- Propose data team OKR and construct the work process which makes our teammates realize how to achieve the objective to contribute to the company's vision. ・Enable everyone to get helpful information using simple SQL queries ・Increase reliability of data in the different data layer - Build up the recommendation system to ・Suggest eligible developers to our clients. ・Outreach companies to join Arc by our highly matched developers - Extract key information from Arc external jobs ・ mainly tech-stacks via Word2vec + K-means ・ information of location via NER + ensemble unsupervised model (LDA, NMF, K-means) - Organize the data team to do the weekly sync and backlog discussion. - Host the study group with the dev and data team - Optimize job recommendation mechanism and re-write by PySpark

- Build up fin-tech model to detect high risk customer ・ Define features and implement ・ Design research architecture include platform, review tool, document management platform etc... ・ Lead junior analysis to achieve sprint goals - Lead data interns to make a data product to contribute to company vision ・ Network Embedding for call behaviors ・ Spam prediction (fast-version) ・ Personalized offline db ・ Profile prediction (age, gender, job, region) - Propose AI roadmap, includes productized research result and industry-university cooperation. - Involve in server development and data flow build-up for fin-tech product (a B2B service) from scratch. - Involve in web development for 165 National Police Department of Taiwan.

- Full stack web Development - Data analysis and Anomaly detection for smart home - NLU (Nature Language Understanding) for department store