How can I decode the base64 in the custom grid collection Magento 2? - magento2

I've created the Apply jobs from a grid in Magento 2. When the user applies the form from the front-end then user data will save in the database with base64 encode format. And this table data will show in the grid form. I'm using the UI component to show the data in the grid list. Anyone, please let me know how can I decode the base64 in the grid list.
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