Spicejet Senior Software Engineer Interview Questions and Answers

Q1. Node js working in detail
Ans. 
Node.js is a runtime environment that allows you to run JavaScript on the server side.
• Node.js is built on Chrome's V8 JavaScript engine.

• It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.

• Node.js is commonly used for building server-side applications, APIs, and real-time applications.

• It has a large ecosystem of libraries and frameworks, such as Express.js and Socket.io.
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Q2. Timer working in node
Ans. 
In Node.js, timers can be implemented using functions like setTimeout() and setInterval().
• Use setTimeout() to execute a function once after a specified delay

• Use setInterval() to execute a function repeatedly at a specified interval

• Clear a timer using clearTimeout() or clearInterval()

• Example: setTimeout(() => { console.log('Timer executed!'); }, 2000);
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Q1. HLD questions on db and backend
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Q2. Relational non relational db
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Q1. There were questions of DSA, DBMS, OS etc
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Q2. There were questions around project that were mentioned in resume.
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Medium to hard level questions were asked and that mostly covers basics of DSA

Q1. Oops ,DBMS and DSA logical questions
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1 dsa question 1 sql and 18 mcq questions

Q1. Lot of questions from resumes and projects
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Q2. Easy DSA questions and oops questions
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Simple string manipulation

Q1. Basic c# questions
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MCQ on Python and some aptitude questions.

Q1. Array rotation coding question followed by past project experience
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Q1. STAR type interview.
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