When you become senior developer

A senior developer can typically take between 10 and 20 years to become one. It is not necessary to know how to code in every programming language to become an expert. In addition to coding skills, they have other characteristics, such as leadership, experience, technical ability, and mentorship skills.

Senior developers don’t have to be database experts, but they usually understand ACID, Normalization and Denormalization Concepts, Transaction Isolation Levels, Optimistic and Pessimistic Concurrency Models, Deadlocks problem, Indexing best practices and can analyze SQL query execution plan .

A back-end web developer is responsible for server-side web application logic and integration of the work front-end developers do . Back-end developers are usually write the web services and APIs used by front-end developers and mobile application developers.