TikTok Software Developer interview questions

A technical interview assesses candidates' problem-solving skills, coding proficiency, and knowledge of algorithms and data structures. It often includes whiteboard coding, debugging exercises, and system design questions. Interviewers evaluate communication abilities, logical thinking, and mastery of relevant technologies. Preparation and practice are essential for success.

A transaction wallet system requires careful design to ensure atomicity and consistency across multiple databases. Here's how to approach it: Use a distributed transaction coordinator (DTC) or a saga pattern to maintain consistency between databases.