Indifi Technologies Software Engineer Interview Questions and Answers

Q1. LLD/Machine coding - Design a social media application with users, posts, comments, likes, etc. There is also an admin who needs to approve post creation and can delete any post they want. Create appropria...read more
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Q1. High-level design - Design a chat-based application like WhatsApp with only user-to-user chat feature (no group chats). Explain and draw out the E2E design by mentioning all the components and design decis...read more
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Q1. Hiring Manager - basic questions like why Razorpay, what are your career goals, what does career growth look like for you, etc.
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Q1. Describe projects
Ans. 
I have worked on various projects including developing web applications, creating mobile apps, and implementing machine learning algorithms.
• Developed a web application for a retail company to manage inventory and sales data

• Created a mobile app for a fitness tracking platform to track user's exercise routines

• Implemented machine learning algorithms for a recommendation system in an e-commerce website
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Q2. Knowledge testing on ML frameworks
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Had a overall personality, technical & problem solving test with AVP

MVVM was asked and swift questions

Q1. Tell me about one project you worked on?
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Q2. Tell me about yourself?
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Q1. Project questions
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Q2. Coding questions
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Basic DSA and android questions

Live coding round for android

Q1. Explain your past experiences?
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It was on mettle, had 3 coding qns, MCQs on DBMS, CN, Aptitude etc

It was on a quote by FB saying everyone wants to become like Musk, it went on for 30 mins

Q1. It was basic behavioral questions
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Q1. Find connected components in a graph
Ans. 
Use Depth First Search (DFS) to find connected components in a graph
• Start by initializing all vertices as unvisited

• Iterate through each vertex and perform DFS to find connected components

• Keep track of visited vertices to avoid revisiting

• Example: For a graph with vertices {A, B, C} and edges {(A, B), (B, C)}, the connected components are {A, B, C}
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Q1. Design chess game
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Design a chess game with proper board setup, piece movements, and win conditions.
• Create a 8x8 grid to represent the chess board

• Assign initial positions to each type of chess piece (pawn, rook, knight, bishop, queen, king)

• Implement rules for each piece's movement (e.g. pawn moves forward, rook moves horizontally/vertically)

• Check for valid moves and capture opponent's pieces

• Implement win conditions (checkmate, stalemate)

• ...read more
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