# Takafumi Miyanaga (宮永崇史)

> Quantum Systems Engineer specializing in cloud-native quantum computing systems, calibration automation, and superconducting quantum computer operations

## About

Takafumi Miyanaga (宮永崇史) is a quantum systems engineer at Osaka University QIQB, specializing in cloud-native quantum computing systems, calibration automation, and superconducting quantum computer operations. He is the lead developer of OQTOPUS, an open-source software stack for operating cloud-accessible superconducting quantum processors, including 64- and 144-qubit systems, and designed QDash, a calibration orchestration platform for large-scale superconducting quantum processors.

## Key Projects

- OQTOPUS: Open Quantum Toolchain for OPerators & USers - https://oqtopus-team.github.io/
- oqtopus-cloud: Cloud-based quantum computing platform - https://github.com/oqtopus-team/oqtopus-cloud
- mirrormate: Your partner in the mirror - https://github.com/orangekame3/mirrormate
- tftarget: Interactive Terraform target selector - https://github.com/future-architect/tftarget

## Expertise

- Programming Languages: Go (Golang), Python, TypeScript/JavaScript
- Quantum Systems: Superconducting Qubits, Calibration Automation, Pulse-Level Control, Quantum Hardware Integration, Production Quantum Systems
- Quantum Software: OpenQASM 3.0, Cloud Quantum Computing, Job Scheduling, Device Gateway, Quantum Benchmarking
- Cloud & Infrastructure: AWS, Terraform, Docker, CI/CD, OpenTelemetry, Reliability Engineering
- Open Source Software Development

## Education & Career

- 2023 - Present: Specially Appointed Researcher, Osaka University QIQB
  - Lead developer of OQTOPUS, an open-source cloud quantum computing platform supporting 64- and 144-qubit superconducting systems
  - Designed software architecture spanning cloud APIs, job scheduling, execution backends, device gateway, user interfaces, observability, and production operations
  - Developed QDash for superconducting quantum processor calibration orchestration
  - Operated and maintained production quantum computing systems used by external researchers through cloud access
  - Automated calibration workflows and device health monitoring to improve operational efficiency and system reliability
- 2021 - 2023: Backend Engineer & Consultant, Future Corporation
- 2019 - 2021: M.S. Physics, Tokyo University of Science (Superconducting Quantum Circuits)
- 2015 - 2019: B.S. Physics, Tokyo University of Science

## Publications

- arXiv 2026: "QuBE/Qubex: an integrated hardware-software system for superconducting qubit experiments with broadband control"
- Book 2026: "Quantum Innovation Handbook" (co-author, Japanese)
- IEEE QCE 2025: "A Practical Open-Source Software Stack for a Cloud-Based Quantum Computing System"
- arXiv 2025: "Auxiliary-field quantum Monte Carlo method with quantum selected configuration interaction"
- Physical Review Applied 2021: "Ultrastrong Tunable Coupler Between Superconducting LC Resonators" (first author)
- Translation: "Software Mistakes and Tradeoffs" (O'Reilly Japan, 2023)

## Contact

- Website: https://orangekame3.dev
- GitHub: https://github.com/orangekame3
- Twitter: https://twitter.com/orangekame3
- LinkedIn: https://www.linkedin.com/in/takafumi-miyanaga-4476131a6
- Email: contact@orangekame3.dev
- Zenn: https://zenn.dev/orangekame

## Site Structure

- / - Home page with profile and latest posts
- /blog/ - Technical blog posts (English/Japanese)
- /cv/ - Curriculum Vitae (PDF available)
- /talks/ - Conference talks and presentations

## Languages

- Japanese (Native)
- English (Technical working proficiency; comfortable with professional discussions in quantum systems and software engineering)