noun
self-promotion; advertising oneself
Refers to actively promoting one's own abilities, achievements, or qualities, often in a professional or social context. Can carry a slightly negative nuance of boasting if overdone.
面接では、ある程度の自己宣伝が必要だ。
In an interview, a certain amount of self-promotion is necessary.
彼の自己宣伝がうまくて、すぐに人気者になった。
His self-promotion was so effective that he quickly became popular.
自己PR is a common loanword for self-promotion, especially in job-hunting contexts, and sounds more modern and businesslike than 自己宣伝.
Compound of 自己 (self) and 宣伝 (propaganda, advertising). The word follows standard Sino-Japanese word formation.