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About RheoSense, Inc.
RheoSense, Inc. (RheoSense) is a leading scientific instrumentation company specializing in high-precision microfluidic viscosity measurement technology. Our innovative VROC® platform is trusted by researchers, engineers, and scientists across biotechnology, pharmaceuticals, materials science, and advanced manufacturing.
We are committed to delivering accurate, reliable, and user-friendly measurement solutions that empower our customers to accelerate discovery, improve product performance, and drive scientific advancement.
At RheoSense, we foster a collaborative, fast-moving environment where innovation, continuous improvement, and customer focus guide everything we do. As we continue to grow, we're looking for talented individuals who are excited to contribute to cutting-edge technology and make a meaningful impact in the scientific community.
Position: Software Engineer
Corporate Office: San Ramon, California
Relocation Assistance: No (Local Candidates Are Encouraged to Apply and Will Be Given Preference)
Closing: Continuous Recruitment. We are accepting and reviewing all qualified applicants who meet the minimum requirements which are listed in this announcement for consideration on an ongoing basis.
Application Screening Process: Your application will not be considered if you fail to meet the minimum qualifications listed below or do not submit a detailed cover letter and resume as required for the application screening process.
Salary: $120,000 - $155,000 annually.
The successful candidate's starting base will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location. It is not typical for an individual to be hired at or near the top of the base range for this role.
Who You Are
You are passionate about developing impactful applications that solve real-world problems and thrive in a fast-paced, collaborative environment where flexibility and adaptability are essential. You bring strong technical expertise, apply best practices and proven processes, and take pride in making meaningful contributions to complex projects. You enjoy working alongside talented engineers to bring innovative programs to life for our users, and you're energized by challenging work that allows you to deliver exceptional results as part of a dynamic, forward-thinking team.
Job Responsibilities and Expectations
This is not necessarily an all-inclusive list of job-related responsibilities, duties, skills, efforts, requirements, or working conditions. While this is intended to be an accurate reflection of the current job, management reserves the right to revise the job or to require that other or different tasks be performed as assigned.

• Develop and maintain Windows-based application programs within scheduled timelines.
• Design and implement user-friendly graphical user interfaces (GUIs).
• Create testing programs for calibration and production.
• Document specifications and assist in developing user guides and manuals.
• Collaborate effectively with team members to deliver reliable, user-focused applications.
• Work independently on assigned projects, demonstrating strong self-motivation and accountability.
• Contribute as a team player when needed, supporting collaboration and shared success.
• Perform additional duties as assigned.

Senior-level engineers will additionally be expected to:

• Lead application development efforts with minimal guidance.
• Provide technical direction and mentorship to junior team members.
• Drive architectural decisions and contribute to long-term product strategy.

Minimum Qualifications (Mid-Level Software Engineer)

• 3+ years of professional, hands-on Windows development experience (C# / .NET, C++).
• Experience developing WinForms and/or WPF/XAML applications; familiarity with MVVM design patterns.
• Ability to design intuitive and efficient Windows GUIs.
• Working knowledge of database development (e.g., SQL Server, SQLite).
• Familiarity with software testing techniques and tools (Unit Testing, Black Box Testing).
• Experience with source control systems (e.g., Git, SVN).
• Exposure to communications and command-and-control technologies (Ethernet, RS232/RS485, USB, CAN).
• Solid understanding of core software development methodologies (Object-Oriented Programming, Agile Development, common design patterns).
• Strong analytical, problem-solving, and communication skills.
• Self-motivated with the ability to work independently and collaboratively.

Minimum Qualifications (Senior Software Engineer)
Includes all Mid-Level qualifications plus:

• 5+ years of professional, hands-on Windows development experience (C# / .NET, C++).
• 5+ years of significant experience with WinForms and WPF/XAML, including MVVM.
• Proven ability to build test, calibration, and automation programs for prototypes and manufacturing.
• Significant experience with communications and command-and-control technologies (Ethernet, RS232/RS485, USB, CAN).
• Demonstrated ability to independently lead application development from inception to completion.
• Ability to convey technical information clearly and confidently to diverse audiences.
• A strong results-driven mindset with a hands-on approach.

Preferred Qualifications (Both Levels)

• MS or Ph.D. in Science, Engineering, or Computer Science.
• Experience developing software for test, measurement, or automation systems involving hardware interface and control.
• Proficiency in web and HTML-based technologies (JavaScript, Angular 2, Node.js, REST API).
• Expertise in embedded development (RTOS and non-RTOS).
• Familiarity with FDA/GMP standards and compliance processes.
• Experience with NI LabVIEW.
• Coursework or project experience in AI and machine learning.
• Proficiency with Python, TensorFlow, PyTorch, or similar tools.
• Contributions to AI-related research, publications, or impactful projects.

Physical Requirements
These physical requirements are not exhaustive, and additional job-related physical requirements may be added to these on an as-needed basis.

• Ability to remain in a stationary position for extended periods while working at a computer or participating in meetings.
• Ability to operate a computer, keyboard, mouse, and other standard office equipment.
• Ability to move within the office environment as needed to collaborate with team members or access equipment.
• Ability to occasionally lift, carry, or move equipment or materials weighing up to 50 lbs.

What We Offer
At RheoSense, you can build an excellent job that grows into a meaningful and rewarding career. Our comprehensive benefits and workplace culture include:

• Financial stability through competitive compensation, performance incentives, and retirement plans
• Training and professional development to support long-term career growth
• Health and welfare benefits, including medical, dental, vision, life insurance, and wellness programs
• Paid Time Off (PTO) to support work-life balance
• Paid parental leave for both maternity and paternity
• 401(k) retirement savings plan with a company match of up to 4%
• Employee stock ownership (ISO) opportunities
• A collaborative, creative, inclusive, and engaging team environment

RheoSense is an equal-opportunity employer and is committed to maintaining a diverse and inclusive workplace.