Thanks for the query to H.C.M. Forum .
As you stated in your query that you are very health conscious person , this is a very good thing.
Since your work is mainly on computers so this pain and tingling sensation
on the left may be a work ( rather over work and stress
related problems) problem.
Since your age is 35 years and I T specialist i.e. high risk job, so get in an ECHO of heart and deal accordingly .
are normal so don't worry.
Get in blood for sugar level regularly just due to job.