Senior Instrument Control Software Engineer (Equity)

Quantum--s; San Diego (CA); On-site; USD 155,000 - 175,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k)

Paid time off

Job summary

Quantum-Si is seeking a Senior Software Engineer for Instrument Control to design, develop, and maintain software across the instrument stack, from low-level hardware interfaces to distributed services on Linux. You will help scale throughput and ensure reliability for next-generation scientific instruments.

The role requires 5+ years in software development, strong C#, .NET 6+, Linux experience, and proficiency with Git and CI/CD.

Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering or related discipline (or equivalent practical experience).
• 5+ years of professional experience in software development, with a strong focus on C#.
• Experience with .NET 6+ for developing and maintaining cross-platform applications.
• Familiarity with Linux operating systems (Ubuntu preferred).
• Proficiency with Git and collaborative development workflows, including code review and Agile/Scrum practices.
• Experience with automated testing (unit and integration) and CI/CD pipelines.
• Experience with multi-threaded programming and real-time data acquisition.
• Experience with RPC frameworks (e.g., gRPC) for inter-process and inter-service communication.

Responsibilities

• Design, develop, and maintain software for the instrument, ensuring high performance and reliability.
• Develop and integrate data acquisition, motion control, signal processing, data analysis, automated workflows, and user interfaces for a complex scientific instrument.
• Collaborate with systems integration and engineering teams to define and implement new instrument functionality.
• Refactor and improve existing software architecture to enhance maintainability and reduce technical debt.
• Document software designs, code, and processes to ensure clarity and maintainability.
• Troubleshoot and debug software issues, providing timely resolutions.

Skills

C#

.NET 6+

Linux

Git

Multi-threading

Real-time data

gRPC

Performance optimization

Education

Bachelor's degree in CS/EE or related

Tools

Python scripting

CI/CD pipelines

Distributed services

Job description

Quantum-Si is seeking a Senior Software Engineer for Instrument Control to design, develop, and maintain software across the instrument stack, from low-level hardware interfaces to distributed services on Linux. You will help scale throughput and ensure reliability for next-generation scientific instruments.

The role requires 5+ years in software development, strong C#, .NET 6+, Linux experience, and proficiency with Git and CI/CD.