Liza Katz

Leading an AI Hackathon at Hopper Security

Led an AI hackathon at Hopper Security, exploring advanced LLM architectures and helping teams tackle real GenAI product challenges.

Advanced RAG Workshop at Astrix Security

Delivered a hands-on workshop on advanced LLM applications and RAG techniques at Astrix Security, covering embeddings, retrieval strategies, and practical experimentation.

Certification: AWS Certified Data Engineer – Associate

Achieved AWS Certified Data Engineer – Associate certification, validating expertise in data ingestion, transformation, orchestration, and data lifecycle management on AWS.

Speaking at Build Stuff Vilnius 2025

I'll be speaking at Build Stuff in Vilnius, Lithuania on the 3rd of December 2025. Looking forward to it!

AWS RAG & GenAI Innovation Workshop 2025

Delivering a hands-on RAG workshop with the AWS team to help customers build a real demo on their own data.

Certification: AWS Certified Machine Learning Engineer – Associate

Achieved AWS Certified Machine Learning Engineer – Associate certification, validating expertise in designing, implementing, and maintaining ML solutions on AWS.

Speaking at PyCon Israel 2025: WTF Are Embeddings? A Software Engineer's Take

I'm excited to announce that I'll be speaking at PyCon Israel 2025 with a talk that demystifies embeddings for software engineers - no ML PhD required!

Upcoming Webinar: RAG with OpenSearch - A Crash Course for Building RAG Applications

Join me on July 30th for a comprehensive workshop on building production-ready RAG applications with OpenSearch, covering everything from data preparation to LLM integration.

New Workshop: Introduction to RAG in Production

Learn to build and deploy production-ready Retrieval-Augmented Generation (RAG) systems with hands-on guidance from preprocessing to evaluation.

Recognized as a Top Voice in Search Tech by Pulse Support

I was honored to be featured in Pulse Support's 'Top Voices in Search Tech' initiative, sharing insights about my journey in search technologies and GenAI.

Featured on the Official OpenSearch Blog: Recipes to Vectors Tutorial

I'm thrilled to share that my vector search tutorial was featured on the official OpenSearch blog - a significant recognition from the OpenSearch community.

Presented at the First OpenSearch Tel Aviv Meetup: WTF Are Embeddings?

I had the pleasure of presenting at the inaugural OpenSearch Tel Aviv meetup, sharing insights about embeddings in a fun and educational talk.

Introducing Shraga: A Minimal RAG Framework for Production

I published an article about Shraga, an open-source RAG framework I created with Big Data Boutique - designed to build production-ready GenAI applications without the bloat.

New Tutorial: Building Vector Search Applications with OpenSearch

I published a comprehensive hands-on tutorial on the Big Data Boutique blog demonstrating how to use OpenSearch as a vector database with real-world recipe data.

New Tutorial: Building Semantic Search Applications with Elasticsearch

I published a comprehensive hands-on tutorial on the Big Data Boutique blog about building hybrid search applications using Elasticsearch as a vector database.

New Article: Understanding Vector Search in OpenSearch and Elasticsearch

I published a foundational article on the Big Data Boutique blog introducing vector search concepts and how they work in OpenSearch and Elasticsearch.

Certification: AWS Certified AI Practitioner

New Article: Building Blazing Fast Reports with Elastic Transforms and ES|QL

I published an article on Medium demonstrating how to create high-performance reporting infrastructure using Elasticsearch Transforms and the new ES|QL query language.