Software Development Engineer Lead

Software Development Engineer Lead Interview Questions and Answers

Updated 7 Jul 2025

Asked in Freecharge

1d ago

Q. How can you design a high-scale multithreaded system?

Ans.

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

Asked in MasterCard

6d ago

Q. What are other ways you can protect your applications or systems?

Ans.

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

Asked in MasterCard

3d ago

Q. Explain spring security,oauth2 ,jwt,saml and tls level security

Ans.

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

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