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Confirmed on the employer's own hiring board on Sep 29, 2026. First seen by Alion on Aug 16, 2026. JIJ scores B on the Alion truth index.

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JIJ

株式会社JIJは、数理最適化・量子技術の専門家が集い、エネルギーバリューチェーン領域を中心に幅広い産業を対象に、グローバルにサービスを提供するスタートアップです。 数理最適化の数理モデル構築から実装までのプロセスをなめらかにするソフトウェアサービス.

•Quantum Computing Software Engineer

Description

### Background

We are strengthening our software development efforts to accelerate the practical application of quantum computing and optimization technologies. We are looking for engineers who have a solid understanding of quantum computing fundamentals and practical software development skills.

### Responsibilities

As a Quantum Computing Software Engineer, you will be responsible for:

- Implementing and optimizing quantum algorithms

- Developing software using quantum programming languages and SDKs such as Qiskit, CUDA-Q, and QURI-Parts

- Testing and debugging software on quantum computers

- Integrating classical software with quantum software

- Developing and improving quantum computing libraries

- Designing and implementing quantum software solutions based on client requirements

#### Technologies Used at JIJ

- Python

- Rust

- Qiskit

- QURI-Parts

- GitHub

- Notion

- Generative AI tools (Claude, Gemini, GitHub Copilot, etc.)

- Quantum SDKs: Qiskit, QURI-Parts, PennyLane, CUDA-Q

Requirements

### Background

We are strengthening our software development efforts to accelerate the practical application of quantum computing and optimization technologies. We are looking for engineers who have a solid understanding of quantum computing fundamentals and practical software development skills.

### Responsibilities

As a Quantum Computing Software Engineer, you will be responsible for:

- Implementing and optimizing quantum algorithms

- Developing software using quantum programming languages and SDKs such as Qiskit, CUDA-Q, and QURI-Parts

- Testing and debugging software on quantum computers

- Integrating classical software with quantum software

- Developing and improving quantum computing libraries

- Designing and implementing quantum software solutions based on client requirements

#### Technologies Used at JIJ

- Python

- Rust

- Qiskit

- QURI-Parts

- GitHub

- Notion

- Generative AI tools (Claude, Gemini, GitHub Copilot, etc.)

- Quantum SDKs: Qiskit, QURI-Parts, PennyLane, CUDA-Q

Preferred Experiences

- Hands-on experience with quantum computing projects

- Knowledge of machine learning or artificial intelligence

- Contributions to open-source projects

- Experience with cloud computing platforms

- Experience in software design

- Experience in software development with AI agents

We are looking for

- Strong curiosity and eagerness to learn new technologies

- Ability to approach complex problems creatively

- Team-oriented and able to collaborate with people from diverse backgrounds

- Attention to detail and efficiency, producing high-quality code

Working Conditions

Salary

※To be determined based on experience and qualifications

- Bonus: Provided based on company performance

- Salary review: Twice a year

Location

### Work Authorization

Applicants must have, or be eligible to obtain, the legal right to work in the country of employment. Visa sponsorship may be available depending on the role and employment location.

Job Type

正社員

Work hours

・裁量労働制/フレックスタイム制 ※職種によって異なります

Probation period

あり(3ヶ月)

Benefits

<制度・福利厚生>

・各種保険完備

・交通費全額支給

・PC貸与

・モニター貸与

・研究費補助

・書籍購入補助

<補足:労働条件明示事項>

  • 業務の変更範囲

入社直後:量子コンピューティング ソフトウェアエンジニア

変更範囲:弊社事業に関わる業務全般

  • 就業場所の変更範囲

・入社直後:国内にあるご自宅、もしくは事業所

・変更範囲:会社の定める、国内および海外の事業所

※今後新設される事業所も含む(出向の場合は、出向先で定める事業所を含む)

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