I’m an atheist, so I think the most spiritual thing I do is indeed believe in the power of my favourite programming languages’s type system to stop me from writing broken software.
If that serves as a higher power enough to stop you stepping into God-mode yourself and childishly assigning yourself powers far beyond your actual reach, it'd be a higher power enough to work if you were recovering from alcoholism and drug addiction.
That would make it a higher power powerful enough to legit save your life, whether or not you ever refined the concept further.
I do wonder to what extent God is defined as negative space (or, if you like, you can call your human-centered drives and selfish whims 'negative space' and define God as 'positive space', that which is not you and never will be)
If you're into stuff like chaos theory, Godel et al (I grew up reading Godel, Escher, Bach by Hofstadter) it's really not a big jump to conclude that 'not-me' is not only powerful and meaningful beyond your comprehension, but knowingly or unknowingly has motivation and intentionality.
We often 'humanize' this intentionality. We make it act like a toy human in our minds. My own spirituality is in trying to remember that this God, this coherence of systems that are not me, exists: but also in trying to recognize when there's a harmony and synthesis beyond what I would expect of callous randomness. I don't know how it works but I get reminded that the energies I put out, come back favorably to me… or, indeed, to others who are not me but who need a break.
I'm happier living my life in that mode, especially when I'm able to receive this process as a gift. If I put out 120% and feel like I'm getting back 70% I'll be very bitter and cranky, even if half my effort is waste and wheel-spinning and second guessing. If I put out 60% and get back 70% it feels like a gift.
I can control how I orient myself to all this, but I don't know how my 60% turns into 70%, any more than I understand how artificial life ants learn to traverse the John Muir trail. I'm just a little piece of it and now and then I get glimpses of the bigger picture. I'm not meant to stay there, but I get a peek.
I'd call that spiritual practice. It's stepping outside cold rationality and mastery of all abstraction, and letting a big chunk of 'not-me' into my world.
