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Skills

Data & Analysis

Python, SQL, R, Machine Learning, Excel Expert (MOS)

Finance

Financial Modeling, Accounting, Taxation, ADSP

Communication

Technical Writing, Copywriting, Content Strategy

Education

Sungshin Women's Univ.

Bachelor, Economics

2018 - 2022

Languages

  • Korean: Native
  • English: Intermediate
  • Japanese: Professional

Cheyoung Hwang

Financial Data Analyst

Professional Summary

Data Analyst combining deep financial literacy with advanced data analytics skills. Cleared the first round of both CPA and CTA exams, demonstrating a solid foundation in accounting and taxation. Experienced in refining LLMs and translating complex technical data into strategic business insights. Aspiring to leverage expertise in financial engineering and data modeling to drive data-driven decision-making.

Experience

Financial Data Analysis Trainee

Oct 2025 - Present

Multicampus (Samsung) | Seoul

  • Completing an intensive 5-month bootcamp focused on financial data modeling and machine learning applications.
  • Utilizing Python, SQL, and R to analyze large-scale real-world financial datasets.
  • Building predictive models to interpret market trends and optimize financial strategies.

AI Content Specialist / AI Trainer

July 2024 - Present

Outlier | Remote

  • Refining and optimizing Large Language Models (LLMs) through high-quality data labeling and RLHF (Reinforcement Learning from Human Feedback).
  • Evaluating AI-generated responses to enhance accuracy, safety standards, and natural language understanding capabilities.
  • Collaborating with cross-functional teams to improve model performance on complex queries.

Professional Copywriter & Strategist

May 2019 - Mar 2020

June & Company | Seoul

  • Developed specialized marketing content for high-authority sectors including medical and legal industries.
  • Conducted in-depth research on technical journals to create engaging narratives, transforming complex data into accessible brand messages.
  • Enhanced audience engagement by simplifying technical jargon into compelling stories.