Hi.
Almost everybody worries to some extent about future and career. However, if you feel that you preoccupied with those thoughts to an extent that it is disturbing your life in some way, it is always better to seek help early on!
Easy irritability could be because of stress/excessive worries. However, if there are lot of negative thoughts or hopelessness in the form that future is not going to be good/happy, please consult a mental health professional for online sessions for evaluation and treatment.
Next Steps
Consult a Psychiatrist for online sessions.