I need a Sharepoint developer

I have an S corp LLC and provide expert witness testimony for the US Social Security Administration office of disability adjudication and review so have had a set customer, but looking to bring in other individuals under my contract. I will b we responsible for distributing information and processing of invoices. Individuals plus shared calendars that only admins can see and individual for each person I bring on. It is highly confidentail information and need to be able to have a way to share documents for services to be rendered and for adminitration and invoicing process. Need a spot to share training videos and documents as well Company background: Marilyn J. Stroud began providing vocational expert services for the Social Security Administration Office of Disability Adjudication and Review in the Spring of 2013. In September of 2013, Stroud Vocational Expert Services, LLC was formed, therefore requesting and was granted a modification of the initial BPA agreement to fall under the corporation name. In October of 2016, the corporation was relocated to Alabama, transferring and establishing state corporation status in the state of Alabama. Over the last four years, Ms. Stroud has provided vocational testimony in person and via teleconference, as well as, preparing and delivering prehearing studies and interrogatories for Administrative Law Judges and ODAR Hearing Centers throughout Regions three and four. Additionally, Ms. Stroud provides testimony on a national basis for the nation’s national hearing centers and regional offices throughout the country It is estimated that Ms. Stroud has delivered testimonial services in well over 3,500 hearings for twenty regional hearing centers and two national hearings. The SharePoint site would be built under the office 365 business premi subscription I hold