Nat LeeYing Tse Lee
Software Engineer · Taipei, Taiwan
Software engineer in Taipei building backend systems, data platforms and forecasting tools. Explore Rust services, Python libraries and interactive web projects.
Work
HD Renewables Co., Ltd.
2023.04 – Present · Taipei, Taiwan
Deputy ManagerTransfer
2026.05 – PresentStar Trade Co., Ltd. · On assignment in Tokyo, Japan · 2026.05 – 2026.08
Transferred within the HD Renewables group to its subsidiary Star Trade while retaining the Deputy Manager role. Leads engineering for overseas power trading — market data, bidding systems, and the planning of automated trading modules — including a Tokyo posting to drive vendor requirement design and support live bidding.
- Transferred within the HD Renewables group to Star Trade while retaining the Deputy Manager role
- Completed a three-month Tokyo assignment (2026.05–2026.08) as the on-site technical counterpart to the vendors, aligning requirements and system design directly with them
- Supported Japanese power-trading bids on site, shortening the feedback loop between the trading desk and the engineering team
Deputy ManagerPromotion
2026.03 – 2026.05Moved onto the management track as Deputy Manager and kicked off the power-trading data platform — a centralized system that ingests Japan's electricity market and weather data to underpin trading and forecasting.
- Transitioned from an individual contributor to a management role
- Launched the foundation of the trading data platform consolidating market and weather data
Principal EngineerPromotion
2025.09 – 2026.03Promoted to Principal Engineer, taking technical ownership of the international power-trading strategy stack — the spot-price prediction models and the data pipelines feeding the Japan and Australia trading desks.
- Promoted from Senior Engineer to Principal Engineer within the International Power Trading Division
- Hardened the spot-market prediction pipeline into a reliable daily production service
Senior EngineerTransfer
2024.12 – 2025.09Transferred to the International Power Trading Division, focusing on developing power trading strategies for Japan and Australia markets. Developing spread strategy models to predict spot market electricity prices and assist traders in decision-making.
- Developed spot market prediction model for electronic trading strategies
Senior Engineer
2023.04 – 2024.12Developed solar power prediction and display systems, optimized power matching algorithms, and integrated various platforms with advanced authentication systems.
- Successfully deployed solar power prediction system for demonstration site
- Improved algorithm efficiency by 25% through optimization
- Enhanced platform security and user experience with SSO integration
Big Data Co., Ltd.
Taipei, Taiwan
Senior Software Engineer
2021.12 – 2023.04Developed NLP and data platforms using Python and deep learning frameworks. Built sentiment analysis platform processing over 3 billion data points with 30% accuracy improvement. Led backend development for dashboard projects and CDP platforms.
- Processed over 3 billion data points through sentiment analysis platform
- Achieved 30% improvement in model accuracy compared to previous solutions
- Successfully deployed scalable microservices architecture handling high API traffic
TAIWAN-CA, Inc.
Taipei, Taiwan
Senior Software Engineer
2021.09 – 2021.11Worked on cybersecurity products, focusing on CA certificate applications and writing comprehensive test cases for security systems.
- Developed comprehensive test suite for TSA (Time Stamping Authority)
- Successfully implemented certificate-based security products
Infortrend Technology, Inc.
New Taipei, Taiwan
Image Processing Software Engineer
2019.10 – 2021.03Specialized in computer vision and deep learning solutions. Developed AI applications for medical imaging, retail analytics, and embedded advertising systems using edge computing devices.
- Developed AI solution for Alzheimer's disease diagnosis using MRI/PET brain image processing
- Created human pose recognition system for fisheye cameras improving narrow space monitoring
- Built heat map detection system for retail stores optimizing product exposure
- Implemented embedded advertising recommendation system detecting crowd demographics
Leopard Mobile, Ltd.
Taipei, Taiwan
Software and AI Engineer
2018.07 – 2019.10First professional role developing web scraping and data analysis platforms. Built NLP models, voice recognition systems, and blockchain-related applications using various technologies.
- Built ICO sentiment analysis platform 'Rating Token & Coin Master' with integrated NLP models
- Developed Taiwanese Hokkien song recognition model for voice-controlled smart speakers
- Created comprehensive data annotation platform for Chinese reading comprehension and Taiwanese speech recognition models
- Successfully deployed scalable web scraping infrastructure processing social media data
Education
National Taiwan University of Science and Technology
2017 – 2019Master · Computer Science and Engineering
National Taiwan Ocean University
2012 – 2016Bachelor · Marine Environmental Informatics · Minor in Computer Science and Engineering
Skills
- Programming Languages
- Python 8 yrs · JavaScript 4 yrs · Java 2 yrs · TypeScript 2 yrs
- Backend Frameworks
- Django 5 yrs · FastAPI 3 yrs · Flask 4 yrs
- AI/ML Frameworks
- PyTorch 4 yrs · TensorFlow 3 yrs · PaddlePaddle 2 yrs · OpenCV 4 yrs
- Databases
- MySQL 6 yrs · Elasticsearch 4 yrs · MongoDB 2 yrs · Redis 3 yrs
- DevOps & Tools
- Docker 5 yrs · Kubernetes 2 yrs · Airflow 3 yrs · Git 6 yrs
- Specializations
- Natural Language Processing 5 yrs · Computer Vision 4 yrs · Time Series Analysis 3 yrs · MLOps 3 yrs
- Languages
- Mandarin Native · Japanese JLPT N1 · English Professional
Open-source contributions
- jeanp413/open-remote-ssh8 merged PRs, including the host list in Connect to Host, known_hosts verification and ProxyJump fixes.
- Eugeny/russhFixed Dropbear client connections to russh servers under strict key exchange by accounting for an ignored guessed packet.
- serengil/deepfaceBatch age and gender prediction.
- tensorflow/modelsCompatibility fixes for newer TensorFlow and Python 3.
- nipy/nipypeA docs fix in the example code.