Is the Pomodoro technique bad for deep work / coding?

So I keep seeing the Pomodoro technique recommended everywhere and I've been trying to make it work for my job as a programmer.

But I'm finding it's actually having the opposite effect. Just when I get deep into a complex problem and build up a mental model of the code the alarm goes off. The 5 minute break is just enough time to lose my train of thought completely.

I've tried it for a couple weeks now and honestly its driving me a bit crazy. It feels like I'm spending more time trying to get back into the zone than actually working.

Has anyone else found this? Are there better methods for tasks that require long periods of uninterrupted concentration? Maybe longer sprints? Any advice would be appreciated.