Java and Go are both back-end technologies that offer a wide range of features but one tech stack may be more suitable for your project than the other.
Java offers Object-Oriented programming which enables developers to reuse code. Moreover, it also reflects code in the runtime making it easier for software engineers to catch errors. When it comes to Golang, one of its best features is Garbage collection which will help manage large codebases. Go has more compact coding, whereas Java has many libraries which makes third-party integration easier.
Regardless, of which tech stack you use they can make for an excellent backbone for you web app, mobile app, etc.
Learn more about hiring Go developers.