If you’re looking to develop a web application for your website, there are several key services you’ll need to consider. Here are a few to get you started:

1. Front-end development: This involves creating the user interface and experience for your web application. It includes designing the layout, selecting colors and typography, and building out interactive elements like buttons and forms. A skilled front-end developer can ensure that your web application looks great and is easy to use for your customers.
2. Back-end development: The back-end of your web application is where all the behind-the-scenes magic happens. It involves building out the server-side code that powers your web application, such as processing data from forms and handling user authentication. A strong back-end developer can make sure that your web application is secure, efficient, and can handle a high volume of traffic.
3. Database development: Your web application will likely need to store data, such as user information or product inventory. A database developer can design and build a database that can store your data securely and efficiently, ensuring that your web application runs smoothly.
4. Testing and debugging: No web application is perfect on the first try. Testing and debugging are critical to ensure that your web application works as intended and is free of errors or glitches. A quality assurance (QA) team can help you identify and fix any issues before your web application goes live.
5. Project management: Finally, developing a web application requires careful planning and coordination between multiple teams. A dedicated project manager can help ensure that your project stays on track, deadlines are met, and communication between team members is clear.