Developer for web app (EJS \ ExpressJS + mariadb)

A big com­pany look­ing for a pro­gram­mer who is an ex­pert in JS web based apps for a new BI tool.
The job includes the de­vel­op­ment of fea­tures and the com­plete man­age­ment of all our pro­gram­ming needs
Skills needed:
-Knowl­edge in im­ple­ment­ing de­signs and API in­te­gra­tions
-Proven ex­pe­ri­ence work­ing with EJS \ mari­adb
-Ability to develop a cus­tom theme

For a one time pro­ject
Pre­vi­ous work demonstration is required