There are many sites that allow freelancing where you bind for jobs. Site like Upworks have list of jobs from which you can apply and do them online. Some of the jobs are protected by payment verified systems. After completing your job, the client will confirm and payment is release to your account. These jobs vary and require you search for jobs that fit your career. Good work comes with rewards. If your clients are happy, they can leave a comment or review which can increase your bid chances.
More to follow