AI BriefingHack the planet! Hack Day 2025 Participation Review
Key point
A LINE Plus developer shared their experience, from team building to development preparation, after participating in LY Corporation's in-house hackathon 'Hack Day 2025'.
Details
Hack Day is an in-house hackathon held annually by LY Corporation, marking its 19th year this year. This 24-hour event has no restrictions on topics, which is notable in that it allows not only developers but also designers, planners, HR, and various other job roles to participate.
Team composition is divided into General Team, formed within the same corporate entity, and Global Mixed Team, where members from branches in multiple countries gather. If team matching is difficult, teams can be formed through an online meeting hosted by the DevRel (Developer Relations) team.
Before the hackathon officially begins, participants go through the following preparation process:
- Idea refinement and technical review
- Development environment preparation and preliminary verification
- Finalizing plans through online/offline meetings
Participants go through a thorough preparation process, such as validating ideas and completing technical reviews in advance, in order to produce results within the limited 24-hour timeframe.
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