Eugene Yan

I'm Eugene Yan, applied scientist, writer & speaker, operator-angel.

I design, build, and operate machine learning systems that serve customers at scale. Currently, I'm a Senior Applied Scientist at Amazon. Outside of work, I also...

• ​​Write​, ​speak​, and ​prototype​ on ideas in machine learning, RecSys, and LLMs.
• Teach how to apply ML/LLMs effectively at ​ApplyingML.com​ & ​Applied-LLMs.org​.
• Host an ​AI Job Board​ for execs/seniors, monthly ​ML Meetups​, weekly ​LLM Paper Club.​​
• ​​Send​ a newsletter on data, ML, and what I'm learning to 7,000+ subscribers.

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​​Most Popular (last 10)​​

• ​​12 May 2024 · What We've Learned From A Year of Building with LLMs​​
• ​​30 Jul 2023 · Patterns for Building LLM-based Systems & Products​​
• ​​11 Jun 2023 · Obsidian-Copilot: An Assistant for Writing & Reflecting​​
• ​​21 May 2023 · Some Intuition on Attention and the Transformer​​
• ​​14 Aug 2022 · Simplicity is An Advantage but Sadly Complexity Sells Better​​
• ​​31 Jul 2022 · Uncommon Uses of Python in Commonly Used Libraries​​
• ​​12 Jun 2022 · Design Patterns in Machine Learning Code and Systems​​
• ​​19 Sep 2021 · The First Rule of Machine Learning: Start without Machine Learning​​
• ​​27 Jun 2021 · System Design for Recommendations and Search​​
• ​​28 Feb 2021 · How to Write Better with The Why, What, How Framework​​

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​​Featured Talks​​

• ​​09 Oct 2023 · AI Engineer Summit 2023 Keynote - Building Blocks for LLM Systems​​
• ​​23 Sep 2022 · RecSys 2022 Keynote - Is the Juice Worth the Squeeze?​​
• ​​15 Sep 2021 · MLOps Community - System Design for RecSys & Search​​
• ​​17 Jan 2021 · DataTalksClub - The Importance Of Writing In A Tech Career​​
• ​​03 Oct 2019 · OLX Prod Tech 2019 Keynote - Asia's Tech Giants & SuperApps​​

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​​My Favourites​​

• ​​04 Sep 2022 · Writing Robust Tests for Data & Machine Learning Pipelines​​
• ​​02 May 2021 · The Metagame of Applying Machine Learning​​
• ​​28 Feb 2021 · How to Write Better with The Why, What, How Framework​​
• ​​02 Aug 2020 · What I Did Not Learn About Writing In School​​
• ​​09 Jul 2020 · The 85% Rule: When Giving It Your 100% Gets You Less than 85%​​

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185 ​posts​, 27 ​talks​, 14 ​prototypes​, 358,904 words, and countless hours.