Jr. Data Engineer Intern Interview Experience
Summary
I applied for a Junior Data Engineer Intern position at BlueCopa, went through an online assessment, and then a 2-hour technical interview covering OOPs, SQL, DSA, and project-related questions, which...
Interview Experience
I applied for the Junior Data Engineer Intern position at BlueCopa via LinkedIn. After about a week, I received a shortlisting mail containing details about the position, location, and stipend. The hiring process consisted of three rounds: Resume Shortlisting Online Assessment Interview Round 1...
Interview Questions (17)
Fibonacci Number
EasyData Structures & AlgorithmsReverse a Linked List
EasyData Structures & AlgorithmsFind Maximum and Second Maximum in an Array
EasyData Structures & AlgorithmsOOPs: Four Pillars
OtherOOPs: Overriding vs Overloading
OtherOOPs: Abstract Classes vs Interfaces
OtherSQL: GROUP BY Clause
OtherSQL: Different Types of JOINs
OtherSQL: HAVING vs WHERE
OtherSQL: Indexing
OtherSQL: Normalization
OtherSQL: Table Operations
OtherLongest Consecutive Sequence
HardData Structures & AlgorithmsReverse Words in a String
MediumData Structures & AlgorithmsValid Anagram
EasyData Structures & AlgorithmsMove Zeroes to End (Variation)
MediumData Structures & AlgorithmsJava: JDK vs JRE
OtherPreparation Tips
I reached out to a few current interns to get an idea of the interview process. They mentioned that the questions were mostly based on SQL, Python, and some basic coding problems like: Fibonacci number, Reverse a linked list, Find the maximum and second maximum in an array. So, I felt confident that...
