Unlocking the Data Layer for Agentic AI with Simba Khadder
AI agents are increasingly capable of reasoning and performing autonomous work over long periods. However, as agents take on more complex, longer-horizon tasks, keeping them supplied with the right information becomes the core engineering challenge. The industry is moving away from pre-loading context upfront toward a model where agents dynamically navigate and retrieve the data they need, when they need it.
Redis is approaching context management using a context engine, which is an architecture built around four pillars: on-demand context retrieval, data that is always current, fast retrieval, and a memory layer that improves over time. In practice this means building materialized views of data with a semantic layer on top, rather than giving agents direct access to production databases. A memory system sits alongside this, extracting and compacting information asynchronously as the agent works.
Simba Khadder leads AI strategy at Redis, and he previously co-founded the feature store platform FeatureForm, which was acquired by Redis in 2025. In this episode, Simba joins Kevin Ball to discuss why context has become the defining challenge in agentic AI, how context engines differ from traditional RAG architectures, how materialized views underpin reliable agent data pipelines, how memory systems can improve through async extraction and compaction, and how engineering teams need to adapt their practices as AI-driven development accelerates.
Full Disclosure: This episode is sponsored by Redis.
Kevin Ball or KBall, is the vice president of engineering at Mento and an independent coach for engineers and engineering leaders. He co-founded and served as CTO for two companies, founded the San Diego JavaScript meetup, and organizes the AI inaction discussion group through Latent Space.
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Accelerate Your Machine Learning With The StreamSQL Feature Store
Summary
Machine learning is a process driven by iteration and experimentation which requires fast and easy access to relevant features of the data being processed. In order to reduce friction in the process of developing and delivering models there has been a recent trend toward building a dedicated feature. In this episode Simba Khadder discusses his work at StreamSQL building a feature store to make creation, discovery, and monitoring of features fast and easy to manage. He describes the architecture of the system, the benefits of streaming data for machine learning, and how a feature store provides a useful interface between data engineers and machine learning engineers to reduce communication overhead.
Announcements
Hello and welcome to the Data Engineering Podcast, the show about modern data management
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Your host is Tobias Macey and today I’m interviewing Simba Khadder about his views on the importance of ML feature stores, and his experience implementing one at StreamSQL
Interview
Introduction
How did you get involved in the areas of machine learning and data management?
What is StreamSQL and what motivated you to start the business?
Can you describe what a machine learning feature is?
What is the difference between generating features for training a model and generating features for serving?
How is feature management typically handled today?
What is a feature store and how is it different from the status quo?
What is the overall lifecycle of identifying useful features, defining and generating them, using them for training, and then serving them in production?
How does the usage of a feature store impact the workflow of ML engineers/data scientists and data engineers?
What are the general requirements of a feature store?
What additional capabilities or tangential services are necessary for providing a pleasant UX for a feature store?
How is discovery and documentation of features handled?
What is the current landscape of feature stores and how does StreamSQL compare?
How is the StreamSQL feature store implemented?
How is the supporting infrastructure architected and how has it evolved since you first began working on it?
Why is streaming data such a focal point of feature stores?
How do you generate features for training?
How do you approach monitoring of features and what does remediation look like for a feature that is no longer valid?
How do you handle versioning and deploying features?
What’s the process for integrating data sources into StreamSQL for processing into features?
How are the features materialized?
What are the most challenging or complex aspects of working on or with a feature store?
When is StreamSQL the wrong choice for a feature store?
What are the most interesting, challenging, or unexpected lessons that you have learned in the process of building StreamSQL?
What do you have planned for the future of the product?
Contact Info
LinkedIn
@simba_khadder on Twitter
Parting Question
From your perspective, what is the biggest gap in the tooling or technology for data management today?
Closing Announcements
Thank you for listening! Don’t forget to check out our other show, Podcast.__init__ to learn about the Python language, its community, and the innovative ways it is being used.
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Links
StreamSQL
Feature Stores for ML
Distributed Systems
Google Cloud Datastore
Triton
Uber Michelangelo
AirBnB Zipline
Lyft Dryft
Apache Flink
Podcast Episode
Apache Kafka
Spark Streaming
Apache Cassandra
Redis
Apache Pulsar
Podcast Episode
StreamNative Episode
TDD == Test Driven Development
Lyft presentation – Bootstrapping Flink
Go-Jek Feast
Hopsworks
The intro and outro music is from The Hug by The Freak Fandango Orchestra / CC BY-SA
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