Scaling is often a massive challenge. If your app suddenly gets thousands—or even millions—of users, can it handle the load? Are the Best Chicago App Development Companies equipped to design and maintain high-traffic platforms similar to Uber, DoorDash, or Instacart? This includes cloud scalability (AWS, Azure), load balancing, caching, queuing systems, and microservices architecture. Have any of these companies actually worked on apps that needed to support thousands of real-time users? If yes, how was the performance under pressure? This thread can be a great place to identify serious engineering chops in the Chicago app scene.
