For all beginners on this forum please have time to read and understand first the Beginners & Help before posting at
https://bitcointalk.org/index.php?board=39.0
It is better way to be inform or know all the rules and regulations regarding this forum to avoid reputation risk and spamming and to helps once self to improve and be a better member of this forum.

If your Interested in bounty campaigns you can find a lot of them on this forum and even on social media 
https://bitcointalk.org/index.php?board=52.0
https://bitcointalk.org/index.php?board=238.0
https://t.me/TheBest_Airdrop
https://icorating.com/
https://twitter.com/BountyCamps

You can find a lot of them on these links so better to choose your prefered Bounty campaigns, just keep in mind that you should follow all the rules of such campaign and the rules of these forum for you to recieve/have the right payment for your hard work.

And if your looking for a good signature campaigns where to invest with I may suggest you the project DANEEL.io
This project is an A.I (Artificial Intelligence) Assistant created and Develop to guide, help and assist Investors in this cyptoworld.

Bounty name : [BOUNTY-NEW][ICO] 🤖 Daneel.io: The 1st A.I Created To Help Crypto Investors
Link : https://bitcointalk.org/index.php?topic=2667581.msg27210952#msg27210952

Bounty campaigns are the way of endorsing, promoting and announcing a certain project by its participants. Its an event where participants are required to do a certain task with a equivalent payment. Bounty Campaigns uses different way to endorse there project and to inform everyone about there project, they usually use Bitcointalk.org, Facebook, Twitter, Instagram, Telegram, Youtube, Linked, Reddit and other different social media posting sites as their medium of endorsement.
For more information about Bounty programs you may visit https://hackernoon.com/what-are-bounty-programs-in-ico-campaigns-6aefbc9c56e6