Yes you will file on a Form 1040, because everyone now uses a Form 1040. There are no more 1040EZ or 1040A tax return forms, as of the 2018 tax returns. If you are earning money as an independent contractor, you will be preparing a Schedule C with your Form 1040, and you will be paying self-employment tax for Social Security and Medicare--as well as ordinary income tax.
https://ttlc.intuit.com/questions/2902389-why-am-i-paying-self-employment-tax
https://ttlc.intuit.com/questions/1901340-where-do-i-enter-schedule-c
https://ttlc.intuit.com/questions/3398950-what-self-employed-expenses-can-i-deduct
Tax Tips for Uber, Lyft, Sidecar and other Car Sharing Drivers FAQ
https://turbotax.intuit.com/tax-tools/tax-tips/Self-Employment-Taxes/Tax-Tips-for-Uber--Lyft--Sideca...
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
