Won Jang
Full Stack DeveloperCareer Summary
| Period | Company | Role | Description |
|---|---|---|---|
| 2019.03 ~ 2019.09 | The Better Computer Academy | Trainee | Python web development, algorithms, DB design |
| 2019.12 ~ 2021.02 | Sandeu Networks | System Engineer | SK Broadband set-top box operation, QA, test automation |
| 2021.06 ~ 2021.10 | Spike Group | Python Backend Developer | FastAPI development, Klaytn blockchain, NEAR Protocol game app, Kakao Klip integration |
| 2021.12 ~ 2025.01 | MyCAPage | Python Backend Developer | Django/FastAPI video service, AI features, WebRTC, React Native, AWS operations |
| 2025.02 ~ 2025.04 | IsaDaeHak | Flutter & Python Developer | Flutter app with Riverpod+Clean Architecture, FastAPI backend, maps & payment integration |
| 2025.05 | BankX | Python FastAPI & Airflow Developer | Automation APIs, Airflow data pipelines and scheduling |
| 2025.06 ~ Present | GS Neotek | Backend/Frontend Developer | Next.js frontend, Flask backend, back-office systems, performance optimization |
External Programming Experience
Nomad Coders Community
JavaScript, React, Flutter, Next.js, Python courses • Code reviews • Q&A participation
AWS GameDay
Team-based AWS service building • EC2, S3, IAM, CloudWatch, Lambda hands-on experience
Side Projects
Django+LangChain PDF QA service • Flutter MVP apps • YouTube data analysis automation
AI & Automation
LangChain document QA • Apache Airflow pipelines • WebRTC video streaming
DevOps
AWS (EC2, RDS, S3, Route 53, IAM, Lambda) • Docker deployments • Vercel + AWS integration
Tech Stack
Languages
PythonJavaScriptTypeScriptDart
Backend
FastAPIDjangoFlaskNode.jsExpress
Frontend
Next.jsReactReact NativeFlutter
Database
PostgreSQLMySQLSupabaseRDS
Infrastructure
AWSDockerVercel
Others
LangChainWebRTCStreamlitAirflowKlaytnNEAR Protocol