developer

noun
  1. A person or company that creates new products, especially software or applications. noun
    The developer released a new version of the app with improved features.
    She works as a software developer at a tech company.
  2. A person or company that prepares and constructs buildings or land for commercial or residential use. noun
    The developer plans to build a new shopping mall on the outskirts of the city.
    Real estate developers are investing heavily in urban areas.
  3. A chemical agent used in photography to develop film. noun
    The photographer used a developer to bring out the images on the film.
    Make sure to handle the developer carefully to avoid ruining the photographs.