Backend Engineer · Rust / Python · Distributed Systems

Seoul → Tokyo (relocating, visa sponsorship required)

Contact

• Email: [email protected]
• Phone: +82 10-2467-4727
• Blog: https://devbull.xyz
• LinkedIn: https://www.linkedin.com/in/indo-yoon-20638a117/
• GitHub: https://github.com/Indosaram

Summary

Backend engineer with 7+ years of software experience, including 5+ years building distributed execution infrastructure at SAP that runs 1M workloads on a 1,000+ node Apache Mesos cluster. Author of Beginning Axum (Apress) and three Rust books in Korean.

Work Experience

SAP Labs Korea

Engineer · HANA QA Infrastructure Team (Backend/Platform) · 2021.07 – Present

• Built a graph-based distributed job execution platform (Python/Flask + Rust) scheduling 1M workloads across 1,000+ machines on Apache Mesos; increased workload throughput by 20%.
• Designed a FastAPI-based AI agent platform that automates cluster operations and optimizes resource usage in real time.
• Developed a lightweight Rust daemon that runs on every server in the fleet and continuously cleans up unused Docker images, containers, and build cache.

Upennsolution