If want to fix any CSS or PHP issue in your WordPress website then I can help you to solve it.
Please note that this only for simple fixing. But if you want me to fix more complex issue that could cost more.
I can make your WordPress website responsive without changing the existing theme and make it more valuable to the search engine. N.B. For this task cost depends on the theme. Please inbox for more details.
I can create new section in your WordPress website (like custom slider or integrate MailChimp or contact form) and make it editable using WordPress dashboard.