Boeing Senior Software Development Engineer Interview Questions and Answers

Q1. Difference between Virtual DOM and DOM
Ans. 
Virtual DOM is a lightweight copy of the actual DOM, used for efficient updates in web applications.
• Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

• Changes are first made to the Virtual DOM, then compared with the actual DOM to determine the minimal updates needed.

• This process reduces the number of expensive DOM operations, resulting in faster renderi
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Q2. Difference between Angular and React
Ans. 
Angular is a full-fledged framework for building web applications, while React is a JavaScript library for building user interfaces.
• Angular is a complete framework with built-in features like routing, forms, and HTTP client.

• React is a library focused on building UI components and managing state.

• Angular uses two-way data binding, while React uses one-way data flow.

• Angular uses TypeScript by default, while React uses Jav...read more
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Q1. AWS system design question
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Tree algorithm about some riddels

Q1. What is gcd? And explain it
Ans. 
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
Ans. 
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. Explain how multithreading works?
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Multithreading allows multiple threads to run concurrently within a single process, improving performance and responsiveness.
• Multithreading allows for parallel execution of tasks within a single process.

• Threads share the same memory space, allowing for efficient communication and data sharing.

• Thread management is handled by the operating system, which schedules threads for execution.

• Examples of multithreading include w...read more
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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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Q1. Common technical questions
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Q1. Advance Technical Questions based on your skill set taken by architect
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Common coding problems difficulty laver moderate

Q1. Common managerial question ,scenario base questions
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Q1. Behavioral questions such as weakness and strength
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Q2. What do you know about AA?
Ans. 
AA stands for Alcoholics Anonymous, a support group for individuals struggling with alcohol addiction.
• AA is a 12-step program that emphasizes spiritual growth and personal accountability.

• Meetings are held regularly and are open to anyone seeking help with alcohol addiction.

• Anonymity is a key principle of AA, and members are encouraged to maintain confidentiality.

• Sponsorship is also an important aspect of AA, where expe...read more
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Q3. About previous projects
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It was more of a discussion of the project I worked on, and the technologies I used...They asked me two basic SQL questions (it is a full stack position, though), and also about the Azure cloud platform.