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Alvin Li is a Senior Data Engineer at Acubed. He possess expertise in machine learning, matlab, r, java, eeg and 26 more skills.
Acubed
View- Website:
- airbusgroup.com
- Employees:
- 82570
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Senior Data EngineerAcubedCalifornia, United States -
Senior Data EngineerAcubed Aug 2022 - PresentSunnyvale, California, Us -
Senior Data Engineer2K Jun 2020 - Aug 2022Novato, California, Us -
Data Engineer2K Aug 2017 - May 2020Novato, California, Us -
Data Engineering FellowInsight Data Science Jan 2017 - May 2017San Francisco, Ca, Us● Built platform to aggregate item sale information in the game Path of Exile and allow users to subscribe and receive alerts on sales of items of interest● Platform made using open source distributed computing technologies● Platform built on Amazon Web Service EC2 cluster of nine machines, 4 for stream processing using Flink, 4 for running RethinkDB database and handling Kafka message queue and 1 for hosting webapp● Built a program to continuously call Path of Exile market API (one call per second) with Java and wrote results to Kafka topic as JSON, consumed 150GB data per day● Built a stream processing pipeline using Java and Apache Flink to read item data from Kafka message queue and compute mean and standard deviation of item prices in real time and write item data into NoSQL document store database RethinkDB● Applied stateful streaming to compute mean and standard deviation of prices by using six hour sliding time windows to ensure computed price metrics adjust to price fluctuations and one hour sliding time window to filter out previously listed items and to control memory consumption of Flink● Built webapp using Python based webserver Tornado that displayed output of processing pipeline● Webapp used websocket to display in real-time all new items that appeared in the Path of Exile marketplace that were at least one standard deviation below the average price of the most recent six hour window -
Staff Research AssociateUniversity Of California San Diego Jul 2015 - Dec 2016La Jolla, Ca, Us● Investigated the correlation of electrical brain activity (EEG) with learning and uncertainty in adults and children● Built data processing pipeline in MATLAB and EEGLAB to process raw EEG data and perform data cleaning, filtering, Independent Component Analysis, and segmentation to prepare data for analysis● Preserved each stage of data processing to allow modifications to be made to later stages of processed data, total data volume approximately 100GB● Analyzed EEG data in time domain and frequency domain using R with general linear models and prepared conference presentations and reports for funding agencies● Data processing pipeline continues to be used by other researchers in the lab● Provided technical support to aid other researchers in modifying pipeline for their specific use cases
Alvin Li Skills
Alvin Li Education Details
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Uc San DiegoCognitive Science -
Uc IrvineMinor Computer Science
Frequently Asked Questions about Alvin Li
What company does Alvin Li work for?
Alvin Li works for Acubed
What is Alvin Li's role at the current company?
Alvin Li's current role is Senior Data Engineer.
What is Alvin Li's email address?
Alvin Li's email address is alvin.li@2k.com
What schools did Alvin Li attend?
Alvin Li attended Uc San Diego, Uc Irvine.
What skills is Alvin Li known for?
Alvin Li has skills like Machine Learning, Matlab, R, Java, Eeg, Brain Computer Interfaces, Computer Vision, Apache Kafka, Apache Flink, Rethinkdb, Amazon Web Services, Database.
Who are Alvin Li's colleagues?
Alvin Li's colleagues are Jeeval Kumari, Carlos Veneros, Hafiz U, Amélie Delmouly, Mounia J., Terence Bidot, Candice F.
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