AirAsia Senior Software Engineer and Lead Interview Questions and Answers

Hackerrank test of 2 questions

Aerospace, Airplane related SW need to meet the DO178C, asking experiences with this

Related experiences and roles about the project with used DO178c

Q1. Life cycle of Software Development
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Software development life cycle is a process used to design, develop, and test software applications.
• 1. Planning: Define project scope, requirements, and timelines.

• 2. Design: Create a detailed design of the software architecture.

• 3. Implementation: Write code based on the design specifications.

• 4. Testing: Verify that the software meets the requirements and is free of bugs.

• 5. Deployment: Release the software to users and...read more
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Q1. Performance related
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Q2. Oracle architecture like multitenant, golden gate
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Q1. What is gcd? And explain it
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gcd stands for greatest common divisor, the largest positive integer that divides two or more numbers without leaving a remainder.
• gcd is used to find the largest integer that can evenly divide two or more numbers.

• It is commonly used in mathematics and computer science algorithms.

• For example, the gcd of 12 and 18 is 6, as 6 is the largest number that can divide both 12 and 18 without leaving a remainder.
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Q2. What is arc and explain it
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ARC stands for Automatic Reference Counting, a memory management technique used in programming languages like Objective-C and Swift.
• ARC automatically tracks and manages the memory used by objects in a program

• It increases the retain count of an object when it is referenced and decreases it when it is no longer needed

• ARC helps prevent memory leaks and retain cycles in iOS and macOS development
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Q1. Node js working in detail
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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
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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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