Yes.
If you are single then you will have federal taxes owed on your net income over $13,850.
However, you will owe self-employment taxes on any net income over $400. SE taxes of 15.3% are for both the employer and employee portion of Social Security and Medicare taxes.
See this TurboTax article for SE taxes - https://turbotax.intuit.com/tax-tips/self-employment-taxes/the-self-employment-tax/L8xXjolB4
