Node.js - Log in to LinkedIn as an application vs client?

I'm trying to build an application that will read job postings from a LinkedIn site and load them into a database for future use - all back end.

Does anyone know where I can find a current working node.js example of signing in to LinkedIn as an "application", rather than as a "client/user"? Is there a difference?

I followed the tutorial here (http://ift.tt/1wF0QPo). I had to use passport-linkedin-oauth2 in order to retrieve an authorization token. After doing this, my passport.authentication fails - without any useful messages.

Here's all I get on the console before the app is routed back to the login screen:

c:\_Todd\_Projects\node-passport\aaa>node server
The magic happens on port 3000
GET / 304 26ms
GET /auth/linkedin 302 13ms - 264b
GET /auth/linkedin/callback?code=AQQe8cSBUaP8A_YRoB5FEncATOOvyMdsAoEsF_v_yYAvG0j2v3Q8ypE28ls5Yqqow6dkDtS16KQBrmhAYxvn9i4s36D6I4iQKSU
SBkaenuGhR7kIZSc&state=true 302 4ms - 35b
GET / 200 6ms - 1.13kb
GET /favicon.ico 404 1ms

My team lead said it looks like I'm trying to log in as a client (because I'm using the sign-in screen), and that I should log in as an application. Is there a difference??? I found some old tutorials that show "Consumer Key / API Key", but the current developer apps only have "Client ID".

Can someone please help?

via Chebli Mohamed