussion on oops, angular, c# and sql. Like writing some queries and oops concepts syntax writing on notepad
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• Q1. Basic discussion on my projects and they explain their projects and methodology they follows. Their day to day tasks
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Basics of Statics and also verbal

Data structures and algorithms trees

• Q1. Tell me about yourself
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• Q2. Previous experience questions
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