Jaehyeon Kim
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Data Warehousing ETL Demo With Apache Iceberg on EMR Local Environment

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June 26, 202212 min read Data EngineeringAmazon EMRApache IcebergApache SparkAWSPySparkPython

We'll discuss how to implement data warehousing ETL using Iceberg for data storage/management and Spark for data processing. A Pyspark ETL app will be used for demonstration in an EMR local environment. Finally the ETL results will be queried by Athena for verification.

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Local Development of AWS Glue 3.0 and Later

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November 14, 20218 min read Data EngineeringAWSAWS GlueDockerPySparkPython

Recently AWS Glue 3.0 was released but a docker image for this version is not published. In this post, I’ll illustrate how to create a development environment for AWS Glue 3.0 (and later versions) by building a custom docker image.

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AWS Glue Local Development With Docker and Visual Studio Code

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August 20, 20219 min read Data EngineeringApache SparkAWSAWS GlueDockerPySparkPython

In this post, I'll demonstrate how to build development environments for AWS Glue 1.0 and 2.0 using the Docker image and the Visual Studio Code Remote - Containers extension.

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Thoughts on Apache Airflow AWS Lambda Operator

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April 13, 20209 min read Data EngineeringApache AirflowAWSAWS LambdaDockerPython

In this post, it is demonstrated how AWS Lambda can be integrated with Apache Airflow using a custom operator inspired by the ECS Operator.

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Dynamic Routing and Centralized Auth With Traefik, Python and R Example

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November 29, 20199 min read DevelopmentDockerFastAPIPythonRTraefik

Traefik is a modern HTTP reverse proxy and load balancer. In this post, it'll be demonstrated how path-based routing can be set up by Traefik with Docker. Also a centralized authentication will be illustrated with the Forward Authentication feature of Traefik.

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Distributed Task Queue With Python and R Example

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November 15, 20198 min read DevelopmentFastAPIPythonRRserve

In this post, I'll illustrate how a web service is created using FastAPI framework where tasks are sent to multiple workers. The workers are built with Celery and Rserve. Redis is used as a message broker/result backend for Celery and a key-value store for Rserve. Demos can be run in both Docker Compose and Kubernetes.

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Linux Dev Environment on Windows

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November 1, 201912 min read DevelopmentDockerKubernetesMinikubePythonRWSL

In this post, I'll demonstrate how to create a Linux development environment on Windows using WSL. Also an example app (Rserve web service with a sidecar container) on Minikube will be demonstrated.

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AWS Local Development With LocalStack

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July 20, 20196 min read DevelopmentAWSAWS LambdaDockerFlaskLocalStackPython

LocalStack provides an easy-to-use test/mocking framework for developing AWS applications. In this post, I'll demonstrate how to utilize LocalStack for development using a web service.

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Serverless Data Product POC Backend Part IV - Serving R ML Model via S3

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April 17, 20179 min read Development Serverless Data ProductAmazon API GatewayAWSAWS LambdaPythonR

In the previous posts, it is discussed how to package/deploy an R machine learning model with AWS Lambda and to expose the Lambda function via Amazon API Gateway. In this post, I'll demonstrate how to host a web application that services the backend API in a serverless environment.

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Serverless Data Product POC Backend Part III - Exposing R ML Model via APIG

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April 13, 201710 min read Development Serverless Data ProductAmazon API GatewayAWSAWS LambdaPythonR

In previous posts, we discussed how to package and deploy an R machine learning model via Lambda. In this post, I'll demonstrate how to expose the model via Amazon API Gateway.

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Profile
Jaehyeon Kim
Jaehyeon Kim
Data Engineer | Data Streaming Enthusiast | Powering ML & AI in Real Time
Taxonomies
Data Streaming 68 Data Engineering 38 Development 28 Data Analysis 17 Data Integration 12 Open Source 7 Kubernetes 5 Security 5 Machine Learning 4 Data Architecture 3 Data Processing 3 Big Data 2 System Architecture 2 Artificial Intelligence 1 Conference 1 Data Platform 1 Industry 4.0 1 Stream Processing 1 Web Development 1
Python 75 Apache Kafka 64 Docker 52 AWS 50 R 37 Apache Flink 33 Kpow 23 Apache Beam 17 Apache Spark 15 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 AWS Glue 4 AWS Glue Schema Registry 4 BigQuery 4 Digital Twin 4 FastAPI 4 Kafka 4 Minikube 4 R Shiny 4 RServe 4 SimPy 4 Amazon EKS 3 Amazon QuickSight 3 ALL 165
Kafka Development With Docker 11 Apache Beam Python Examples 10 Real Time Streaming With Kafka and Flink 7 DBT Pizza Shop Demo 6 Tree Based Methods in R 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 Building Real-Time Digital Twins With Dynamic-Des 2 DBT Guide for Production 2 Deploy Python Stream Processing App on Kubernetes 2 From Prototype to Production: Real-Time Product Recommendation With Contextual Bandits 2 ALL 23
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
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    Building an Agentic Analytics System Over an Iceberg Lakehouse
    July 18, 2026
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    Dynamic DES V0.11.1: A Declarative API With Postgres and Redis Connectors
    July 17, 2026
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    Introducing Odctl: One CLI for a Local Open Data Stack
    July 16, 2026
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    One Simulation, Two Pipelines: Batch Training and Live Inference With Dynamic DES V0.8.1
    May 25, 2026
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    Building an Event-Driven Hybrid Digital Twin With Dynamic-Des
    April 29, 2026
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    Why Digital Twins Are Rewiring Industry 4.0
    April 22, 2026
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    Building a Real-Time Industrial Digital Twin With Apache Flink and Online Machine Learning
    April 21, 2026
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    Slides as Code: Integrating Reveal.js Into My Hugo Blog
    March 9, 2026
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    Productionizing an Online Product Recommender Using Event Driven Architecture
    February 23, 2026
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    Stream Processing With Flink in Kotlin
    December 10, 2025
  • featured.png
    Building an Agentic Analytics System Over an Iceberg Lakehouse
    July 18, 2026
  • featured.png
    Dynamic DES V0.11.1: A Declarative API With Postgres and Redis Connectors
    July 17, 2026
  • featured.png
    Introducing Odctl: One CLI for a Local Open Data Stack
    July 16, 2026
  • featured.png
    One Simulation, Two Pipelines: Batch Training and Live Inference With Dynamic DES V0.8.1
    May 25, 2026
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    Current London 2026: Building End-to-End Data Lineage
    May 22, 2026
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    Building an Event-Driven Hybrid Digital Twin With Dynamic-Des
    April 29, 2026
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    Why Digital Twins Are Rewiring Industry 4.0
    April 22, 2026
  • featured.png
    Building a Real-Time Industrial Digital Twin With Apache Flink and Online Machine Learning
    April 21, 2026
  • featured.png
    Slides as Code: Integrating Reveal.js Into My Hugo Blog
    March 9, 2026
  • featured.gif
    Productionizing an Online Product Recommender Using Event Driven Architecture
    February 23, 2026
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Jaehyeon Kim

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

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