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Youngtak Jo
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Platform

LOCL

An all-in-one operations platform for class and studio businesses — booking, payments, settlement, scheduling, CRM and marketing in one workflow

cumulative users
10,000+
gross transaction volume
₩100M+
lines shipped, across 1,390 dynamic screens
1,042,300
class categories supported
213

What it does

  • I designed and built the whole surface myself — customer app, admin back office and CMS.
  • A single schema handles every combination of format, schedule, group size and delivery mode.
  • Opened offline channels including Shinsegae Starfield and Hanwha Galleria.

Stack

TypeScript Next.js Nuxt.js Vue.js React Native Node.js AWS GCP

Skills demonstrated

  • Founding & Operating

    Venture fundraising · government R&D grants · guarantee-backed financing · PO for a team of 10+, and the collaboration system it ran on · Legal, tax, hiring, and running a registered corporate research lab · Figma · Framer · brand identity · GA · Meta API · GTM instrumentation and reading the numbers

  • Product & Full-stack

    TypeScript · JavaScript · Python · C/C++ · C# · Java · Next.js · Nuxt.js · Vue.js · React · React Native · Expo · PostgreSQL · Supabase · AWS · GCP · Docker · UX design for ERP, CRM and LMS operational screens

Recognised in

  • More than ₩1.4B raised in total Venture capital, central-government R&D, public grants and guarantees Honours & Activities
  • High Flyer investment track — accepted JP Morgan · Work Together Foundation Honours & Activities
  • Seoul Youth Startup Academy, cohort 14 — youngest admitted, graduated Ministry of SMEs and Startups · KOSME Honours & Activities
  • Startup Success Package fundraising accelerator — final selection Smilegate Investment Honours & Activities
  • Google Changgu programme, cohort 5 — graduated 23rd of 100 companies Google · Ministry of SMEs and Startups · KISED Honours & Activities
  • Early-stage startup support programme for the arts — final selection (to be filled in — organiser) Honours & Activities
  • Incheon CCEI investment demo day — excellence award Incheon Center for Creative Economy and Innovation Honours & Activities
  • Korea Electronics Show — IT category exhibit, team lead Korea Electronics Show, COEX Honours & Activities
  • Two patents and one trademark filed Korean Intellectual Property Office Honours & Activities
  • Startup Growth Technology Development grant — also served as R&D lab director Ministry of SMEs and Startups Honours & Activities
  • Startup Experts — first place Y&Archer and six partner organisations Honours & Activities
  • Selected for and pitched at demo days run by Google, the UK's YBI, Microsoft and the KEPCO Foundation; cited as an exemplary presentation Google · YBI (UK) · Microsoft · KEPCO Foundation Honours & Activities
  • Supply agreements with Shinsegae Starfield and Hanwha Galleria; ran the in-store pop-ups Shinsegae Starfield · Hanwha Galleria Honours & Activities

Press coverage