Seungju WI
A product manager who takes products from problem definition to launch, using AI to plan, build, and ship end to end.
Currently at LIKELION, building Salary FYI, a hiring platform connecting Vietnamese IT talent with Korean companies: 8,800 sign-ups and 10,000 job applications within five months of launch. Previously improved paid subscription conversion at Planfit with 70+ experiments.
Founded Gourmevel, a fine-dining magazine with 10K followers, and built Drinkig, an AI wine curation app, solo.

Experience
LIKELIONFull-time
- Problem Solver Sep 2026 – Present
- AI Product Manager Apr–Sep 2026
Owned Salary FYI, a hiring platform for Vietnamese IT talent: 8,800 sign-ups and 10K applications in 5 months
PlanfitInternship
- AI Problem Solver Jun–Dec 2025
Owned paid subscription conversion; 70+ experiments, payment conversion up to +75%
Projects
Press & Awards
Newsletter 〈凝〉, inaugural issueInterview
- Jun 2026
An AI PM setting coordinates in an unsteady era
Weekly Dong-APress
- Apr 2026
Building apps freely with AI, no coding required
Hongik University Startup CompetitionAward
- May 2025
2nd place (Excellence Award) · Drinkig
UMC 6thActivity
- Aug 2024
Hongik University Project Manager