Virtual whiteboard & Classroom ( angular)

Looking for fullstock developer to build virtual whiteboard for my E-learning app ( backend .net, frontend angular and ionic)

Virtual whiteboard features:
a. Infinity Canvas Digital Whiteboard
b. . Upload text, audio, video, PPT, and HTML5 , 3d models files in different formats (PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX, WAV, WMA, MP3, MOV, AVG, MPEG, WMV, MP4, JPEG, GIF, PNG,HTML5). Embedded YouTube video
c. Drawing Tools ( pen, eraser, colour, size , highlighter ,opacity)
d. Pointer
e. Rich text editor
f. Modify,add,delete,re arrange pages
g. Undo ,redo
h. Background Colours
i. Multiple co current Boards
j. Access Asset library
k. Polls & survey
l. Multiple Live streaming
M. Export
N.Lock board while teaching
O. Timer
p.Handwritten recognition
u. Calculators
v. Widgets

Virtual Classroom ( jitsi)
a. Teacher Control Tools
b. Schedule Upcoming lectures
c. Co – teacher mode
d. Video and audio Conference
g. Invite student as link or QR code
h. Student Board & teacher board
i. Student Engagement Report
j. Break out the groups
k. Spinner