# SteveLabs.io

> Personal website of SangKug Ye (예상국), a senior fintech backend developer with 11+ years of experience across SK, Kakao, KakaoPay, BankSalad, and Lemon Tree.

## About the Author

SangKug Ye (also known as Steve) is a problem-solving Tech Leader specializing in fintech. He has built and operated comprehensive financial systems including top-ups, payments, card processing, barcode payments, deposits/withdrawals, virtual accounts, securities trading, and open banking.

Key expertise: Spring Boot, Kotlin, Java, MSA architecture, AWS cloud infrastructure, financial system development, electronic financial compliance, CI/CD automation, payment/settlement systems.

## Career

- Lemon Tree | Co-founder / Dev Team Lead (2021.07 – 2026.01)
- BankSalad | Backend Engineer / Exchange Foundation Unit1 Lead (2019.08 – 2021.06)
- Kakao / KakaoPay (spin-off) | Backend Developer (2016.08 – 2019.08)
- SK M&Service | Android Developer (LBS Solution) (2014.11 – 2016.07)

## Pages

- [Home](https://stevelabs.io/) — Main landing page
- [About](https://stevelabs.io/about) — Full bio, career timeline, skills, engineering philosophy, tech stack
- [Portfolio](https://stevelabs.io/portfolio) — Side projects timeline (Algonote, HoneyStock)
- [Blog](https://stevelabs.io/blog) — Tech blog on side projects, vibe coding, and engineering
- [Algonote](https://stevelabs.io/algonote) — Algonote algorithm visualization platform showcase

## Blog Posts

- [Algonote Launch Story — From Vibe Coding to Production](https://stevelabs.io/blog/algonote-launch) — A fintech backend developer shares the journey of building and actually launching an algorithm visualization platform as a side project.

## Side Projects

- **Algonote** (algonote.io) — Interactive algorithm visualization platform. Sorting, graphs, trees, DP step by step. Web + Android.
- **HoneyStock** — Stock investment guide (coming soon).

## Contact

- Email: steve@stevelabs.io
- GitHub: https://github.com/pajamasi726
- LinkedIn: https://www.linkedin.com/in/sang-kug-ye-0718b38a