Summary
- Software engineer with 8+ years' experiences in mobile protocol stack, middleware and apps development in C.
- ML engineer with 3+ years' experiences in NLP, Computer Vision, recommendation system.
- Passionate about machine learning, data mining, NLP, Computer Vision and big data analytics.
Skills
Programming Languages
- C/C++
- Python
- SQL
- R
- Swift
- Java
Data Engineering / Machine Learning Tools
- Scikit-Learn, Numpy, Pandas
- Tensorflow, Keras, Pytorch
- NLP: Gensim, Jieba, BERT
- Visualization: pyplot, ggplot2
- Similarity Search: Faiss
- Workflow: Airflow
- Cloud: GCP BigQuery, GAE, GCE, GCS, Dataproc, Dataflow, Data Studio
- DB: MySQL, PostgreSQL
- Search Engine: ElasticSearch
- Distributed Computing: pyspark
- Docker
Domain Knowledge
- Machine Learning: SVM, Logistic Regression, Random Forest, GBM,...etc.
- Deep Learning: CNN, RNN, LSTM, Transformer, BERT, Word Embedding, Object Detection, Reinforcement Learning, ...etc.
- Mobile Protocols: GPRS/WCDMA/HSPA, TCP/IP
Education
National Chiao Tung University, Taiwan，Sep. 2003 - Oct. 2005
M.S. in Computer Science and Engineering
National Chiao Tung University, Taiwan，Sep. 1999 - Jun. 2003
B.S. in Computer Science and Engineering
Experiences
ML Engineer，May. 2022 – Present
RevoVision, Taiwan
- Spam and profanity filter for online casino chat rooms
- compared with the original design, the mistaken deletion rate is reduced by 20% ~ 30%
- Automatic user nickname change audit system
- accuracy: about 98%
- Dealer Photo Cropping Tool
- automatically generate thumbnails that can be used as game room dealer headshots
- automatically horizontally flip the thumbnails to make each dealer face the same direction in the photo
- save manpower and time required for manual cropping
- Assist in risk analysis of various online casino games
Senior Algorithm Engineer，Jun. 2018 – Aug. 2020
PIXNET, Taiwan
- Adopt BERT to Implement auto reply feature for customer service department
- Implemented search by Image service
- one can search similar images and related BLOG articles in PIXNET with a photo
- Word suggestion API for PIXNET bloggers
- will provide recent hot keywords or names of POIs for bloggers to add hashtags according to what they type
- Algorithms implementation to recommend hot related articles
- 4%~8% CTR improvement
- Voice check-in system for PIXNET HACKATHON 2018
- Photo Style Transfer for PIXNET Social Summit 2019
Postgraduate，Jan. 2018 – Apr. 2018
Taiwan AI Academy, Taiwan
- This bootcamp covers traditional ML and Deep Learning technologies.
- Programming Language: Python / R
- Final Project: Photo Teller - Image Caption
- http://www.phototeller.ml/
- Merit Award of Final Project Presentation of Taiwan AI Academy
- Adopt CNN to extract image features, and attention model to help LSTM language model generate captions
- Implement in Tensorflow(main model) and Keras(image feature extraction)
- Competition: T-brain file agnostic malware detection
- https://tbrain.trendmicro.com.tw/Competitions/Details/1
- rank 20% in competition, AUC 0.924134
- Adopt XGBoost with GridSearch to perform logistic regression and predict if a file is a malware
Principal Software Engineer，Sep. 2012 – Mar. 2015
MediaTek, Taiwan
- Responsible for 3G L2 Network Protocols software maintenance
- Implemented L2 RLC/BMC part for dual SIM/dual standby projects
Senior Software Engineer，May. 2007 - Sep. 2012
MStar Semiconductor, Taiwan
- Responsible for 2.5G L2/L3 Data Plane Network Protocols
- Designed and modified the MStar proprietary TCP/IP and DCHP to support Wi-Fi feature
- Developed new data delivery mechanism to enhance data throughput of Wi-Fi. Throughput raised by 50% and MIPS consumption reduced by 40%
- Supported the multimedia team for the Tudou HTTP/RTSP video streaming app (www.mstarsemi.com/tw/news.php#64)
Software Engineer，Feb. 2006 - Apr. 2007
BenQ, Taiwan
- Ported a 3rd party QR code scanner solution and implemented the corresponding app
- Ported a picture rendering solution (Scalado) to speed up the pictures / thumbnails rendering
Courses & Certificates
- Coursera Data Engineering, Big Data, and Machine Learning on GCP Sep. 2021
- Coursera Smart Analytics, Machine Learning, and AI on GCP Sep. 2021
- Coursera Building Resilient Streaming Analytics Systems on GCP Aug. 2021
- Coursera Building Batch Data Pipelines on GCP Jul. 2021
- Coursera Modernizing Data Lakes and Data Warehouses with GCP Jul. 2021
- Coursera Leveraging Unstructured Data with Cloud Dataproc on Google Cloud Platform Jul. 2018
- Coursera Google Cloud Platform Big Data and Machine Learning Fundamentals Jun. 2018
- Taiwan AI Academy courses Jan. 2018 - Apr. 2018
- Udemy R Programming A-Z: R for Data Science with Real Exercises Jan. 2018
- Udemy The Complete IOS 10 & Swift 3 Developer Course Oct. 2017
- NTU@Coursera Machine Learning Foundations & Techniques Jun. 2017
