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Sr Engineer, GUI Instrument Software

Masimo Corp.

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$57.69-81.73 /h
PAY RATE
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Irvine, CA
LOCATION

Job Description

As posted by the hiring company

Job Overview:

Job Summary: 

As a Sr Instrument Software Engineer, you will design, develop, and maintain high-performance graphical applications for next-generation patient monitoring devices. This role leverages strong expertise in C++ development, computer graphics, and interactive UI systems to build reliable, efficient, and visually intuitive user interfaces. You will work on performance-critical software, collaborate closely with cross-functional teams, and contribute throughout the full software lifecycle—from design and implementation to testing and documentation.

Day to day: 

  • Design and develop C++-based GUI applications and visualization tools for embedded medical devices.
  • Implement and maintain graphics-driven user interfaces, balancing usability, performance, and memory constraints.
  • Build and optimize runtime systems, data formats, and serialization pipelines to support responsive UI behavior.
  • Apply strong multithreading, memory management, and performance optimization principles.
  • Participate in peer design and code reviews, ensuring software quality and maintainability.
  • Produce clear software documentation and technical specifications.
  • Contribute to software testing and validation, supporting stable and reliable device behavior.
  • Collaborate in a fast-paced, cross-disciplinary development environment.

Required Qualifications:

  • Strong fundamentals in computer graphics and real-time rendering concepts.
  • 5+ years of C++ software development experience in performance-critical systems.
  • Hands-on experience with GUI design and development, including visual tooling and user-facing interfaces.
  • Solid understanding of operating system concepts, including scheduling, memory management, and multi-threading.
  • Experience with software configuration management tools (Git, Jira-style workflows).
  • Excellent analytical, problem-solving, and debugging skills.
  • Strong verbal and written communication skills.
  • Ability to excel in a dynamic, fast-moving development environment.
  • BS or MS degree in Computer Science, Electrical Engineering, or a related field.
  • Ability to work onsite Monday - Friday in Irvine, CA. 

Preferred Qualifications:

  • Experience with Qt / QML or similar GUI frameworks.
  • Experience with OpenGL / OpenGL ES and shading languages (GLSL).
  • Background in GPU-accelerated or graphics-intensive applications.

Education:

  • BS or MS degree in Computer Science or Engineering

Compensation:

The anticipated salary range for this position is $120,000 - $170,000 plus benefits. Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, and experience. This position also qualifies for up to 10% annual bonus based on Company, department, and individual performance.