Seungju WI
+82 10-3655-5641 | wsj@likelion.net | linkedin.com/in/wiseungju | github.com/SeungjuWI | portfolio.gourmevel.com
Education
Hongik UniversitySeoul, South Korea
Bachelor's in Computer EngineeringMar 2020 – Feb 2026
Singapore Korean International SchoolSingapore
Natural Sciences Track; peer tutor in mathematics and ChineseMar 2017 – Feb 2020
Experience
LIKELIONSeoul, South Korea
Problem Solver, Global New BusinessSep 2026 – Present
AI Product ManagerApr 2026 – Sep 2026
- Own Salary FYI end to end (web, mobile app, community, admin dashboard), a hiring platform connecting Vietnamese IT talent with Korean companies; reached 8,800+ sign-ups, 5,300+ resumes, and 10,000+ job applications within 5 months of launch
- Raised the resume visibility rate from 7.7% to 88.3% by shipping one-tap apply and LLM-targeted campaigns (14–30% click-through rate)
- Found that users with a registered resume apply 79x more often; redefined the team KPI around it and reallocated the entire ad budget
- Automated the 8-step hiring workflow (resume screening, AI voice interview, final evaluation, result emails) with LLMs and a Slack bot, replacing manual spreadsheet operations
- Cut resume translation for KTC, a government-funded Korea–Vietnam talent matching program, from about 3 hours per request to instant generation; ran the K-Tech College Job Matching Weekend 2026 on site in Da Nang
- Shipped the first MVP on day 3 and planned, built, and launched 5+ products solo in 4 months
PlanfitSeoul, South Korea
AI Problem Solver InternJun 2025 – Dec 2025
- Owned free-to-paid subscription conversion; designed and ran 70+ experiments in about 3 months as a one-person sprint across planning, UI/UX design, React Native front end, and QA
- Sourced and led the adoption of Monetai, an external AI purchase-prediction solution; lifted weekly payment conversion for existing users by 75%, still running in production
- Replaced a static paywall with an AI-generated seasonal video (Veo, Midjourney), lifting new-user payment conversion by 20%, double the 10% target
- Wrote 100+ PRDs and fixed payment-funnel bottlenecks using Amplitude funnel analysis
Projects
Drinkig | React Native, MySQL, Claude, CursorJan 2026 – Present
- Built an AI wine curation app for beginners with recommendations based on taste, tasting notes, and grape variety; handled planning, design, development, and QA alone
- Rebuilt it from a failed 10-person v1 in about 1.5 months; approved on the App Store in Jan 2026
- Won 2nd place at the Hongik University Startup Competition; featured in Weekly Dong-A
Gourmevel | Instagram, YouTube, Naver BlogNov 2021 – Present
- Founded a fine-dining magazine with in-depth reviews of fine-dining and Michelin restaurants; grew it to 10K followers with zero ad spend (top short-form video: 1.24M views)
- Ran 50+ brand collaborations, including CatchTable; monetized through advertising and photography
Skills
Product: Problem definition, PRDs, funnel analysis, experiment design, growth, KPI design
AI: LLM-based product development, workflow automation, Claude Code, Cursor
Development: React Native, web and app front end, Slack bots
Tools: Amplitude, MySQL, Figma
Languages: Korean (native), English (native-level), Chinese (advanced)
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