Junha
Yang

Software engineer, team lead, and administrator. Open to any role, domain, or challenge. I embrace rapid technological transformation and challenge conventional paradigms to drive innovation.

Last edited — 2026.03.15

junhayang1@gmail.com / web / telegram / linkedin / github

Whoever you are, feel free to reach out. I respond within 48 hours.

career

2023–2026 CTO and CISO, Hyperithm

2022–2024 Founder & Lead Developer, PDAO

2021–2022 Infra Team Head, Hyperithm

2019–2021 Software Engineer, Kodebox

2018 AI Researcher, Netmarble

school

2016–2023

POSTECH

B.S. in Computer Science and Engineering
Summa Cum Laude (GPA: 4.0 / 4.3)

things I care about

SystemsBlockchain · Rust · Consensus · Defensive Security StrategyAlignment · AI Safety · Game Theory · Theory of Mind LifeHiring · Euthanasia · Meditation · Music

public

2026

[PwC Investment Leadership Forum] Seeing the New World: Crypto & AI↗

CTO Challenges↗

2025

[SNU Business Alumni] How Technology Changes the World: Blockchain & Decentralization↗

2024

Panel — Ethcon Korea 2024↗

Speaker — Crypto United Trading Conference↗slides

2023

Speaker — Web 3.0, Privacy & Legal Review of DAO Operations↗

Panel — Deference 2023↗

[PDAO Seminar] DAO & Simperby↗

2022

PDAO Mainnet Genesis Ceremony↗

[POSTECH Tech Review] Blockchain & the Decentralized Future↗

[PDAO Seminar] PoS & BFT↗

[PDAO Seminar] Intro to Blockchain — Part 2↗

[PDAO Seminar] Intro to Blockchain — Part 1↗

2020

CodeChain Foundry↗

remote-trait-object: CodeChain Foundry's core inter-module communication systems↗

CodeChain Foundry ICS Implementation↗

Blockchain Light Client↗

IBC and ICS↗

code

Simperby A blockchain engine for DAOs.

CodeChain Foundry Blockchain engine on Tendermint + Rust, inspired by Cosmos SDK.

remote-trait-object Rust remote method invocation via trait objects.

fere Realtime 3D rendering engine on OpenGL.

etc

2023 Lead mentor, OSSCA 2023 — Ministry of Science and ICT

2022 Park Tae-joon Alumni Scholarship, POSTECHIAN Foundation

2020 Contributor, Cosmos IBC protocol specification

2017 President, POSTECH Orchestra Club 'Hanulim'

2015 South Korean National Team, Intel ISEF 2015

2014 Gold Award (2nd Place), Korean Olympiad in Informatics

my taste

Junha Yang ✦ Seoul, KR ✦ Everything is an illusion ✦ Junha Yang ✦ Seoul, KR ✦ Everything is an illusion ✦ Junha Yang ✦ Seoul, KR ✦ Everything is an illusion ✦ Junha Yang ✦ Seoul, KR ✦ Everything is an illusion ✦