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šŸ«” Hi There!

Be wary of over-engineering and pursue careful decision-making and rapid execution. I am Jongin Baek, a workaholic.

Tech Stack

FrameworkSpring Boot, NestJS, Flutter, FastAPI
LanguagesJava, TypeScript, Python, Dart
DatabaseMySQL, PostgreSQL, Redis
InfrastructureAWS, Azure, Docker
DevOpsGitHub, GitHub Actions, Grafana, Prometheus

Projects

I rapidly learn and apply new technology stacks while working on diverse projects.
šŸ’¼ Work
Questi

Questi

AI service for problem solving and solution provision, joined as a backend developer to implement FastAPI-based backend development. Service with 25,000 subscribers, 2,500 MAU, 200 DAU (Apr 2024 ~ Ongoing)

Tech Stack
Tech Stack
šŸ“„ PortfoliošŸŒ Website
šŸš€ Side
Spettrum

Spettrum

Pet photo AI conversion service, joined a university startup team as a backend developer, implemented internationalization and Blue/Green deployment (May 2024 ~ Sep 2024)

Tech Stack
Tech Stack
šŸ“„ PortfoliošŸŒ Website
šŸš€ Side
Gamemuncheol

Gamemuncheol

A social network service for gaming dispute mediation, inspired by YouTuber lawyer Han Moon-cheol. (Feb 2024 ~ May 2024)

Tech Stack
Tech Stack
šŸ“„ Portfolio

External Activities

ā€¢ Why I transitioned from an information security engineer to a developer
ā€¢ Why I switched from Flutter development to Backend development
ā€¢ My personal thoughts on the necessity of Backend development for solo entrepreneurs

šŸ“ Read Presentation Review

ā€¢ Main commonalities between Spring and Nest
ā€¢ Differences in module systems between Spring and Nest
ā€¢ Performance comparison when implementing the same logic as APIs in both Nest and Spring

šŸŽ„ Watch Presentation Video

A study group I am conducting to systematically learn the CS knowledge necessary as a developer.

šŸ“‹ View Study Materials