Junior Financial AI Engineer 🌱
I’m interested in 🕒Time Series Analysis, 📖Natural Language Processing, 🤖Reinforcement Learning, and 📊Quantitative Finance.
For more information, please read my [CV] and [LinkedIn].
11th Trainee, Software Maestro
May 2020 - Dec 2020
- Participated in the 11th Government-supported Software Maestro Program (operated by FKII) and developed an AI spam detection system as part of a 3-member startup team.
- Built a C++ filter engine robust to obfuscated Korean text, a deep learning-based spam classification model, and a model retraining pipeline.
- Constructed a custom spam dataset and achieved a 0.97 Micro F1 score.
- Discussed applying the system to an upcoming commercial service with a partner company.
Sep 2019 - Jan 2020
- Worked as a full-stack freelancer for INSIGHT, an AI-based mental healthcare startup, on a 10 million KRW project.
- Built a Kotlin Android app to collect sensor data for predicting mental health indicators.
- Built a Python Flask API server in a Docker environment to load a scikit-learn model and serve predictions via REST API.
M.S. in Artificial Intelligence, Yonsei University
Sep 2024 - Aug 2026
- Graduate Research Assistant in the Multimodal Learning and Computational Finance Lab (Advisor: Prof. Ha Young Kim)
- Cumulative GPA 4.25/4.3
- Master's thesis: "GuardTST: Gradient-uncoupled architecture for dual-path time series transformer"
🏷️ Multivariate Time Series Forecasting
📚 Publications
- (Under Review) Sungsoo Kim, Seungjae Park, Taeseong Bang and Ha Young Kim, "Interpretative Reliability of LLM-Generated Technical Analysis: Measurement, Refinement, and Portfolio Implication"
🏷️ Large Language Model Technical Indicators Financial Analysis Reliability Evaluation - Junwoo Ha, Sungsoo Kim, Kisu Lee, Seungjae Park, Hyukjae Kwon and Ha Young Kim, "TiVaT: A transformer with a single unified mechanism for capturing asynchronous dependencies in multivariate time series forecasting", Applied Soft Computing, vol. 195, p. 114979, Jun. 2026, doi: 10.1016/j.asoc.2026.114979.
🏷️ Multivariate Time Series Forecasting - Seungjae Park, Sung-Bae Cho and Ha Young Kim, "KRAFT³-QA: Korean financial text-table benchmark for evaluating tool-augmented agents on QA tasks", Journal of the Korea Society of Computer and Information, vol. 30, no. 8, pp. 29-39, Aug. 2025, doi: 10.9708/jksci.2025.30.08.029.
🏷️ Large Language Model Tool-augmented Agent Financial QA Benchmark - Seungjae Park, Hyukjae Kwon, Kisu Lee, Won-Yong Shin and Ha Young Kim, "Multivariate time series forecasting reflecting dynamic variate similarity and temporal information", in Proceedings of the Symposium of the Korean Institute of Communications and Information Sciences, vol. 86, Gangwon, South Korea, Feb. 2025, pp. 516-517.
🏷️ Multivariate Time Series Forecasting
Mar 2019 - Aug 2024
- Cumulative GPA 4.41/4.5, Graduated first in the department🥇
- Minor in Global Finance and Banking
- Capstone project: "A novel stock screening approach using large language models and correlation-aware retrieval" (Advisor: Prof. Daeyoung Park)
🏷️ Large Language Model Information Retrieval Financial Analysis Portfolio Optimization
🎉 Activities
| Date | Activity | Description |
|---|---|---|
| Sep 2023 - Dec 2023 | 2023 Data Creator Camp | Big Data Training Hackathon: Food Image Classification Challenge, hosted by the K-ICT Big Data Center, [Excellence Award] |
| Mar 2023 - Jun 2024 | Blue Chip Mutual Fund | Financial Market Research & Stock Investment Institute, Inha Univ. • Research Team Leader & Fund Manager(Jan 2024 - Jun 2024), [Maximum managed assets: 40M KRW] • Presented at in-house company analysis seminars, with recordings available on YouTube. • Published a company analysis report and news articles in Incheon Ilbo. |
| Mar 2019 - Aug 2024 | int i | Programming Study Group in the Department of Information and Communication Engineering, Inha Univ. • Group Leader(Jul 2023 - Mar 2024) • Authored blog posts about programming for over 4 years, [Total blog views: 240K, Monthly: 9K] |
📚 Publications
- Seungjae Park et al., int i Study Blog, Jan. 2020 - Mar. 2024.
🏷️ Learning Blog Computer Science Quantitative Finance
- Seungjae Park, "[특징주] ESR켄달스퀘어리츠(365550), 국내 최대 물류 전문 리츠…18개 센터 기초자산", Incheon Ilbo, Jan. 2024.
- Seungjae Park, "[특징주] 한국항공우주(047810), 위성 넘어 우주로…하늘길 기술 역량 확장", Incheon Ilbo, Oct. 2023.
| Date | Name | Issuer |
|---|---|---|
| Jun 2024 | Certified Investment Manager | KOFIA |
| Jun 2024 | Engineer Information Processing National Technical Qualification | HRDK |
| Dec 2023 | Linux Master, Grade 2 Nationally Accredited Private Qualification | KAIT |
Languages
Platforms & Frameworks
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