First of all, get a certificate in NodeJs, and in order to get the certificate, I would suggest you take up the NodeJs Training Course offered by Intellipaat. This course will help you build your career in the field of NodeJs. After the completion of this course, you will have a great understanding of all the concepts that comprise how the server-side works using NodeJs. Besides, you will easily be able to get a job related to NodeJs and Intellipaat will also assist you to prepare for your NodeJs interview and grab the job.
Do check out this Full Stack Developer Online Course to help you enhance your career.
Watch this video tutorial on NodeJs to learn more about it: