Senior Backend Engineer - Quantum Compiler & Controller

Q-CTRL; San Francisco (CA); On-site; USD 135,000 - 210,000; Full time

Job summary

Q-CTRL seeks a talented Software Engineer to join their Boulder Opal team in San Francisco. In this role, you will design and maintain a high-performance backend system that bridges quantum programming and execution. The ideal candidate has over 5 years of expertise in backend development using Python and is passionate about quantum computing. They will experience hands-on work with quantum hardware while collaborating with cross-functional teams. Salary is between $135,000 - $210,000, plus potential bonuses and equity.

Qualifications

• 5+ years of backend software development experience.
• Experience with quantum hardware control systems or pulse-level programming.
• Familiarity with popular Python web frameworks.

Responsibilities

• Design, develop, and optimize scalable backend services in Python.
• Maintain and evolve the compiler stack for quantum controllers.
• Work closely with researchers to translate needs into production-ready code.

Skills

Backend software development

Python

Quantum hardware control systems

Web frameworks (Django, Flask, FastAPI)

Education

Bachelor’s degree in Computer Science or related field

Tools

OpenQASM3

C++

Rust

Job description

Q-CTRL seeks a talented Software Engineer to join their Boulder Opal team in San Francisco. In this role, you will design and maintain a high-performance backend system that bridges quantum programming and execution. The ideal candidate has over 5 years of expertise in backend development using Python and is passionate about quantum computing. They will experience hands-on work with quantum hardware while collaborating with cross-functional teams. Salary is between $135,000 - $210,000, plus potential bonuses and equity.