Software Development Engineer Lead Interview Questions and Answers

Designing a high scale Multithreaded system requires careful consideration of thread synchronization, load balancing, and resource management.

• Identify the critical sections of code that need to be synchronized

• Choose an appropriate synchronization mechanism such as locks or semaphores

• Implement load balancing to distribute work evenly across threads

• Use thread pools to manage resources and limit the number of threads created

• Consider using asynchronous programming techniques to r...read more

Implementing various security measures can significantly enhance application protection against threats and vulnerabilities.

• Use encryption for sensitive data both at rest and in transit (e.g., AES for data storage).

• Implement strong authentication mechanisms, such as multi-factor authentication (MFA).

• Regularly update and patch software to fix vulnerabilities (e.g., applying security updates to libraries).

• Conduct regular security audits and penetration testing to identify weakn...read more

Spring Security is a framework that provides authentication, authorization, and other security features for Java applications.

• OAuth2 is an authorization framework that allows third-party applications to access a user's resources without sharing their credentials.

• JWT (JSON Web Token) is a compact, URL-safe means of representing claims to be transferred between two parties.

• SAML (Security Assertion Markup Language) is an XML-based standard for exchanging authentication and autho...read more