Each chapter includes clickable reference links to official engineering blogs from companies like Uber, Netflix, and Google. GitHub & Online Resources

Volume 2 covers several deep-dive scenarios that frequently appear in senior and staff-level engineering interviews. 1. Proximity Service & Nearby Friends

If you’ve ever prepared for a senior software engineering interview at a top tech company—think FAANG, Microsoft, or Uber—you’ve likely heard of series. The first volume became an instant classic, but the sequel, Volume 2 , has raised the bar even higher. It’s no surprise that thousands of engineers search daily for phrases like “system design interview alex xu volume 2 pdf github” hoping to get a free copy.