1. Python: Behind TikTok's algorithms, offering versatility and efficiency.
2. JavaScript: Powers interactive features and dynamic content on the platform.
3. Java: Android app development language for TikTok's mobile application.
4. Objective-C: Used for iOS app development, ensuring a seamless Apple experience.
5. Swift: Apple's preferred language for enhancing TikTok's iOS app performance.
6. Kotlin: Provides enhanced features for TikTok's Android application.
7. Go (Golang): Used in backend development, ensuring scalable and efficient systems.