Your bullet rating looks fine compared to your rapid rating. For most players, their bullet and blitz are a few hundred points lower than rapid if they are active across those time controls.
If you want more advice than just that, learn ways of saving "thinking time" in the game. For example, learn opening theory well because they you can just move quickly out of the opening to save time for later in the game. Similarly, learn theoretical endgames well because you may have to convert with very little time remaining.
You don't need to learn uncommon endgames like this as quickly, but you should certainly practice Queen checkmate, Rook checkmate, or other common scenarios:
https://www.youtube.com/shorts/v_ox8Ea0aqE
I was curious if anyone had tips for how to improve at 30 second and 1 minute games.