Jaehyeon Kim
Jaehyeon Kim

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  2. Series

From Prototype to Production: Real-Time Product Recommendation with Contextual Bandits

2 posts in total
  • Productionizing an Online Product Recommender using Event Driven Architecture February 23, 2026
  • Prototyping an Online Product Recommender in Python January 27, 2026

Getting Started with PyFlink on AWS

3 posts in total
  • Getting Started with PyFlink on AWS - Part 3 AWS Managed Flink and MSK September 4, 2023
  • Getting Started with PyFlink on AWS - Part 2 Local Flink and MSK August 28, 2023
  • Getting Started with PyFlink on AWS - Part 1 Local Flink and Local Kafka August 17, 2023

Getting Started with Real-Time Streaming in Kotlin

5 posts in total
  • Flink Table API - Declarative Analytics for Supplier Stats in Real Time June 17, 2025
  • Flink DataStream API - Scalable Event Processing for Supplier Stats June 10, 2025
  • Kafka Streams - Lightweight Real-Time Processing for Supplier Stats June 3, 2025
  • Kafka Clients with Avro - Schema Registry and Order Events May 27, 2025
  • Kafka Clients with JSON - Producing and Consuming Order Events May 20, 2025

Integrate Schema Registry with MSK Connect

2 posts in total
  • Use External Schema Registry with MSK Connect - Part 2 MSK Deployment April 3, 2022
  • Use External Schema Registry with MSK Connect - Part 1 Local Development March 7, 2022

Kafka Connect for AWS Services Integration

5 posts in total
  • Deploy Aiven OpenSearch Sink Connector - Kafka Connect for AWS Services Integration Part 5 October 30, 2023
  • Develop Aiven OpenSearch Sink Connector - Kafka Connect for AWS Services Integration Part 4 October 23, 2023
  • Deploy Camel DynamoDB Sink Connector - Kafka Connect for AWS Services Integration Part 3 July 3, 2023
  • Develop Camel DynamoDB Sink Connector - Kafka Connect for AWS Services Integration Part 2 June 4, 2023
  • Kafka Connect for AWS Services Integration - Part 1 Introduction May 3, 2023

Kafka Development on Kubernetes

3 posts in total
  • Kafka Development on Kubernetes - Part 3 Kafka Connect January 11, 2024
  • Kafka Development on Kubernetes - Part 2 Producer and Consumer January 4, 2024
  • Kafka Development on Kubernetes - Part 1 Cluster Setup December 21, 2023

Kafka Development with Docker

11 posts in total
  • Kafka Development with Docker - Part 11 Kafka Authorization July 20, 2023
  • Kafka Development with Docker - Part 10 SASL Authentication July 13, 2023
  • Kafka Development with Docker - Part 9 SSL Authentication July 6, 2023
  • Kafka Development with Docker - Part 8 SSL Encryption June 29, 2023
  • Producer and Consumer with Glue Schema Registry - Kafka Development with Docker Part 7 June 22, 2023
  • Kafka Development with Docker - Part 6 Kafka Connect with Glue Schema Registry June 15, 2023
  • Kafka Development with Docker - Part 5 Glue Schema Registry June 8, 2023
  • Kafka Development with Docker - Part 4 Producer and Consumer June 1, 2023
  • Kafka Development with Docker - Part 3 Kafka Connect May 25, 2023
  • Kafka Development with Docker - Part 2 Management App May 18, 2023
  • Kafka Development with Docker - Part 1 Cluster Setup May 4, 2023

Kafka, Flink and DynamoDB for Real Time Fraud Detection

2 posts in total
  • Deployment via AWS Managed Flink - Kafka, Flink and DynamoDB for Real Time Fraud Detection Part 2 September 14, 2023
  • Local Development - Kafka, Flink and DynamoDB for Real Time Fraud Detection Part 1 August 10, 2023

MLOps with a Feature Store

1 post in total
  • Learning MLOps with a Feature Store: A New Series September 28, 2026

