Category: System Design

Designing a Real-Time Net Worth & Portfolio Valuation System A complete system design walkthrough: aggregating holdings across stocks, crypto, real estate, cash, and liabilities into one live, always-accurate number — at millions of requests per minute. Introduction & History Problem & Motivation Architecture & Components Internal Working Data Flow &…

Designing Real-Time Language Translation for Live Video Calls A complete system design walkthrough covering architecture, ASR / MT / TTS pipelines, WebRTC media routing, latency budgeting, scaling to millions of concurrent minutes, reliability, and security — written for interview preparation and real production understanding. Introduction & History Understanding the Problem…