According to you what are the major responsibilities of a web developer?

As a web developer, most of the time entire responsibility of the project is shouldered on us. Major of them are:

• Developing the appropriate structures for the project
• To provide assistance with the maintenance of websites.
• Also to have the ownership of code throughout the development and testing.
• To coordinate with the designers.
• To fix the error and resolve problems.
• To upload the site successfully over the servers.