UX Developer needed to customize website within AEM context

Existing website needs updating including custom CSS and Javascript. The context of this website is Adobe Experience Manager, but the developer can need a deep understanding of AEM to do the job.

Current website: https://www.leaderimpact.com/
One website that is inspirational to the stakeholders: https://www.faithdrivenentrepreneur.org/

We are seeking to get started quickly.