Being that Blockchain is a new field of computer science and it pays big to be a cryptocurrency developer. Developers are the backbone of the crypto industry. The web developer is there to make the website, update the site, functionality of the website, and support the app developer. The App Developers normally help come up with the code behind the wallets, functionality, operation, and design of the blockchains. While the UI/UX Designer is needed for the look and the ergonomics of the product. They all tend to get a large cut of the projects from their contributions. Although, it's starting salaries are in the 50k to 60k range. Well seasoned developers can bring in over 150k a year salaries.