Jaehyeon Kim
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Calculate K Most Frequent Words and Max Word Length - Apache Beam Python Examples Part 1

Calculate K Most Frequent Words and Max Word Length - Apache Beam Python Examples Part 1
July 4, 202423 min read Data-Streaming Apache Beam Python ExamplesApache BeamApache FlinkApache KafkaPython

Set up a local Apache Flink and Kafka environment, then build two Beam Python streaming pipelines for top K frequent words and longest word length.

Read More: Calculate K Most Frequent Words and Max Word Length - Apache Beam Python Examples Part 1

Beam Pipeline on Flink Runner - Deploy Python Stream Processing App on Kubernetes Part 2

Beam Pipeline on Flink Runner - Deploy Python Stream Processing App on Kubernetes Part 2
June 6, 202416 min read Data-Streaming Kubernetes Deploy Python Stream Processing App on KubernetesApache BeamApache FlinkApache KafkaDockerKubernetesPython

Deploy an Apache Beam Python pipeline to a Flink session cluster on minikube, packaged as a Docker image and submitted as a Kubernetes job.

Read More: Beam Pipeline on Flink Runner - Deploy Python Stream Processing App on Kubernetes Part 2

Deploy Python Stream Processing App on Kubernetes - Part 1 PyFlink Application

Deploy Python Stream Processing App on Kubernetes - Part 1 PyFlink Application
May 30, 202413 min read Data-Streaming Kubernetes Deploy Python Stream Processing App on KubernetesApache FlinkApache KafkaDockerKubernetesPython

Deploy a PyFlink application to minikube with the Flink Kubernetes Operator, alongside a Kafka cluster that provides its source and sink topics.

Read More: Deploy Python Stream Processing App on Kubernetes - Part 1 PyFlink Application

Apache Beam Local Development with Python - Part 5 Testing Pipelines

Apache Beam Local Development with Python - Part 5 Testing Pipelines
May 9, 202412 min read Data-Engineering Data-Streaming Apache Beam Local Development With PythonApache BeamPython

Unit test batch and streaming Apache Beam pipelines in Python, using TestStream to advance watermarks and processing time across scenarios.

Read More: Apache Beam Local Development with Python - Part 5 Testing Pipelines

Apache Beam Local Development with Python - Part 4 Streaming Pipelines

Apache Beam Local Development with Python - Part 4 Streaming Pipelines
May 2, 202411 min read Data-Streaming Apache Beam Local Development With PythonApache BeamApache FlinkApache KafkaPython

A streaming Apache Beam pipeline in Python that aggregates page visits by user in fixed 20 second windows, written with and without Beam SQL.

Read More: Apache Beam Local Development with Python - Part 4 Streaming Pipelines

Apache Beam Local Development with Python - Part 3 Flink Runner

Apache Beam Local Development with Python - Part 3 Flink Runner
April 18, 202414 min read Data-Streaming Apache Beam Local Development With PythonApache BeamApache FlinkApache KafkaPython

The Apache Beam portability layer explained, with bash scripts that manage local Flink and Kafka clusters and a streaming pipeline on the Flink Runner.

Read More: Apache Beam Local Development with Python - Part 3 Flink Runner

Kafka Development on Kubernetes - Part 3 Kafka Connect

Kafka Development on Kubernetes - Part 3 Kafka Connect
January 11, 20247 min read Data Integration Data-Streaming Kubernetes Kafka Development on KubernetesApache KafkaDockerKafka ConnectKubernetesMinikubePython

Ingest fake customer and order data into Kafka with the MSK Data Generator and save it to S3, with connectors deployed as Strimzi custom resources.

Read More: Kafka Development on Kubernetes - Part 3 Kafka Connect

Kafka Development on Kubernetes - Part 2 Producer and Consumer

Kafka Development on Kubernetes - Part 2 Producer and Consumer
January 4, 20248 min read Data-Streaming Kubernetes Kafka Development on KubernetesApache KafkaDockerKubernetesMinikubePythonStrimzi

Send and read Kafka topic records from Python client applications built with the kafka-python package and deployed on Kubernetes.

Read More: Kafka Development on Kubernetes - Part 2 Producer and Consumer

Kafka Development on Kubernetes - Part 1 Cluster Setup

Kafka Development on Kubernetes - Part 1 Cluster Setup
December 21, 20237 min read Data-Streaming Kubernetes Kafka Development on KubernetesApache KafkaDockerKubernetesMinikubePythonStrimzi

Create a Kafka cluster on Kubernetes with Strimzi, the first step in a series on Python clients and Kafka Connect pipelines on Kubernetes.

