Im a shit magento developer, advice on how to get better

Hi I used to work with 1.9 quite alot and deployed 5 projects on community edition of magento too but ever since magento 2 started I have only worked on migrating the store and installing pre built themes, I havent touched the headless aspect or the backend development of it and I feel like I am stuck in a rut, I need advice on how to get better at this again.

Right now I am focusing on getting at better code reviewing and Server level cache configuration varnish, Magento order receiving API modification.

submitted by /u/paranoidkid91
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