Yes it is good to start your career as a software tester, as testing is a crucial component of software development, and it's a good foundation for further career growth in the technology field. It offers a practical understanding of the software development process, exposure to various testing methodologies and technologies. It helps in developing critical thinking and problem-solving skills.
If you are interested in pursuing a career as a software tester but looking how to pursue a career in it then this video is specially for you -