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    Julien Le Dem

    Open Source, Architect, Founder, Angel, Advisor, OpenLineage project lead, Parquet and Arrow co-founder

    Julien Le Dem is a prominent figure in the open-source software and data engineering communities, currently serving as a Principal Engineer at Datadog. Here's a comprehensive overview of his background and achievements:

    Professional Experience

    Julien recently joined Datadog as a Principal Engineer in May 2024. Prior to this, he held several notable positions:

    • Chief Architect at Astronomer (November 2021 - May 2024)
    • CTO & Co-Founder of Datakin (January 2020 - November 2021)
    • Senior Principal Engineer at WeWork (November 2017 - January 2020)
    • Principal Architect at Dremio (August 2015 - June 2017)
    • Various roles at Twitter and Yahoo!, including Principal Engineer

    Open Source Contributions

    Julien is deeply involved in numerous open-source projects:

    • Co-creator of Apache Parquet and Apache Arrow
    • OpenLineage project lead at LFAI&Data
    • Apache Arrow PMC member
    • Apache Iceberg PMC member
    • Former Apache Pig PMC chair (2013)

    Expertise and Skills

    • Software architecture and design
    • Data platform development
    • Open-source project leadership
    • Collaborative problem-solving
    • Mentoring and technical leadership

    Education

    Julien holds a Master's Degree in Computer Science from Institut Supérieur d'Informatique Modélisation et leurs Applications, with additional studies in Mathematics and Physics.

    Notable Achievements

    • Co-founded Datakin, an end-to-end DataOps solution (acquired by Astronomer)
    • Instrumental in creating industry-standard data formats and tools
    • Frequent speaker at tech conferences and podcasts
    • Known for his ability to explain complex concepts clearly

    Julien Le Dem is recognized for his technical expertise, leadership in open-source communities, and contributions to data engineering advancements. His work has significantly impacted how organizations manage and process large-scale data.

    Highlights

    Jul 24 · selectstar.com
    Parquet and Composable Data Systems with Julien Le Dem
    Oct 16 · VentureBeat
    The 2021 machine learning, AI, and data landscape - VentureBeat
    Oct 16 · VentureBeat
    The 2021 machine learning, AI, and data landscape - VentureBeat
    The 2021 machine learning, AI, and data landscape - VentureBeat

    Related Questions

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