Read More: Kafka Development on Kubernetes - Part 1 Cluster Setup

Consume data from Kafka using Lambda - Real Time Streaming with Kafka and Flink Lab 6

Consume data from Kafka using Lambda - Real Time Streaming with Kafka and Flink Lab 6
December 14, 20236 min read Data-Streaming Real Time Streaming With Kafka and FlinkAmazon MSKApache KafkaAWSAWS LambdaKpowPython

Consume Kafka messages with an AWS Lambda function, using Amazon MSK as an event source so that Lambda polls the topic and invokes the function.

Read More: Consume data from Kafka using Lambda - Real Time Streaming with Kafka and Flink Lab 6
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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 38 Development 28 Data Analysis 17 Data Integration 12 Open Source 7 Kubernetes 6 Machine Learning 5 Security 5 Data Architecture 3 Data Processing 3 Big Data 2 System Architecture 2 Web Development 2
Python 75 Apache Kafka 68 AWS 50 Docker 50 Apache Flink 34 Apache Beam 17 Apache Spark 16 Kafka Connect 15 Amazon MSK 14 AWS Lambda 14 dbt 13 Amazon EMR 11 Kubernetes 8 PyFlink 8 Kotlin 7 PostgreSQL 7 Change Data Capture (CDC) 6 Debezium 6 dynamic-des 6 Amazon DynamoDB 5 Apache Airflow 5 Discrete Event Simulation 5 Factor House Local 5 PySpark 5 Amazon API Gateway 4 Amazon Athena 4 Apache Iceberg 4 AWS Glue 4 AWS Glue Schema Registry 4 BigQuery 4 Digital Twin 4 FastAPI 4 Minikube 4 SimPy 4 Amazon EKS 3 Amazon QuickSight 3 Amazon S3 3 Apache Hudi 3 EMR on EKS 3 GCP 3 ALL 137
Kafka Development with Docker 11 Apache Beam Python Examples 10 Real Time Streaming with Kafka and Flink 7 dbt Pizza Shop Demo 6 Apache Beam Local Development with Python 5 Building Real-Time Digital Twins with dynamic-des 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 24
2026 11 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
  • Building an Agentic Analytics System over an Iceberg Lakehouse
    Building an Agentic Analytics System over an Iceberg Lakehouse
    July 18, 2026
  • Dynamic DES v0.11.1: A Declarative API with Postgres and Redis Connectors
    Dynamic DES v0.11.1: A Declarative API with Postgres and Redis Connectors
    July 17, 2026
  • Introducing odctl: One CLI for a Local Open Data Stack
    Introducing odctl: One CLI for a Local Open Data Stack
    July 16, 2026
  • One Simulation, Two Pipelines: Batch Training and Live Inference with Dynamic DES v0.8.1
    One Simulation, Two Pipelines: Batch Training and Live Inference with Dynamic DES v0.8.1
    May 25, 2026
  • Building an Event-Driven Hybrid Digital Twin with dynamic-des
    Building an Event-Driven Hybrid Digital Twin with dynamic-des
    April 29, 2026
  • Why Digital Twins Are Rewiring Industry 4.0
    Why Digital Twins Are Rewiring Industry 4.0
    April 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
  • Slides as Code: Integrating Reveal.js into my Hugo Blog
    Slides as Code: Integrating Reveal.js into my Hugo Blog
    March 9, 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
  • Building an Agentic Analytics System over an Iceberg Lakehouse
    Building an Agentic Analytics System over an Iceberg Lakehouse
    July 18, 2026
  • Dynamic DES v0.11.1: A Declarative API with Postgres and Redis Connectors
    Dynamic DES v0.11.1: A Declarative API with Postgres and Redis Connectors
    July 17, 2026
  • Introducing odctl: One CLI for a Local Open Data Stack
    Introducing odctl: One CLI for a Local Open Data Stack
    July 16, 2026
  • One Simulation, Two Pipelines: Batch Training and Live Inference with Dynamic DES v0.8.1
    One Simulation, Two Pipelines: Batch Training and Live Inference with Dynamic DES v0.8.1
    May 25, 2026
  • Current London 2026: Building End-to-End Data Lineage
    Current London 2026: Building End-to-End Data Lineage
    May 22, 2026
  • Building an Event-Driven Hybrid Digital Twin with dynamic-des
    Building an Event-Driven Hybrid Digital Twin with dynamic-des
    April 29, 2026
  • Why Digital Twins Are Rewiring Industry 4.0
    Why Digital Twins Are Rewiring Industry 4.0
    April 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
  • Slides as Code: Integrating Reveal.js into my Hugo Blog
    Slides as Code: Integrating Reveal.js into my Hugo Blog
    March 9, 2026
  • Productionizing an Online Product Recommender using Event Driven Architecture
    Productionizing an Online Product Recommender using Event Driven Architecture
    February 23, 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.