Huron Software Engineer Interview Questions and Answers

Cofing round on hackerearth

Case study with algo and db design

Q1. Oops and dbms were asked
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Q2. All oops concepts were asked
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Q1. Lifecycle hooks of Angular
Ans. 
Angular lifecycle hooks are methods that allow you to tap into specific points in a component's lifecycle.
• ngOnChanges: called when an input property changes

• ngOnInit: called once the component is initialized

• ngDoCheck: called during every change detection run

• ngAfterContentInit: called after content (ng-content) has been projected into the component

• ngAfterContentChecked: called after every check of the projected content

• ng...read more
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Q2. SOLID principles
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Q1. Questions on SQL
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Q1. Introduction and basic questions
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This aptitude + technical MCQ test was of 120 minutes in duration. Had MCQs on quantitative ability, logical ability, Language, and technical MCQs consisted of questions on DBMS, OS, Networks, DSA. There were two coding questions as well. One on Bit Manipulating, and the other on DFS.

Q1. A question on BFS very similar to Leetcode 924. Was given one hour to discuss and come to an optimized solution with the interviewer.
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Q1. Search an element in a sorted and rotated array
Ans. 
Search an element in a sorted and rotated array
• Find the pivot point where the array is rotated

• Divide the array into two sub-arrays based on pivot point

• Perform binary search on the appropriate sub-array
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Q2. SQL query on left join
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Q3. Questions on CPP memory management
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Q4. Questions related to projects done
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Q1. Propose a system for a popular media stream service
Ans. 
Proposed system for a popular media stream service
• Implement a recommendation engine to suggest content based on user preferences and viewing history

• Integrate with social media platforms to allow users to share and discuss content

• Provide multiple subscription options with varying levels of access and features

• Ensure high-quality streaming with minimal buffering through the use of content delivery networks

• Implement robust...read more
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Q2. Questions related to Fullstack Tech Stacks
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Guesstimate on number of Reddit users in India. No starting input was given. Gave solution by using bottom to top approach. Tried to focus on quantifying teenagers with internet access and a particular interest about internet. Gave a figure around ~1 million in a year.

Q1. Where do you see yourself at McKinsey?
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This round includes an assignment which needs to be completed based on Java, Springboot, REST and any Frontend. They evaluated the case study based on how I write the APIs, how normalised my database is, and how user friendly the UI is.

Q1. How will you add pagination in Spring Boot JPA query?

Ans. 

Use Spring Data JPA's Pageable interface to add pagination in queries.

• Use Pageable interface in repository method signature

• Pass PageRequest object with page number, size, and sorting criteria

• Example: public List findAllUsers(Pageable pageable);

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