Hi, I'm Jaeyoon Lee
I'm an Information Interaction Design student at Yonsei University passionate about building scalable infrastructure, dynamic websites, and elegant server solutions that blend design principles with development.
Work
Startup2022.08 ~ 2024.01
Reinventing Business Cards for the Digital Era
Developed a digital business card platform from the ground up, spanning five domains including frontend, backend, and cloud infrastructure.
- Next.js
- Nest.js
- Jenkins
- AWS
- Docker
- Redis
Side Project2024.05 ~ Current
Building a Math-to-Braille Translation Service
Led full-stack development across infrastructure, server, and frontend, collaborating with a visually impaired algorithm developer to streamline deployment and improve accessibility.
- Django
- Raspberry Pi
- Self Hosting
- Cloudflare R2
- Jenkins
Drag to browse, click to view project details
Work
Startup2022.08 ~ 2024.01
Reinventing Business Cards for the Digital Era
Developed a digital business card platform from the ground up, spanning five domains including frontend, backend, and cloud infrastructure.
- Next.js
- Nest.js
- Jenkins
- AWS
Side Project2024.05 ~ Current
Building a Math-to-Braille Translation Service
Led full-stack development across infrastructure, server, and frontend, collaborating with a visually impaired algorithm developer to streamline deployment and improve accessibility.
- Django
- Raspberry Pi
- Self Hosting
Medium Articles
Use Slack Commands to Trigger MongoDB Backups with API Gateway and AWS Lambda
Hello everyone! To add on to the previous MongoDB Backup Microservice guide, here’s a way to manually trigger a MongoDB backup using a Slack Command connected to API Gateway and AWS Lambda.
Jul 31, 2025
Back Up MongoDB Data Every Week with EventBridge & AWS Lambda
Hello everyone! Recently, I created a MongoDB microservice using AWS Lambda & EventBridge to back up data every week.
Jul 21, 2025
Using the Strategy Pattern for Cloud Storage File Uploads (S3 & R2) in Django
Because I wanted the file upload process to be agnostic and decoupled from a specific cloud provider’s code, I decided to use the Strategy Pattern. This was so that when project requirements change in the future, our team could easily switch cloud providers without changing the implementation in our Django server.
May 31, 2025
How to Access Your Router’s Web Interface Remotely Using SSH Tunneling
Hello everyone, I recently had to access my router’s web interface to add some port forwarding rules for my Raspberry Pi. The challenge? My Raspberry Pi and router sits in my house — far from where I currently live. Here’s what I had:
May 22, 2025
