InfinityLabs Software Engineer Interview Questions and Answers for Experienced

Aptitude test

Current affairs

Q1. Puzzle , sql related questions
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30 min test covers basic logic reasonings

30 min round medium level questions from leetcode

Q1. Explain project you did for final year DSA
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Q1. Basic hr evel question
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Q1. OOPs related questions like polymorphism, inheritance
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Q2. SQL based question about Normalization
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Q3. Your past work experiences, your internship experiences etc
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I have diverse experiences in software development through internships and projects, focusing on teamwork and problem-solving.
• Interned at XYZ Corp, where I developed a web application using React and Node.js, improving user engagement by 30%.

• Worked on a team project in college to create a mobile app for local businesses, enhancing my collaboration and coding skills.

• Participated in hackathons, where I learned to work un...read more
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Q1. Golang basics related questions
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Q2. Concurrency related questions
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Q1. Based on Deep learning
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Q1. Questions related to Speech to Text, Whisper AI, Transformers, Deep learning
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Q1. Work culture fit and CEO round
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Q1. What is Connection pooling
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Connection pooling is a technique to manage database connections efficiently, reducing overhead and improving performance.
• Connection pooling maintains a pool of active database connections for reuse.

• It reduces the overhead of establishing a new connection for each database request.

• Example: A web application can reuse connections from the pool instead of opening new ones for each user request.

• Connection pools can be con...read more
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Q2. What is mounting in docker
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Mounting in Docker allows you to share files between the host and containers, enabling data persistence and configuration management.
• Mounting can be done using volumes or bind mounts.

• Volumes are managed by Docker and are stored in a part of the host filesystem which is not directly accessible.

• Example of a volume: `docker run -v my_volume:/data my_image`.

• Bind mounts allow you to specify an exact path on the host, e.g., ...read more
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Q3. What is decorators
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Decorators are a design pattern in Python that allows modifying the behavior of functions or methods at runtime.
• A decorator is a function that takes another function and extends its behavior without explicitly modifying it.

• Common use cases include logging, access control, and caching.

• Example: @staticmethod and @classmethod are built-in decorators in Python.

• Custom decorators can be created using nested functions.

• Example...read more
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Q4. Shell script question
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It was basics on java and big data

Q1. Java c++ coding question
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