Interview Process at Energy Exemplar [ASE Role] Overall Experience: Positive Interview Difficulty: Moderate Interview Rounds: Round 1 – Technical (DSA + SQL + CS fundamentals + Internship Projects) DSA: Questions based on linear data structures (easy to medium difficulty). SQL: Queries like “2nd highest salary in each department.” Other topics: OS basics and web development fundamentals like HTTP status codes and API methods. Also discussed internship project and responsibilities. Round 2 – Technical (DSA + Project Discussion) DSA: One recursion-based problem and a basic DP question. In-depth discussion on internship project and individual contributions. Round 3 – General + SQL Basics Discussion-oriented round. Asked about familiarity with tools like Power BI and Excel (I honestly mentioned I wasn’t familiar). SQL: Simple questions on joins, WHERE clause, etc. Round 4 – Technical + Managerial Covered strengths in development (frontend/backend). Asked to write code for a module from my internship project. DSA: A medium-level linked list question, with code written on paper. Some managerial-style questions to understand thought process and communication. HR Experience: Special thanks to Ritesh Kalvellu (HR) who ensured the entire process was fast, transparent, and extremely well-managed. Communication was prompt and clear throughout.

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] Q. Tell me about yourself Q. Working & Implementation of Blockchain Technology (Note: “Blockchain” mentioned on resume) Q. SQL Query: Given 2 relations: Customers & Orders, find all Customers who have not placed an order since past 3 months. Q. 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 4: In Person Technical (1-to-1) [45 mins] Q. Tell me about yourself Q. Internship Project (Architecture, Website & Data Flow, Code, Optimization, Internal working of JS methods used in project) Q. Personal Projects briefing Round 5: In Person Technical (1-to-1) [45 mins] Q. Tell me about yourself Q. DSA Problem: Right Rotate a linked list by k places. Q. Core Subjects: OPPs (Abstract Classes vs Interfaces, etc.) DBMS Q. Internship & Personal Projects briefing Round 6: In Person Technical (1-to-1) [45 mins] Q. Tell me about yourself Q. DSA Problem: Find & Return the loop point in a given linked list. Q. Core Subjects: OPPs (Interfaces, etc.) CN (TCP vs UDP, Why do TCP packets travel slower than UDP packets, OSI layers, etc.) Q. Internship summary Round 7: In Person HR (1-to-1) [30 mins] Q. Tell me about yourself Q. Where are you from? Q. How many members in your family? Q. How has been your experience in college away from your home?