flutter developer

As an individual seeking refined expertise, I am in need of a versatile developer well-versed in Flutter - for both mobile and web development. Although unmentioned, the optimal candidate would possess knowledge in user authentication, payment gateways, and social networking integration. I'm hoping for some key functionalities in this project. The ideal completion time for this endeavor is immediately, as I'm in a hurry. Hence, the developer would need to efficiently manage their time and resources. Tailor your efforts towards speed without compromising quality. Relevant portfolio in Flutter development required.