A technical interview assesses candidates' problem-solving skills, coding proficiency, and knowledge of algorithms and data structures.

It often includes:

• Whiteboard coding
• Debugging exercises
• System design questions

Interviewers evaluate communication abilities, logical thinking, and mastery of relevant technologies.

Preparation and practice are essential for success.

They asked me to implement a function that finds the longest substring without repeating characters in a given string. This required an understanding of sliding window techniques and hash maps for efficient tracking of characters.