Senior Instrument Control & Automation Engineer

Quantum; Branford (CT); On-site; USD 155,000 - 175,000; Full time

Benefits offered by this job

Excellent health benefits

401(k) with company match

Paid time off and holidays

Parental leave

Job summary

Quantum‑Si is seeking an experienced instrument control software engineer to join our software team. You will design, develop, and maintain software across low‑level hardware integration to distributed services, with a focus on C#, Linux, and cross‑platform architecture.

You will collaborate with hardware and systems teams on data acquisition, motion control, and automation, while refactoring code, improving maintainability, and upholding rigorous testing and documentation standards.

Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering or related discipline (or equivalent practical experience).
• 5+ years of professional software development experience with C#.
• Experience with .NET 6+ for cross-platform apps.
• Familiarity with Linux OS (Ubuntu preferred).
• Proficiency with Git and Agile/Scrum workflows.
• Experience with automated testing and CI/CD pipelines.
• Experience with multi-threaded programming and real-time data acquisition.
• Experience with RPC frameworks (e.g., gRPC).
• Track record in software architecture improvement and refactoring.
• Strong documentation skills for maintainability.

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 UIs.
• Collaborate with systems integration and engineering teams to define instrument functionality.
• Refactor and improve software architecture to reduce technical debt.
• Document software designs, code, and processes for clarity.
• Troubleshoot and debug software issues with timely resolutions.

Skills

C#

.NET 6+

Linux

Git

Agile/Scrum

CI/CD

Multi-threading

gRPC

Architecture

Documentation

Education

Bachelor's degree in Computer Science or Electrical Engineering

Tools

Git

CI/CD

Avalonia

Python

gRPC

Job description

Quantum‑Si is seeking an experienced instrument control software engineer to join our software team. You will design, develop, and maintain software across low‑level hardware integration to distributed services, with a focus on C#, Linux, and cross‑platform architecture.

You will collaborate with hardware and systems teams on data acquisition, motion control, and automation, while refactoring code, improving maintainability, and upholding rigorous testing and documentation standards.