Jae-hoon K.

Data Analyst, LLM

Korea, Republic of

Experience

Mar 2025 - Sep 2025
7 months

Data Analyst, LLM

Invisible AI

  • AI training
  • Data Analyst for LLM projects
Aug 2024 - Feb 2025
7 months

Data Labeler

Sigma AI

  • Audio transcription
  • Data labeling
Jan 2024 - Jul 2024
7 months

Data Labeler, Freelancer

Appen

  • AI training
  • Translation
  • Data labeling as freelancer
Jun 2019 - Dec 2023
4 years 7 months

Amazon Sales Manager, Freelance Manager

fromo

  • Product planning
Jun 2018 - May 2019
1 year

Online Marketing Freelancer

Tenping

  • Online marketing (app installations, product sales, customer data collection)
  • Advertising planning
  • Marketing planning
  • Viral marketing
  • Keyword advertising
Sep 2014 - May 2018
3 years 9 months

Freelance Team Leader, Public Relations Team

IBS Industries Co., Ltd.

  • Promotional copy
  • Advertising production
  • Copywriting for PR team
Jan 2014 - Jul 2014
7 months

Marketing Freelancer

Nemo Community

  • Online advertising consulting
  • Search advertising
  • Advertising sales
  • Online advertising sales
  • Keyword advertising

Summary

My strength is that I understand what I want to do faster than others and I am meticulous about completing tasks.

I've worked primarily in online marketing and e-commerce.

I have also worked on many LLM projects as an AI trainer and have extensive experience in data labeling, including translation and audio transcription.

I will always do my best.

Languages

Korean
Native
English
Advanced

Education

Mar 2010 - Mar 2013

Dong Seoul University

Bachelor · Marketing · Seongnam-si, Korea, Republic of

Hanseong High School

Liberal Arts · Korea, Republic of

Certifications & licenses

Driver's License

Seoul Metropolitan Police Agency

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