Self-evaluation or self-judgment is essential to be a good human being. Almighty Allah has given us intelligence, consciousness so that we can be able to think about good or bad. Holy Prophet Mohammad (SAW) to his companion (Sahabah) Abu Dharr al-Ghifari (RA): Oh Abu Dharr! Take account of yourself before you're taken account of so your accounting will be easier tomorrow. And weigh yourself before you are weighed and prepare for the great staging; the day you will be presented, not the least of a hidden thing of you will be hidden from Allah (SWT).
For perfect career planning we need to know our positive qualities, weakness, opportunity and threats. In the following mind map I tried to identify my SWOT.
The following link will help you to evaluate yourself https://www.16personalities.com/