Curriculum vitae

Jiho Song

Head, DX Team · Asteromorph

Software engineer working primarily in Rust across systems, data pipelines, and infrastructure.

Work Experience

Head, DX Team

Asteromorph

- Present

Backend Developer

Stealien

-

Seoul, South Korea

  • Developed servers for ASEAN Cyber Shield, an online cybersecurity training and capture-the-flag competition platform.
  • Built a Jeopardy-style CTF server and implemented a prototype using Django.

Projects

All projects

Go Network Tunneling System

Personal project

A network tunneling system that isolates internal services from external networks and selectively permits traffic.

  • Designed a three-tier architecture with Client (Data Plane), Server (Control Plane), and Proxy components communicating over gRPC.
  • Controlled low-level network packets through pkg/network and pkg/netfilter; generated Linux iptables rules dynamically to manage traffic.
  • Used Go concurrency and direct packet manipulation.

Education

Soongsil University

B.S. in Computer Science (in progress)

- Expected Fall 2028

Seoul, South Korea

  • Relevant coursework: Operating Systems, Computer Networks, Databases, Algorithms, Data Structures, Computer Architecture.

Korea Digital Media High School

Hacking Defense

-

Awards & Certifications

UNPACK - JunctionX ASIA

2nd Prize

  • Built a Busan travel-planning application with Next.js and NestJS.
  • Contributed to initial planning, data processing, data structure design, and web components.

Yeungnam University College Hacking Championship

Encouragement Award (장려상)

Craftsman Information Processing (정보처리기능사)

Human Resources Development Service of Korea

Network Administrator Level 2 (네트워크관리사 2급)

Korea Information and Communications Qualification Association

Skills

Languages
Rust, Go, TypeScript, JavaScript, Java, Kotlin, Python, SQL
Systems & Data
ETL pipelines, Web crawlers
Infrastructure
Kubernetes, OpenTofu, GPU server operations
Backend
Echo, Fiber, NestJS, Spring Boot, FastAPI, Django
Frontend
React, Next.js, Vite
Databases
MySQL, PostgreSQL, MariaDB, MongoDB, Redis
Tools and infrastructure
Docker, Podman, Git, GitHub, GitLab, GitHub Actions, Amazon EC2, GCP