Hello.. as you said you are having back pain.. which shifts places..
Have you been taking breaks in between while working . Have you been traveling a lot..
You need to maintain a proper posture and education while doing work as all this things happen if your are not maintaining proper ergonomics while working..
Next Steps
Pls visit a physio for the same..
Health Tips
While working.. Always take breaks every hour .. do some back exercises and ALWAYS SIT IN PROPER POSTURE..