Energy Exemplar Interview Process
Round 1: Online Test
- Format: Multiple-choice questions (30) and DSA problems (3)
- Platform: DoSelect
- Duration: 2 hours
Round 2: Aptitude Test
- Format: Multiple-choice questions (30)
- Mode: Pen & Paper
- Duration: 30 mins
- Topics: Work & Time, Ratio & Proportion, Age, Probability, Percentages, Profit & Loss, Interest, Clocks, Pipes & Cisterns, Trains, Speed & Distance etc.
Round 3: In Person Technical (1-to-1) [45 mins]
- Tell me about yourself
- Working & Implementation of Blockchain Technology
(Note: “Blockchain” mentioned on resume)
- SQL Query:
- Given 2 relations: Customers & Orders, find all Customers who have not placed an order since past 3 months.
- DSA Problems:
- Given an array of numbers and a target number, find 3 numbers such that their sum is closest to the target.
- Given an array consisting of numbers and nested arrays, flatten it and return the resultant array.
Round 3: In Person Technical (1-to-1) [45 mins]
- Tell me about yourself
- Internship Project
- Architecture
- Website & Data Flow
- Code
- Optimization
- Internal working of JS methods used in project
- Personal Projects briefing
Round 3: In Person Technical (1-to-1) [45 mins]
- Tell me about yourself
- DSA Problem:
- Right Rotate a linked list by k places.
- Core Subjects:
- OPPs (Abstract Classes vs Interfaces, etc.)
- DBMS
- Internship & Personal Projects briefing
Round 4: In Person Technical (1-to-1) [45 mins]
- Tell me about yourself
- DSA Problem:
- Find & Return the loop point in a given linked list.
- Core Subjects:
- OPPs (Interfaces, etc.)
- CN (TCP vs UDP, Why do TCP packets travel slower than UDP packets, OSI layers, etc.)
- Internship summary
Round 4: In Person HR (1-to-1) [30 mins]
- Tell me about yourself
- Where are you from?
- How many members in your family?
- How has been your experience in college away from your home?
