Assistant Manager, Aug 2020 - Sep 2022

Lead  and manage  data team with 6 members, we are dedicated to deliver insights from data to the company, not only support decision-making for business but also provide tech solutions to our services and products. My contributions includes:

Advanced  Algorithm Engineer, Oct 2017 - Aug 2020

• Data streaming system development for near real time user tagging (Jan 2020 - Jul 2020)
  A kubernetes based application aims to link our content delivery system to the online readers according to their real time behaviors.
  
• I lead the system architecture design
• Handle concurrent traffic from over 5M users everyday
• Leverage google cloud services such as GKE, GAE, and Pub/Sub.
• General algorithm development in large scale (Oct 2017 - now)
  Deep learning is fascinating, I was a member of "Deep learning 101 Study Group" and learned a lot from there. However, in practical scenarios, it's surprising to see some fundamental algorithms can show us more insights.
• PySpark dataframe programming
• Recommendation algorithm design, improved and achieved the best performance at that time 
• Various classification tasks
• User profile construction with NLP.
• Information retrieval based chat bot
• Data warehousing and ETL management (Feb 2019 - now)
  I created some tools(e.g., airfly) to help us management our data more efficiently.  
  
• Based on PySpark
• Auto DAG generator: automatically resolve and build the task dependencies for our data pipeline
• Metadata management.
• More easier to perform data analytics such as EDA, data mining, machine learning tasks, etc.
• BI platform development (April 2019 - Oct 2019)
• Leverage Google Dataproc to handle large scale adhoc queries for business team.
• Provide daily user demographics, metrics and reports with datastudio.
• Tech lead of our 5th PIXNET HACKATHON (Jan 2018 - Sep 2018)
• I was in charge of the competition flow design, data preparation, technical support, and so on.
• For the promotion purpose, I gave a talk about speech recognition at Microsoft Tech Hub and GAN  at Taiwan R User Group

Zuirens

Acuratek

Embedded Application Engineer, May 2015 - Jan 2016

• POC Applications based on development platforms such as PIC32, nRF52xx, 8051, etc. 
  
• Android development based on OTG application.
  

Mechtronic Integration Engineer, Sep 2014 - Sep 2015

• 3-axis servo control with X-Y linear guideway installation.
  
• Mechatronic system and software integration.
  
• Application based on C# programming.

CORMA

Interactive Mechatronic Engineer, Aug 2013 - Aug 2014

• Motors and sensors control based on Arduino.