#264 Hardware Control System Engineer (Optical Quantum Computer / Real-time Control)

Company Overview

The company aims to bring quantum computing into practical, real-world use.

By realizing quantum computing, they seek to balance energy efficiency with high computational power, overcome the limits of information processing facing humanity, and contribute to the creation of a sustainable society.

They are a pioneering leader in the global quantum computing market, driven by proprietary optical quantum technology that enables room-temperature operation and excellent scalability. A diverse team of highly skilled professionals from various backgrounds and fields collaborates daily, transcending borders and disciplinary boundaries.

They welcome ambitious individuals who want to create world-changing “next-generation technology” firsthand and make a genuine impact on the global market.

The company is also well-capitalized, having raised a total of 7 billion yen in funding.

Key Responsibilities

In this position, you will be responsible for low-level processing, communication, and driver control closely tied to the physical hardware of the actual system. Specific duties include:

・Designing and implementing control software and drivers for the equipment comprising the optical quantum computer

・Defining hardware control requirements and signal synchronization interface specifications in close collaboration with the hardware development team (electrical circuit engineers and optical engineers)

・Implementing high-speed feedback of measurement data from the system and automating calibration processes

・Optimizing modules that convert quantum circuit instructions into physical control signals, as well as low-latency communication infrastructure

Requirements

・3+ years of development experience in control systems, embedded Linux, or real-time OS environments using languages ​​such as C/C++, Rust, or Python

・Experience designing and developing interfaces (e.g., PCIe, Ethernet, USB, GPIB) for precision instruments, measuring equipment, communication devices, etc.

・Communication skills to collaborate with hardware developers and researchers, and to define requirements and create specifications based on quantitative and logical analysis

・Technical communication skills in English (reading documentation, chat-based communication)

・Japanese proficiency at a conversational level (JLPT N3 or higher)

Preferred Requirements

・Experience in developing high-reliability, precision control systems for sectors such as semiconductor manufacturing equipment, optical instruments, medical devices, and telecommunications infrastructure

・Practical experience with FPGA control, signal processing (DSP), or waveform control and data acquisition using instruments such as AWGs and oscilloscopes

・Ability to independently comprehend and quickly master technical papers and hardware specifications in unfamiliar domains (e.g., physics, optics)

・Proficiency in oral English communication (capable of participating in meetings and discussions)

Terms and Conditions

• Annual Salary: 8 million JPY or higher (determined based on experience and skills)

• Bonus: None

• Salary Increase: Once a year

• Probation Period: 3 months

• Location: Tokyo

• Social Insurance: Fully covered

• Working Hours: Flextime (Core time: 13:00–16:00)

• Holidays: Saturdays, Sundays, and National Holidays

• Average Overtime: Discretionary labor system

• Smoking Cessation Measures: Non-smoking indoors

Selection Process

• Selection Flow: Three interviews (one in-person; includes a code walkthrough).

• Required Documents: Resume, CV (work history), and list of publications

• Interview Language: Japanese or English