CoinDCX

2022-23 · unknown

1. 1

   Technical interview

   Round 1: resume plus basic DSA, SQL and discussion
   easy

   resume · binary search · hashmap vs BST · SQL nth highest value · recommendation systems · Spark basics

   Questions on a short big-data course on the resume (Hadoop, Spark).

2. 2

   Technical interview

   Round 2: projects plus two coding questions
   2 questions

   arrays · duplicates · product triplet search · big-data course

   Code run against test cases.

3. 3

   HR interview

   HR round

   common HR questions

Advice from candidates

3 pieces of advice, in their own words. Names removed.

• They don’t want you to master DSA or CP.

  preparation · 2022-23

• So if you go through the top 50 HR question from interviewbit or anywhere. It would be more than enough.

  HR · 2022-23

• Current sem big data analytics using Apache Hadoop and spark short course offered, it was perfect for data engineer job role. That was the only standout point for me.

  general · 2022-23

Question patterns reported

The kind of problem, not the problem itself. Our practice questions are written to match these patterns.

• Technicalnth highest salary query written in a text editor
• Technicalfind duplicate elements in array
• Technicalfind triplet with given product