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林奕勳
AI Engineer
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林奕勳

AI Engineer
6+ years of python software design experience, focusing on large-scale AI product development, specialized in the design of developer framework, SDK, and testing methods for optimizing the research/deployment flow of data science, ETL, and machine learning pipelines. 4+ years of financial AI development experience, as the developer, product owner, and techical leader of data science department, participate in the prototyping, evaluation, and deployment phase of various data products, including house price and credit loan estimation services, and 360 degree customer knowledge graph data services. 2+ year of participation in the technology management assistant bootcamp, with real-experience on business user support, gaining first-hand insight on financial and corporative AI usage via cross-department collaboration. Having excellent code-quality standard, efficiency-oriented thinking, and perseverance in face of challenging problems; Continue absorbing “technical-nutrients” from the development of open-source AI and data engineering community.
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玉山銀行智能金融處 (Intelligent Finance Dept., E-SUN Bank )
National Taiwan University
Taipei, Taiwan
Taiwan

Professional Background

  • Current Status
    Employed
  • Profession
    Data Engineer
    Big Data Engineer
    Data Scientist
  • Fields
    Software
    Banking
  • Work Experience
    2-4 years (2-4 years relevant)
  • Management
    I've had experience in managing 1-5 people
  • Skills
    Research
    Machine Learning
    python programming
    Numpy Data Manipulation
    Linux
    Github
    Airflow
    Design Patterns
    Docker
    Python Programming
    PyTorch
    Pytorch Lightning
    SQL Database
    PostgresSQL
    Neo4j
    Cypher coding
    Kibana Dashboard
    Grafana
    FastAPI(Python)
    Communication
  • Languages
    English
    Intermediate
  • Highest Level of Education
    Master

Job Search Preferences

  • Current Status
    Open to opportunities
  • Desired Job Type
    Full-time
    Interested in working remotely
  • Desired Positions
    Data Analysis、 Data Engineer、Database Engineer
  • Desired Work Locations
    Taipei, Taiwan
    Hsinchu, Hsinchu City, Taiwan
  • Freelance
    Part-time freelancer

Work Experience

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人工智慧工程師

Aug 2020 - Present
Taipei, Taiwan
大數據服務架構設計與開發:從零建立一套全公司共用的數據服務平台,銜接各事業處RDB資料,整理出多種節點與連線,供BA、DA、Marketing人員進行Customer Exploration & Modeling,並持續因應需求變化進行資料流之品質、擴充彈性與效率的強化與提升,同時因應組織與稽核要求規劃對應的權限控管與血源衝擊管理機制。 ETL框架設計:主導設計結構化資料框架以幫助公司資料科學團隊在低轉換成本將類pandas資料處理pipeline導入airflow自動排程系統,並同時提供底層自動銜接CuDF加速容器功能,使資料運行瓶頸能達到400倍以上加速。 ETL效能提升研究:指導實習生建置類pandas套件的速度與空間效能的profiling實驗框架與模擬環境,以協助資料科學團隊快速評估各種ETL元操作與其使用之套件的最佳組合方案。 信貸行銷方案產製專案:在此跨部門合作專案中,代表AI部門協助與指導業務部門以python與SQL將業務邏輯整合進框架中,主導行銷方案運算的框架的設計以支援未來貸款方案擴增彈性及跨部門協作的方便性,另外,也針對運算瓶頸協助透過多進程與多容器運算將700萬顧客資料的inference 時間從5天加速到8小時。 房貸比較法Graph 模型研發:深入了解不動產估價技術法規,改寫學界的深度學習房屋估價模型以加入符合法規要求的解釋性,並以Google SCANN加速估價案例發查速度,以提升模型training 與inference data的產製速度以及提升可擴充的彈性。 Deep Learning 實驗框架設計:以pytorch-lightning 與lazy-computation 為核心建構規格化的深度學習實驗框架,以加速外部合作學術機構所研發的模型架構導入,並以Ray tune 建置多進程平行調參功能以加速模型優化速度。 GitHub SideProjects: - JSON Schema 自動生成 - 資料管線 Monad Design Pattern 研發 - PyPi 套件Dependency Graph爬蟲 - 加密貨幣市場趨勢分析平台API - Python Multiprocessing 平行運算工具研究 - Ray Multiprocessing Actor 實作開發 - Python AST 語法樹研究 - 基於Ray的模型自動調參工具研究

產學合作研究生

Sep 2015 - Jan 2020
4 yrs 5 mos
Research and develop machine learning techniques for music recommendation and retrieval system under programs between MPAC lab and KKBOX. Programs: [1] https://www.grb.gov.tw/search/planDetail?id=12487954 [2] https://www.grb.gov.tw/search/planDetail?id=12375507 Publication: https://www.eurasip.org/Proceedings/Eusipco/Eusipco2018/papers/1570437289.pdf Research Summary: https://www.evernote.com/shard/s89/nl/19207065/d165721b-0951-4e23-a783-9a4382ce6ebe Commends of my journal paper: https://www.evernote.com/l/AFk1iCBz5UhOLJowRl3klttz8BEmW38gfBI/

App Software Development Intern

Jul 2014 - Aug 2014
2 mos
Analyzed app UI design and proposed an improved designed

Education

Master’s Degree
Graduate Institute of Communication Engineering
2015 - 2020
Bachelor’s Degree
Department of Electrical Engineering
2011 - 2015
3.9/3.9 GPA
Activities and societies
電機之夜熱音樂團的執行長 英文營的學術股長 AISEC海外實習計劃 YEF國際青年創業領袖計畫