HashedIn by Deloitte Interview Questions, Process, and Tips

Q1. Leetcode easy - medum questions
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Q2. DSA questions - linkedlist, tree etc
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Q1. Design a database for instagram
Ans. 
Database design for Instagram platform
• Create tables for users, posts, comments, likes, followers, and hashtags

• Use primary and foreign keys to establish relationships between tables

• Include fields such as user_id, post_id, comment_id, like_id, follower_id, and hashtag_id

• Implement indexes for faster data retrieval

• Consider scalability and performance optimization techniques
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Q1. Explain how would you react under a condition where your colleague does not agree your ideas
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Coding+ case study round

HR round with salary discussion

Q1. Watch video on you tube, it was similar to that only
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Midium difficulty level and quant and Logical reasoning questions were there along with verbal

Q1. Basic accounting questions were asked
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Q1. Leet code easy medium questions
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Q1. System design + Projects that you worked on
Ans. 
I have experience in designing and implementing scalable systems for various projects.
• Designed and implemented a microservices-based architecture for a healthcare platform

• Developed a distributed system for real-time data processing using Apache Kafka and Spark

• Optimized database schema and queries for a high-traffic e-commerce website

• Implemented caching and load balancing strategies for a social media platform

• Designed a...read more
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Q1. Fitment Round with Manager
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Q2. Tell me about yourself, how you see yourself in the next few years, if you want to learn something in the next 6 months what would it be?
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Q1. Tell me about your previous projects Design a basic e-commerce website Microservices db design Spring related questions Design patterns Coding question It was about 1-1.5 hrs long
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Q1. Why HashedIn ? How was your interview experience? Have will you handle difference of opinion With a team ? Share an experience where you resolved a critical issue ?
Ans. 
I chose HashedIn for its innovative projects and collaborative work culture.
• Innovative projects attracted me to HashedIn

• I value the collaborative work culture at HashedIn

• I appreciate the opportunities for growth and learning at HashedIn

• I was impressed by the team's technical expertise during the interview process
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The duration of the Test is about 1h 30m
3 Coding questions were given, and the platform was Codilty.
The questions are shuffled.
In my case,
1st question was related to HashMap and fairly simple needs observation
2nd question was related to Array, a basic Array Manipulation question.
3rd question was related to String, which needs optimization.

I was able to solve all three questions, remember there are hidden test cases make sure to consider them and think of possible edge cases.

Q1. Minimum Deletions to make a String Palindrome
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Q2. Minimum Jumps to reach the end.
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Q3. Few questions related to Core CS Fundamentals i.e from OS and DBMS.
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Q1. Design a Database Schema for Instagram, and asked to run a few queries on them.
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Q2. Solve Rubix Cube Approach Data Structure Used Time Complexity Algorithmic Paradigm In this, he wants to check my thinking ability.
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Q3. Nth Fibonacci, the most optimized approach
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Q4. For some Programming related questions, I choose Java to answer all questions.
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Q1. Why should we hire you?
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Q2. Why do you want to join Hashedin?
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Q3. Tell me about your family background.
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Q4. Your strengths and weaknesses and when you showed them.
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