---
title: AI Engineer 2025 - Improving RecSys & Search with LLM techniques
link: https://eugeneyan.com//speaking/aie-2025/
source: eugeneyan-com
published: 2025-06-04T00:00:00Z
updated: 2025-06-04T00:00:00Z
first_seen: 2026-09-27T19:29:15.293681927Z
labels:
- engineering
- llm
- production
- recsys
summary: Recsys & search are converging with LLMs via semantic IDs, data augmentation, and unified foundation models.
content: extracted
html: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.html
preview:
  file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.preview-20af65de9098.webp
  width: 256
  height: 134
  color: '#edeceb'
images:
- source: https://eugeneyan.com/assets/og_image/aie-2025.jpg
  original:
    file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-203d3ab131f1.jpg
    width: 1200
    height: 630
  color: '#fefefe'
- source: https://eugeneyan.com/assets/icon-twitter.svg
  original:
    file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-9f73746a86e9.png
    width: 512
    height: 512
  variants:
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-10d32c0d6dac.webp
    width: 320
    height: 320
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-1a1653690e12.webp
    width: 512
    height: 512
  color: '#000000'
- source: https://eugeneyan.com/assets/icon-linkedin.svg
  original:
    file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-50dfb45d5f9e.png
    width: 505
    height: 505
  variants:
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-b7fdeee63d68.webp
    width: 320
    height: 320
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-003cf9435e7e.webp
    width: 505
    height: 505
  color: '#000000'
- source: https://eugeneyan.com/assets/bluesky.svg
  original:
    file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-cd93481613cb.png
    width: 600
    height: 530
  variants:
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-1790c4125e73.webp
    width: 600
    height: 530
  color: '#1084fd'
- source: https://eugeneyan.com/assets/icon-facebook.svg
  original:
    file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-68df389f82c9.png
    width: 256
    height: 256
  variants:
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-6035d4122baf.webp
    width: 256
    height: 256
  color: '#3b5998'
- source: https://eugeneyan.com/assets/icon-mail.svg
  original:
    file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-bf2110bd7265.png
    width: 512
    height: 512
  variants:
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-c80acd329b85.webp
    width: 320
    height: 320
  - file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-84c4e78a876d.webp
    width: 512
    height: 512
  color: '#000000'
- source: https://i.ytimg.com/vi/2vlCqD6igVA/hqdefault.jpg
  original:
    file: 2025-06-04-ai-engineer-2025-improving-recsys-search-with-llm-techniques.image-fd513b9be08d.jpg
    width: 480
    height: 360
  color: '#020203'
---

Was invited to host the RecSys track at AI Engineer World’s Fair 2025 in San Francisco. Sharing my opening slides here, as well as the YouTube recording of the entire track.

[YouTube video player](https://www.youtube.com/watch?v=2vlCqD6igVA)

If you found this useful, please cite this write-up as:

> Yan, Ziyou. (Jun 2025). AI Engineer 2025 - Improving RecSys & Search with LLM techniques. eugeneyan.com. https://eugeneyan.com/speaking/aie-2025/.

or

```
@article{yan2025aie-recsys,
  title   = {AI Engineer 2025 - Improving RecSys & Search with LLM techniques},
  author  = {Yan, Ziyou},
  journal = {eugeneyan.com},
  year    = {2025},
  month   = {Jun},
  url     = {https://eugeneyan.com/speaking/aie-2025/}
}
```

Share on:

![](https://eugeneyan.com/assets/icon-twitter.svg)

![](https://eugeneyan.com/assets/icon-linkedin.svg)

![](https://eugeneyan.com/assets/bluesky.svg)

![](https://eugeneyan.com/assets/icon-facebook.svg)

![](https://eugeneyan.com/assets/icon-mail.svg)

Join **11,800+** readers getting updates on machine learning, RecSys, LLMs, and engineering.