IBM Quantum Algorithm Researcher

Job Description

Job Title: IBM Quantum Algorithm Researcher - Japan. Location: Tokyo, Tokyo, Japan

Responsibilities:

• Work with researchers and engineers across the IBM Quantum Network to analyze and optimize quantum computing performance on hardware and cloud-based quantum systems.
• Collaborate with software development and product teams to test new capabilities and improve quantum software tools.
• Provide feedback on prototype features and identify software gaps to help shape future product development.
• Develop and maintain production-quality software across the IBM Quantum software stack;
• Stay current with the latest advances in quantum computing technologies and research.
• Deliver technical lectures, workshops, tutorials, and presentations for audiences ranging from beginners to experts.
• Collaborate with internal and external stakeholders to achieve project goals.
• Represent user feedback internally to improve products and accelerate adoption of quantum computing.

Qualifications:

• Master's degree in Physics, Computer Science, Computational Science, or a related field, or equivalent experience.
• At least 4 years of experience in quantum computing, including running near-term algorithms on quantum hardware.
• Strong programming skills in Python and Qiskit;
• Deep understanding of quantum computing architecture across hardware, middleware, and software.
• Experience analyzing, modeling, and optimizing quantum hardware performance, including transpilation, error suppression, and error mitigation techniques.
• Excellent communication, presentation, problem-solving, and project management skills.
• Fluent in both Japanese and English.

Preferred:

• PhD in Physics, Computer Science, Computational Science, or a related field.
• Knowledge of quantum system benchmarking techniques and hardware architecture trade-offs.
• Strong understanding of quantum algorithms for near-term applications.
• Experience with real quantum processors and system-level performance modeling;
• Experience with high-performance computing and hybrid quantum-classical computing.
• Software development experience, including documentation, debugging, testing, CI/CD, design patterns, and agile development.
• Experience collaborating with product, sales, and research teams.
• Experience in customer-facing or technical support roles.

Benefits and Compensation:

• Opportunity to contribute to IBM's roadmap toward fault-tolerant quantum computing.
• Work with leading researchers, Fortune 500 companies, academic institutions, national laboratories, and startups.
• Continuous learning, career development, and collaboration in a global research environment;
• Hybrid work arrangement with international collaboration opportunities.

Other Information:

• Hybrid work arrangement based in Tokyo, Japan.
• Travel up to 40% depending on project requirements.
• Regular professional position within IBM Research;
• Equal opportunity employer committed to diversity and inclusion.