In the Tumblr Editor, open your Account Settings and select Edit Appearance.
On the next page, select Edit Theme.
Click on the Edit HTML link.
Paste this exact script into your Tumblr HTML file. It's best to add it between the Head tags. Once you add the script, click on Update and save.
Create Text Post
Return to your Tumblr Admin page, and create a new Text post.
Paste this shortcode into the post and save. Expand the post, and you'll see your new Job Application Form plugin. Click the POWr Settings Icon to set up POWr Job Application Form.
Edit your Job Application Form on Tumblr:
Go to the live Tumblr website and select the gear icon in the top right corner of your Job Application Form Plugin.