Parallel processing on single machine

3 posts in total
  • Parallel Processing on Single Machine - Part 3 March 19, 2015
  • Parallel Processing on Single Machine - Part 2 March 17, 2015
  • Parallel Processing on Single Machine - Part 1 March 14, 2015
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Profile
Jaehyeon Kim
Jaehyeon Kim
Data Engineer | Data Streaming | Powering ML & AI in Real Time
Taxonomies
Data Streaming 70 Data Engineering 43 Development 28 Data Analysis 17 Open Source 13 Data Integration 12 Machine Learning 7 Kubernetes 6 Security 5 Data Architecture 3 Data Processing 3 Big Data 2 System Architecture 2 Web Development 2
Python 77 Apache Kafka 73 AWS 50 Docker 50 Apache Flink 39 Apache Beam 17 Apache Spark 17 Kafka Connect 16 Amazon MSK 14 AWS Lambda 14 Benchtop 13 dbt 13 odctl 12 Amazon EMR 11 desflow 11 PostgreSQL 10 Kubernetes 8 PyFlink 8 Apache Iceberg 7 Change Data Capture (CDC) 7 Debezium 7 Kotlin 7 Apache Airflow 6 Discrete Event Simulation 6 Kafka UI 6 Amazon DynamoDB 5 PySpark 5 SimPy 5 Amazon API Gateway 4 Amazon Athena 4 AWS Glue 4 AWS Glue Schema Registry 4 BigQuery 4 Digital Twin 4 FastAPI 4 Minikube 4 Amazon EKS 3 Amazon QuickSight 3 Amazon S3 3 Apache Hudi 3 ALL 143
Kafka Development with Docker 11 Apache Beam Python Examples 10 Real Time Streaming with Kafka and Flink 7 Building Real-Time Digital Twins with desflow 6 dbt Pizza Shop Demo 6 Apache Beam Local Development with Python 5 dbt for Effective Data Transformation on AWS 5 Getting Started with Real-Time Streaming in Kotlin 5 Kafka Connect for AWS Services Integration 5 Serverless Data Product 4 Data Lake Demo Using Change Data Capture 3 Getting Started with PyFlink on AWS 3 Kafka Development on Kubernetes 3 Parallel processing on single machine 3 Realtime Dashboard with FastAPI, Streamlit and Next.js 3 API development with R 2 dbt Guide for Production 2 Deploy Python Stream Processing App on Kubernetes 2 Download Stock Data 2 From Prototype to Production: Real-Time Product Recommendation with Contextual Bandits 2 ALL 25
2026 17 2025 13 2024 29 2023 39 2022 15 2021 7 2020 1 2019 5 2018 2 2017 6 2016 6 2015 15 2014 5
Posts
  • odctl 1.0: Kafka, Flink, Spark, Iceberg, Trino and MLflow on Your Laptop with One Command
    odctl 1.0: Kafka, Flink, Spark, Iceberg, Trino and MLflow on Your Laptop with One Command
    October 12, 2026
  • Defining Data-Streaming Simulations in YAML, Without Writing Python
    Defining Data-Streaming Simulations in YAML, Without Writing Python
    October 6, 2026
  • Keeping Game Leaderboards Up to Date in Real Time with Kafka and Flink SQL
    Keeping Game Leaderboards Up to Date in Real Time with Kafka and Flink SQL
    October 2, 2026
  • Change Data Capture on a Simulated Online Shop with Debezium and Kafka Connect
    Change Data Capture on a Simulated Online Shop with Debezium and Kafka Connect
    October 1, 2026
  • Building an Agentic Analytics System over an Iceberg Lakehouse
    Building an Agentic Analytics System over an Iceberg Lakehouse
    July 18, 2026
  • Current London 2026: Building End-to-End Data Lineage
    Current London 2026: Building End-to-End Data Lineage
    May 22, 2026
  • Building a Real-Time Industrial Digital Twin with Apache Flink and Online Machine Learning
    Building a Real-Time Industrial Digital Twin with Apache Flink and Online Machine Learning
    April 21, 2026
  • Productionizing an Online Product Recommender using Event Driven Architecture
    Productionizing an Online Product Recommender using Event Driven Architecture
    February 23, 2026
  • Stream Processing with Flink in Kotlin
    Stream Processing with Flink in Kotlin
    December 10, 2025
  • Guide to Building Integrated Web Applications with FastAPI and NiceGUI
    Guide to Building Integrated Web Applications with FastAPI and NiceGUI
    November 19, 2025
  • odctl 1.0: Kafka, Flink, Spark, Iceberg, Trino and MLflow on Your Laptop with One Command
    odctl 1.0: Kafka, Flink, Spark, Iceberg, Trino and MLflow on Your Laptop with One Command
    October 12, 2026
  • Defining Data-Streaming Simulations in YAML, Without Writing Python
    Defining Data-Streaming Simulations in YAML, Without Writing Python
    October 6, 2026
  • Keeping Game Leaderboards Up to Date in Real Time with Kafka and Flink SQL
    Keeping Game Leaderboards Up to Date in Real Time with Kafka and Flink SQL
    October 2, 2026
  • Change Data Capture on a Simulated Online Shop with Debezium and Kafka Connect
    Change Data Capture on a Simulated Online Shop with Debezium and Kafka Connect
    October 1, 2026
  • Data Streaming and Machine Learning Projects That Run on Your Laptop
    Data Streaming and Machine Learning Projects That Run on Your Laptop
    September 30, 2026
  • Learning MLOps with a Feature Store: A New Series
    Learning MLOps with a Feature Store: A New Series
    September 28, 2026
  • Building an Agentic Analytics System over an Iceberg Lakehouse
    Building an Agentic Analytics System over an Iceberg Lakehouse
    July 18, 2026
  • desflow: A Declarative API with Postgres and Redis Connectors
    desflow: A Declarative API with Postgres and Redis Connectors
    July 17, 2026
  • Running Kafka, Flink, Spark, Trino and Iceberg Locally with One CLI
    Running Kafka, Flink, Spark, Trino and Iceberg Locally with One CLI
    July 16, 2026
  • One Simulation, Two Pipelines: Batch Training and Live Inference with desflow
    One Simulation, Two Pipelines: Batch Training and Live Inference with desflow
    May 25, 2026
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Jaehyeon Kim

Data Engineer | Data Streaming | Powering ML & AI in Real Time

Copyright © 2023-2026 Jaehyeon Kim. All Rights Reserved.