Web app development

I am in need of a web app developer to create a productivity application. I have a list of specific features and functionalities that I would like to be included in the app. However, I am open to suggestions regarding the technology stack to be used for the project. The ideal candidate for this job should have experience in developing web apps and be knowledgeable about the latest technologies. I have created most of the backend code. I need assistance with the front-end code. Please review and provide the best bid