20210522 LINE Data Dev team introduction

LINE Recruitment Day 2021 @ online by Penny Sun

Event: https://linegroup.kktix.cc/events/20210522-devel
Streaming page: https://www.facebook.com/LINEDevelopersTW

Transcript

1. LINE Taiwan
   Data Engineering Team
   

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2. Who we are: Mission
   AI-enable
   Applications
   Business
   Intelligence
   

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3. Who we are: Mission
   AI-enable
   Applications
   Business
   Intelligence
   Marketing
   Tools
   LINE
   Family
   Services
   LINE
   TODAY
   LINE
   SHOPPING
   LINE
   SPOT
   LINE
   MUSIC
   LINE
   Sticker
   Timeline
   LINE
   POINTS
   Official
   Account
   Fact
   Checker
   LINE
   HELP TW
   LINE
   Travel
   Ads
   

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4. What We Do: ML/DS
   Marketing
   Tools
   LINE
   Family
   Services
   LINE
   TODAY
   LINE
   SHOPPING
   LINE
   SPOT
   LINE
   MUSIC
   LINE
   Sticker
   Timeline
   LINE
   POINTS
   Fact
   Checker
   LINE
   HELP TW
   LINE
   Travel
   NLP
   Knowledge
   Graph
   Uplift
   Modeling
   Official
   Account
   Ads
   NER
   Classifier
   Duplication
   Detector
   Auto
   completion
   Keyword
   Extraction
   Related
   Search
   Text
   Generation
   User
   Tagging
   Data
   Analytics
   Recom-
   mendation
   

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5. POI
   Recommendation
   Recommend personalized POIs
   - Increase user engagement
   - Consider cold start users
   #Recommendation #LINE SPOT
   

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6. Article
   Auto-tagging
   Automatic extract keywords from articles
   - Increase page views
   - Find popular topics
   #NLP #Keyword Extraction
   #LINE TODAY #LINE SHOPPING #LINE Travel
   

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7. Advertisement
   User targeting
   #Knowledge Graph #LINE POINTS
   Find new users by Knowledge Graph
   - Increase users
   

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8. Advertisement
   User targeting
   #Knowledge Graph #LINE POINTS
   Find new users by Knowledge Graph
   - Increase users
   User
   A
   New
   User
   User
   B
   belong
   to
   belong
   to
   click
   click
   click
   OA
   1
   click?
   follow
   follow
   belong
   to
   click
   Category
   2
   Category
   1
   Campaign
   B
   Campaign
   A
   Campaign
   C
   

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9. Official Account
   User targeting
   #Uplift Modeling #LINE Sticker
   Find persuadable users by Uplift Modeling
   - Reduce marketing cost
   - Reduce mute rate
   

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10. Official Account
    User targeting
    #Uplift Modeling #LINE Sticker
    Find persuadable users by Uplift Modeling
    - Reduce marketing cost
    - Reduce mute rate
    No Yes
    No
    Yes
    Buy if not treated
    Buy if treated
    Uplift Model
    

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11. What We Do: MLOps
    NLP
    Knowledge
    Graph
    Uplift
    Modeling
    NER
    Classifier
    Duplication
    Detector
    Auto
    completion
    Keyword
    Extraction
    Related
    Search
    Text
    Generation
    User
    Tagging
    Data
    Analytics
    Recom-
    mendation
    ML Ops
    Dev
    Notebook
    Feature Eng.
    Model version
    Monitoring
    GPU
    Automation
    

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12. Data
    Engineer
    ML
    Engineer
    Data
    Scientist
    Team Structure
    Define the
    service metrics
    Data-driven
    decision
    Research & apply
    ML algorithm
    Massive dataset
    processing
    ML Pipeline
    (MLOps)
    

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13. We Are Hiring!
    Data
    Engineer
    Data
    Scientist
    Data Pipeline
    architecture
    ML Pipeline
    (MLOps)
    Massive dataset
    processing
    Data-driven
    decision
    Define the
    service metrics
    Visualize and
    simplify the data
    3+ years of
    experience
    Qualifications
    Responsibilities
    Responsibilities
    Advanced SQL
    skills
    A product
    mindset
    Experience building
    distributed service
    Qualifications
    Experience with big data
    tools (Hadoop, Spark,…)
    Experience applying ML
    to real world problems
    

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14. Thank You
    

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