fulfilling
v.v. making you feel happy and satisfied because you are doing something useful or important. You use this to describe a job or hobby that makes you feel good about yourself.
v. providing a sense of personal satisfaction or completion through the achievement of one's potential. Often describes professional roles, creative pursuits, or interpersonal relationships.
Volunteering at the animal shelter is very fulfilling.
She left her high-paying corporate job to find a more fulfilling career in teaching.
While the work was physically demanding, he found the process of restoring the historic library deeply fulfilling on a personal level.
Typically functions as a gradable adjective; often follows linking verbs like 'find' or 'be'.
I am fulfilling with my jobMy job is fulfillingFulfilling describes the activity that causes the feeling; use 'fulfilled' to describe the person feeling the satisfaction.