The Blockchain Developer role is one of the most in-demand jobs in Crypto/Web3. As a blockchain developer, you will be responsible for developing blockchain applications as well as managing them.
Though the job of a blockchain developer is quite complex because before you can do it, you need to first learn the skill (have an in-depth knowledge about it coupled with alot of experience) and practice for a long period of time to become a professional, but it is a high-paying job compared to other job careers in Crypto/Web3.
If you want to become a blockchain developer, you need to take a Certified Blockchain Developer course that will teach you everything about developing applications on the blockchain. An example of a website that offer this course is udemy.com. There are other websites that teaches people how to become a blockchain developer, all you have to do is to search online for a suitable platform that will train you well.