Developer (noun)

1. A person or company that develops land, buildings, or software.
2. A person who creates, designs, or maintains software.
3. Someone who is responsible for the development of a product, project, or plan.
4. A person or company that is involved in the construction and sale of properties.
5. A person or company that is responsible for the development and growth of a particular area or industry.

Origin:

Early 19th century: from french développeur, from développer "unfold, develop".

Examples:

1. He works as a software developer for a large technology company.
2. The developer is building a new housing development.
3. The developer is responsible for the development of the website.
4. She is a developer of mobile applications.
5. The developer's plan for the area includes a new shopping center.