Hansen Technologies Senior Systems Engineer Interview Questions and Answers for Experienced

Q1. Go Lang related questions
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Q2. System architecture
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Q1. What is CSS Sprite
Ans. 
CSS Sprite is a technique used to combine multiple images into a single image to reduce the number of server requests.
• CSS Sprite helps in reducing loading time by reducing the number of HTTP requests.

• It involves combining multiple images into one larger image and then using CSS to display only the portion of the image needed.

• This technique is commonly used for icons, buttons, and other small images on websites.

• By using...read more
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Q2. Object Oriented Programming
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Q1. Tell about yourself and your biodata
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Q2. I have explained myself
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Q1. Skill related questions
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Q1. Management questions
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Q2. Depends on questions
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Q1. Previous experiences and reason for change
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Q2. Better opportunity and new challenges
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Basic aptitude questions and questions on React

Q1. Normal DSA questions focused on Arrays
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Q1. Asked about family and residency
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Leetcode easy level questions

Q1. Eliminate subsequent repetitions in a string
Ans. 
Remove subsequent repetitions in a string
• Iterate through the string and compare each character with the next one

• If they are the same, remove the repetition by shifting the characters to the left

• Repeat this process until all repetitions are eliminated
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Q1. Behavioral questions asked by Delivery Manager
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Q1. Behavioral round and past experience
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Q1. Design a URL shortener
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A URL shortener is a tool that takes a long URL and generates a shorter, more manageable link.
• Generate a unique short code for each long URL

• Store the mapping between short code and long URL in a database

• Redirect users from short URL to original long URL when accessed
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Q2. Write unit test for a sevice class
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Unit test for a service class
• Create a test class for the service class

• Mock any dependencies of the service class

• Write test methods to cover different scenarios

• Use assertions to verify the expected outcomes
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Basic aptitude questions and questions on React

Asked for printing patterns in a loop

Q1. Explain your code. Talked about projects, questions on array and a Water-jug problem puzzle question
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Q1. Asked about family and residence.
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Q1. 30min technical round
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Q2. Project manager round
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Q3. HR round for salary discussion
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