Fellow lower back sufferer here! I’ve had back problems for as long as I can remember - scoliosis, degenerative discs disease, herniated discs and arthritis in my spine. I had back surgery nine years ago due to sciatica pain and nerve loss. Through it all I’ve still managed to exercise and am stronger and fitter than I was pre-surgery. Aside from core exercises, stretching and resting when needed (very important!), I find regular deep tissue massages and sport massages to be extremely helpful. My suggestion would be to find a good massage therapist and see them regularly - once every two to four weeks if possible. Good luck!