Machine Learning Specialist
Patrick Deziel
Distributed Systems Engineer
Patrick Deziel is a distributed systems engineer and machine learning specialist at Rotational Labs. He has extensive experience building and maintaining mission-critical systems in the private sector, as well as integrating AI solutions into existing applications.
At Rotational, Patrick fine-tunes custom LLMs and optimizes architectures to enhance model efficiency, scalability, and real-world applicability. He is co-author of Real-time Machine Learning (Manning, 2025).
In his free time, Patrick enjoys rock climbing and consuming science fiction books and movies.
Blog Posts Written by Patrick
PubSub 101 - Querying Topics with SQL
Real-time data streams are powerful, but sometimes you need to convert the stream into a batch or replay parts of the stream. Here’s how to write customized SQL to more deeply understand and interact with your historic data.
Dec 8, 2023
PubSub 101 - Creating a Subscriber
With the rise of LLMs and Retrieval Augmented Generation (RAG), online models have never been more relevant. Here’s how to write some Python code to interpret real-time data and build your own adaptive online model.
Dec 5, 2023
PubSub 101 - Creating a Publisher
One of the first steps in every data science or machine learning project is data ingestion. In this module, you will use Python to create a publisher to ingest real-time data into Ensign.
Nov 28, 2023
PubSub 101 - Creating Data Flows With Topics
If you struggle to build analytics and models that keep up with changing data, it might be because you haven’t yet learned to think about data in terms of
topics. In this module, learn how by solving a real-world, real-time problem!Nov 22, 2023
PubSub 101 - Using the PyEnsign SDK
The Python SDK is the most popular way to use Ensign. In this module you will write some Python code to publish data to your project.
Nov 17, 2023
PubSub 101 - Creating Your Project
Welcome to PubSub 101! In this module you will create a new Ensign account and a new project. After completing this module, you will have an API key that you can use to publish data to Ensign!
Nov 8, 2023
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