Software Engineer, Quantum Control

Job Description

Job Title: Senior Software Engineer, Quantum Control (Boulder Opal). Location: Los Angeles, California (Hybrid)

This role serves as the bridge between research and engineering, developing scalable solutions for quantum hardware calibration and automation; You will collaborate with world-class quantum physicists and engineers to deliver software that drives innovation and enables the next generation of quantum systems.

Responsibilities:

• Collaborate with researchers and experimentalists to develop tools that enhance quantum research and system control.
• Design and implement reusable, scalable software features for quantum control platforms;
• Develop and optimize modular back-end architectures and APIs for performance and reliability.
• Troubleshoot and resolve technical issues while maintaining high responsiveness to users and internal teams.
• Work across product, design, and infrastructure teams to deliver integrated, end-to-end software solutions.
• Improve code quality, security, and overall system efficiency;
• Stay current with quantum technology trends and contribute to ongoing innovation.
• Mentor junior engineers and help strengthen the overall technical culture.

Qualifications:

• Advanced degree (PhD or MSc preferred) in Physics, Computer Science, Engineering, or a related field.
• Strong knowledge of quantum physics and quantum computing concepts.
• Proficiency in Python and modern software development practices;
• Experience in developing software tools for quantum hardware calibration or control systems.
• Strong collaboration and communication skills across research and engineering teams;
• Proven ability to design scalable software architectures and troubleshoot complex systems.
• Experience mentoring and supporting junior engineers.

Preferred:

• Experience with quantum hardware control systems;
• Experience with Python frameworks such as Django, Flask, or FastAPI.
• Prior experience working in a startup or scale-up environment.

Salary and Benefits:

• Base salary range: $135,000 - $210,000, depending on experience and location.
• May include annual discretionary bonuses, equity, and other forms of compensation.
• Competitive benefits and flexible working arrangements;
• Equity opportunities and career growth in a global, high-performance team.

Additional Information: Applicants with arrest or conviction records will be considered in compliance with Los Angeles County and California Fair Chance laws; Official communications will only come from the @q-ctrl.com domain; Q-CTRL may use AI tools to assist in resume review and application processing, but all final hiring decisions are made by humans; Recruitment agencies: unsolicited resumes will not be accepted.