CTS Consulting & Technical Support Senior IOS Developer Interview Questions and Answers

Classes are reference types, structs are value types. GCD is low-level API, Operation queue is high-level API for concurrency.

• Classes are reference types, stored on the heap. Structs are value types, stored on the stack.

• GCD is a low-level API for managing concurrent operations. Operation queue is a high-level API built on top of GCD.

• GCD provides a simple and efficient API for dispatching tasks to a queue. Operation que...read more

My expected salary range is $100,000 - $120,000 per year based on my experience and skills.

• Based on my 5+ years of experience in IOS development, I am looking for a competitive salary in the range of $100,000 - $120,000 per year.

• I have a strong track record of delivering high-quality IOS applications and believe my skills warrant a salary in this range.

• I am open to negotiation based on the overall compensation package

SOLID principles are a set of five design principles that help make software designs more understandable, flexible, and maintainable.

• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects o...read more