What are some common challenges Ruby on Rails software engineers face when working on large-scale applications?

Ruby on Rails Software Engineers working on large-scale applications often encounter challenges such as maintaining application performance, ensuring scalability, and managing complex codebases. As applications grow, optimizing database queries, implementing caching strategies, and refactoring legacy code become increasingly important to keep the system efficient and maintainable. Collaboration with DevOps teams and other engineers is crucial to streamline deployments and address bottlenecks. Being proactive in code reviews and embracing best practices can help mitigate many of these challenges.