Software Engineer - Quantum Computing : Job Details

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About UsQuantum Computing Inc. (QCi) is an innovative, integrated photonics and quantum optics technology company that provides accessible and affordable quantum machines to the world today. QCi's products are designed to operate at room temperature and low power at an affordable cost. The Company's portfolio of core technologies and products offer unique capabilities in the areas of high-performance computing, artificial intelligence, and cybersecurity, as well as remote sensing applications.

About UsQuantum Computing Inc. (QCi) is an innovative, integrated photonics and quantum optics technology company that provides accessible and affordable quantum machines to the world today. QCi's products are designed to operate at room temperature and low power at an affordable cost. The Company's portfolio of core technologies and products offer unique capabilities in the areas of high-performance computing, artificial intelligence, and cybersecurity, as well as remote sensing applications.Life at QCiQCi thrives on collaboration, every team member works in a cross-functional capacity. While we provide a strong support structure, our startup environment also fosters a high level of autonomy, empowering individuals to take ownership of their tasks. Open communication and continuous feedback are core to our culture, and we take great pride in maintaining an environment that encourages both.We recognize the importance of work-life balance and understand that life happens. However, due to the highly cross-functional nature of our work, we seek individuals who appreciate the significance of their role and can effectively balance personal priorities with team objectives.About The RoleWe're looking for a Senior Software Engineer with strong experience in building and scaling backend systems using C++ and Python. This role is critical in supporting hardware teams with robust APIs, interfaces, and client libraries that enable testing, automation, and integration with backend services.Responsibilities

• Design and implement software interfaces between hardware systems and
• cloud/backend services.
• Build and maintain APIs, SDKs, client tools and documentation.
• Write efficient, reliable C++ for low-latency communication and protocol handling.
• Build Python tooling and services for automation, validation, and diagnostics.
• Collaborate closely with hardware, firmware, and systems teams to define interface requirements.
• Monitor system health, debug complex issues, and improve system robustness.

Required Qualifications

• 6+ years of experience in software engineering.
• Proficient in C++ (C++11 or later) and Python.
• Experience building APIs and client libraries that interact with hardware or embedded systems.
• Familiarity with protocols (e.g., UART, SPI, gRPC, REST), and hardware/software integration.
• Strong understanding of performance tuning and fault-tolerant design.
• Experience working in cross-functional engineering teams.

Preferred Qualifications

• Experience with test automation frameworks for hardware validation.
• Knowledge of embedded Linux or RTOS environments.
• Background in systems engineering, networking, or device provisioning.
• Understanding of cloud infrastructure.

Seniority level

• Seniority levelMid-Senior level

Employment type

• Employment typeFull-time

Job function

• IndustriesSoftware Development

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