Abbreviation of 'shūshoku katsudō' (job hunting): activities undertaken to find employment, such as company briefings, writing resumes, and interviews.
大学三年から本格的に就活を始める学生が多い。
Many students start serious job hunting from their third year of university.
就活のために履歴書を何度も書き直した。
I rewrote my resume many times for job hunting.
会社説明会で話を聞いて、気になる企業にエントリーした。
After listening at the company briefing, I applied to companies I was interested in.