Vagaro Technical Lead Interview Questions and Answers

Will be given Requirement to write code for Restraunt. Based on that have write code for delivering orders by delivery boys.

Q1. OOPS Concepts, Java Basics, Collections, MultiThreading
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Assignment to develop a prototype

Q1. Face to face questions
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Q2. Java Question Technical & coding
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Q3. Mongodb & Mysql Question
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15 objective questions related to basic DSA, OOPS

Q1. Explain your one of the project , cross questions around project
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Q2. OS, DBMS & One medium complex coding question
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Q1. Introduce yourself & explain your fav. project.
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Q2. One coding question related to sorting & hashing, i have to share my screen and discuss all possible approaches & then write code for optimum approach.
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Nuts and bolts game, to output date in a certain format, one SQL query

Q1. Stacks and Queues
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Q2. Linked lists, arrays, and many more basic fundamental Dsa questions.
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Q1. More about your resume projects.
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Q2. Puzzles and reasoning is asked
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DSA based round. Taken by external company. I would say to medium level questions asked.

Q1. This was based on LLD.
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Q2. Why SQL and not NoSQL?
Ans. 
SQL is preferred for structured data, transactions, complex queries, and ACID compliance.
• SQL is better for structured data and relationships between data.

• SQL is preferred for transactions and ensuring data integrity.

• SQL is more suitable for complex queries involving multiple tables.

• SQL databases provide ACID compliance for data consistency and reliability.
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Q1. Past project experience with a Tech Lead.
Ans. 
Worked on a project with a Tech Lead to develop a new feature for a web application.
• Collaborated closely with the Tech Lead to define project requirements and timelines

• Received guidance and mentorship from the Tech Lead on best practices and coding standards

• Participated in regular code reviews and discussions with the Tech Lead to ensure quality and consistency

• Implemented feedback and suggestions provided by the Tech L
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Q2. More into the problems I have solved previously and the working culture discussion.
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Q1. There wer four questions 1) wildcard pattern matching(leetcode) 2) cows and buffaloes(leetcode) 3) unix based cd directory 4) backtracking question
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Q2. It was a resume based round for 45 min
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Q1. It was a resume based round for 1 hr
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It had 2 coding questions

Q1. About projects I mentioned in resume
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Q2. React questions
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Q1. Architecture of current project
Ans. 
The current project follows a microservices architecture with Docker containers for scalability and flexibility.
• Microservices architecture is used to break down the application into smaller, independent services that can be developed, deployed, and scaled independently.

• Docker containers are utilized for packaging the application and its dependencies into a standardized unit for easy deployment and management.

• Service di...read more
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Q2. Spring and Hibernate questions
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Basic coding questions