Familiar with Python and SQL.ETL pipelines on Apache Airflow, and data lake building.User behavior tracking and big data statistical analysis on Spark.Multi-threaded real-time visualized dashboard for management and alert.Anomalies classification model and customer recommendation system design.Machine learning packages: NumPy, pandas, scikit-learn, TensorFlow, and nltk libraries.Cloud Services: Google BigQuery, GA4, AWS Aurora, and AWS Cloud Practitioner Certification.Databases: BigQuery, Aurora, MySQL, MSSQL, MongoSQL.Responsible/Communication Skills/Flexible in teamwork.
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Mid Data EngineerOpennet LimitedTaipei City, Taiwan
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Data EngineerOpennet Limited Jul 2023 - Present
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Ai Big Data ScientistAibd Technology Inc. Sep 2022 - Apr 2023台灣 臺北市Designed data lake and refactored AirFlow ETL pipelines to increase data availability in MongoDB by 30%.Utilized supervised learning algorithms to classify and identify defective products within industrial manufacturing processes. Repaired the AI analytics platform's machine signaling and production event analysis functionalities, established a log tracking system, and optimized the platform's efficiency using pySpark.
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Data AnalystGlaibo Digital Co., Ltd. 格萊鉑數位有限公司 Jul 2021 - Aug 2022Taipei City, TaiwanBuilt ETL pipelines on Apache Airflow loading event tracking data from BigQuery, and visualized analysis results by making an interactive web dashboard with Plotly and Flask.Analyzed historical transaction records and user behavior data through pyspark.Built crawler programs through Selenium to investigate and research competitor products.Developed new products through statistical models bringing 5% revenue to the company.Designed and built automated systems on the scheduler to increase efficiency by 80%. -
International Center InternWashington State University Sep 2020 - Dec 2020Prepared for weekly coffee hour activities.Invited company and school consultants to come and share job hunting information and experience.Planed festive speeches, game interactions, and prizes.Coordinated props and budgets with other teams. -
Software Engineer InternCyberon Corporation Jun 2018 - Aug 2018New Taipei City, TaiwanInvite and instruct 80 people to record voice commands in 10 languages as materials for voice recognition.Ensure recording quality and use Adobe Audition to edit audio files and remove background noise.Wrote a program in C language to organize the audio files to ensure consistency.
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Software Engineer InternJarvish Inc. Sep 2016 - Jan 2017Taipei City, TaiwanWrote test processes for testing mobile APP and smart helmet hardware.Tested multiple software and hardware versions according to the processes, and reported the failure records to engineers. -
Teaching AssistantTatung University Sep 2014 - Jun 2015TaiwanTutored more than 100 students in the two courses of C language programming and calculus.Led students to study in groups and develop their thinking skills.Helped 20% of students improve their grades and won the Excellent Teaching Assistant Award.
Yu-Chieh Wang Education Details
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Gpa 3.2
Frequently Asked Questions about Yu-Chieh Wang
What company does Yu-Chieh Wang work for?
Yu-Chieh Wang works for Opennet Limited
What is Yu-Chieh Wang's role at the current company?
Yu-Chieh Wang's current role is Mid Data Engineer.
What schools did Yu-Chieh Wang attend?
Yu-Chieh Wang attended Washington State University, Washington State University, Tatung University.
Who are Yu-Chieh Wang's colleagues?
Yu-Chieh Wang's colleagues are Daniel Chung, Mengchu (Dolly) Lin, Aiyo Zhan, 鄭惟仁, Ming-Huei (Amber) Wang, Leo Yu, Kelly Chang.
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Yu-Chieh Wang
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