Since the demand for the full-stack developer is expected to increase by 27% by 2024 according to US Bureau of Labor statistics hence, if you are skilled enough there will be numerous opportunities that will be waiting for you.
There are multiple websites that can provide internships for full-stack developers or for specific job titles such as front-end developer, back-end developer, web developer, cloud computing, cyber security, and many more.
These websites include Internshala, Indeed, LinkedIn, Naukri, etc.
The duration of these internships will vary and will generally ask for specific language or tools as skills from the candidate and will help the person to have real-world experience and build upon a particular skill.
There will be internships in all sorts of industries from IT to infrastructure since all companies are now online from a big company to a small start-up everyone wants to reach the world through a click and with these internships the chances of working as a full-stack developer with companies like amazon, google will always be there.