System Design Refresher vs SeniorSWE

System Design Refresher is a free study companion for software engineers preparing for system design interviews. WHAT'S INSIDE • 30+ system design articles covering distributed systems, databases, caching, and more • Engineering blogs from top tech companies (Google, Meta, Stripe, Airbnb, and more) aggregated in one place • AI-powered flashcards with spaced repetition • Ask AI to summarize or explain any article in plain language • Favorites, reading progress tracking, and custom RSS feeds FEATURES • Works offline — articles download for reading without internet • Dark mode, font customization, and text size controls • Face ID / Touch ID lock for privacy • Sign in with Google or Apple, or use as a guest with no account required

Prepare for senior software engineer interviews the right way. This app goes beyond coding practice to train how you think, communicate, and design systems under pressure. Covering behavioral, algorithms, and system design, it helps you build structured answers, handle real interview scenarios, and improve where it actually matters. Walk into interviews clear, confident, and ready. Key Features Behavioral Prep – Practice senior-level questions with structured answer frameworks Algorithms – High-impact coding questions with pattern-based learning System Design – Real-world scenarios with guided breakdowns and trade-offs Built For Engineers targeting senior roles who want more than just coding practice.