Tinder Video Management System Design

Introduction

Modern dating apps like Tinder increasingly use video for profiles, stories, and messaging. Managing video uploads, storage, and playback at scale requires robust infrastructure and careful design.

Watch Video

Problem Statement

How can we design a system that allows users to upload, store, and view short videos efficiently and securely?

System Requirements

• Support for short video uploads and playback.
• Fast transcoding and content moderation.
• Scalable storage and delivery.
• Privacy and security controls.
• Analytics and engagement tracking.

High-Level Design

The system consists of:

• Upload Service: Handles video uploads and chunking.
• Transcoding Pipeline: Converts videos to standard formats and resolutions.
• Content Moderation: Automated and manual review for policy compliance.
• Storage: Stores videos in object storage and caches popular content.
• Playback Service: Delivers videos to users with adaptive streaming.

Key Components

• Chunked Uploads: Reliable uploads for mobile users.
• Automated Moderation: AI/ML models for detecting inappropriate content.
• CDN Integration: Fast delivery of videos worldwide.
• Access Control: Ensures only authorized users can view videos.

Challenges

• Moderation: Balancing speed and accuracy in content review.
• Scalability: Handling spikes in uploads and views.
• Privacy: Protecting user data and controlling access.
• Cost: Managing storage and bandwidth expenses.

Example Technologies

• Storage: S3, Google Cloud Storage.
• Transcoding: FFmpeg, AWS Elastic Transcoder.
• Moderation: AWS Rekognition, custom ML models.

Conclusion

Video management in dating apps requires efficient upload, moderation, and delivery pipelines. By focusing on scalability, privacy, and user experience, you can enable rich, engaging video features.