Software developer and researcher specializing in quantum computing systems and cloud architecture.
Lead developer of OQTOPUS, an open-source quantum computer operating system powering Japan's first fully domestic quantum computer.
Expertise in Go, Python, and cloud infrastructure (AWS, Terraform) with a background in physics (M.S., superconducting quantum circuits).
Active contributor to the open-source community with multiple published CLI tools and technical translations.
Languages: Japanese (native), English (professional working proficiency; publications/presentations and OSS collaboration in English).
## Languages
- Japanese (Native)
- English (Professional working proficiency — publications/presentations & OSS collaboration in English)
## Experience
Osaka Univ. QIQB, Software Developer & Researcher 2023 — Present
- • Lead development of OQTOPUS, an open-source quantum computing operating system adopted by Japan's first fully domestic quantum computer
- • Architected cloud-based quantum computing platform enabling remote access to superconducting and ion-trap qubit systems
- • Published research at IEEE QCE and presented at international conferences including QSMC and Munich Quantum Software Forum
- • Collaborated with Fujitsu, SEC, and TIS on one of the largest open-source quantum computing initiatives globally
Future Corp., Backend Engineer & Consultant 2021 — 2023
- • Developed scalable backend systems using Go, Python, and cloud infrastructure (AWS, Terraform, Docker)
- • Contributed to OSS projects including Terraform tooling (tftarget)
- • Translated technical book "Software Mistakes and Tradeoffs" (O'Reilly Japan, 2023)
## Skills
Programming Languages: Go (Golang), Python, TypeScript/JavaScript
Quantum Computing: OpenQASM 3.0, Superconducting Qubits, Ion-Trap Quantum Systems, Cloud Quantum Computing, Quantum Software Development
Cloud & Infrastructure: Amazon Web Services (AWS), Terraform (IaC), Docker, CI/CD, Linux
Software Development: Open Source Software (OSS) Development, CLI Tool Development, REST API Design, System Architecture, Technical Writing & Translation
## Projects (Selected)
- OQTOPUS — Open Quantum Toolchain for OPerators & USers — https://oqtopus-team.github.io/
- oqtopus-cloud ★ 112 — Cloud-based quantum computing platform (OQTOPUS) — https://github.com/oqtopus-team/oqtopus-cloud
- device-gateway ★ 9 — Device gateway for quantum hardware access (OQTOPUS) — https://github.com/oqtopus-team/device-gateway
- qdash ★ 23 — Large scale superconducting qubit calibration platform — https://github.com/oqtopus-team/qdash
- qasmtools ★ 7 — Comprehensive toolkit for OpenQASM 3.0 development — https://github.com/orangekame3/qasmtools
- qasmfmt ★ 0 — OpenQASM formatter — https://github.com/orangekame3/qasmfmt
- mirrormate ★ 459 — Mirror Mate — https://github.com/orangekame3/mirrormate
- aqrxiv — Stylish QR codes for arXiv papers — https://aqrxiv.org/
- tftarget ★ 274 — Interactive Terraform target selector — https://github.com/future-architect/tftarget
- paclear ★ 229 — Terminal clear with PAC-MAN animation — https://github.com/orangekame3/paclear
- stree ★ 143 — S3 bucket directory tree visualization — https://github.com/orangekame3/stree
- ghfetch ★ 63 — GitHub profile fetcher — https://github.com/orangekame3/ghfetch
## Education
Tokyo University of Science, M.S. Physics 2019 — 2021
Tokyo University of Science, B.S. Physics 2015 — 2019
## Publications
- A Practical Open-Source Software Stack for a Cloud-Based Quantum Computing System — IEEE QCE, 2025
- 量子クラウドの待ち時間短縮：量子古典ハイブリッド実行と量子マルチプログラミング — 情報処理学会 研究報告, 2025
- 1万量子ビットの実現に向けた量子コンピュータシステム化の課題 — 情報処理学会 研究報告, 2025
- Software Mistakes and Tradeoffs — Translation, 2023
- Ultrastrong Tunable Coupler Between Superconducting LC Resonators — Phys. Rev. Applied, 2021
## Invited Talks
- 量子クラウドサービスの裏側 − Deep Dive into OQTOPUS — IQuRA, 2026.01
- Development of a Cloud Quantum Computing System at Osaka University — QSMC 2024, 2024.10
## Conference Presentations
- A Practical Open-Source Software Stack for a Cloud-Based Quantum Computing System — IEEE QCE, 2025.09
- OQTOPUS: An Open-Source Software Stack for Cloud-Based Quantum Computing — HEART, 2025.05
- 超伝導準集中定数共振器間における高強度可変結合素子の実装 — 日本物理学会, 2021.03
## Poster Presentations
- OQTOPUS: Open Quantum Toolchain for Operators and Users — Munich Quantum Software Forum, 2025.10
- OQTOPUS: An Open-Source Software Stack for Cloud-Based Quantum Computing — SIP Symposium 2025, 2025.10
- OQTOPUS: An Open-Source Software Stack for Cloud-Based Quantum Computing — Quantum Innovation 2025, 2025.08
- OQTOPUS: An Open-Source Software Stack for Cloud-Based Quantum Computing — Quantinuum Training Session, 2025.05 (1st Prize)
- Tunable coupling of lumped element resonators for scalable annealing architecture — RIKEN-AIST Quantum Workshop, 2019
## Service
- Poster Committee — HPCAsia 2026, 2026.01