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Jobs at Quantum-Si

$155,000 – $175,000 · Posted 25 days ago

Senior Software Engineer responsible for designing, developing, and maintaining control software for advanced life science research instruments. The role spans the full technology stack—from low-level hardware integration and motion control to distributed services and user-facing applications—requiring expertise in C#/.NET, Linux, real-time data acquisition, multi-threaded programming, and RPC frameworks.… Core responsibilities include developing data acquisition and signal processing pipelines, collaborating with systems engineering teams, refactoring existing architecture, and troubleshooting complex instrument software. Requires 5+ years of software development experience with strong C# proficiency and familiarity with control systems, communication protocols, and performance optimization.

San DiegoLast seen 23 days ago
$90,000 – $130,000 · Posted 1 month ago

This Systems Integration Engineer II/III role centers on hands-on system validation, verification, and reliability testing for complex life-science instrumentation integrating hardware, software, firmware, optics, lasers, fluidics, and motion control. The engineer will conduct cross-functional troubleshooting, execute structured test protocols, analyze instrument performance data using statistical methods and Python, and document findings to drive design improvements and field support readiness.… Key responsibilities include evaluating workflows against real customer use cases, performing root-cause analysis on failure modes, and continuously refining integration documentation and testing practices. The role requires 2–5 years of systems integration or testing experience, proficiency in DOE/FMEA/statistical analysis, and hands-on lab work with prototypes and integrated instruments.

San DiegoLast seen 1 month ago
$275,000 – $300,000 · Posted 1 month ago

Senior Director of Engineering role leading cross-functional teams of engineers, systems integration scientists, and instrument software developers at a scientific instrumentation company. Responsibilities include developing engineering strategy aligned with business goals, overseeing product development from concept to commercialization, managing instrument control software integration with hardware, and ensuring compliance with quality and regulatory standards.… Requires 8+ years in engineering leadership and 12+ years total engineering experience, preferably in biotechnology or scientific instrumentation, with proven ability to manage complex projects through full lifecycle.

San DiegoLast seen 1 month ago
$155,000 – $175,000 · Posted 1 month ago

Senior software engineer responsible for designing, developing, and maintaining control software for advanced life science research instruments. Core work spans low-level hardware integration, data acquisition, motion control, signal processing, and distributed services using C# and .NET 6+.… Will refactor existing architecture, improve performance and reliability, and collaborate with systems engineering teams to implement new instrument functionality. Requires 5+ years of software development experience, proficiency with Linux, multi-threaded programming, real-time data acquisition, and RPC frameworks like gRPC.

San DiegoLast seen 1 month ago