Software Engineer; Mid Level and Senior

Overview

About Rheo Sense, Inc. Rheo Sense, Inc. (Rheo Sense) is a leading scientific instrumentation company specializing in high‑precision microfluidic viscosity measurement technology. Our 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 Rheo Sense, 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 (Mid‑Level and Senior)

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 listed for consideration on an ongoing basis.

This is not necessarily an all‑inclusive list of job‑related responsibilities, duties, skills, efforts, requirements, or working conditions. Management reserves the right to revise the job or require other tasks 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 self‑motivation and accountability.
• Contribute as a team player when needed, supporting collaboration and shared success.
• Perform additional duties as assigned.

Senior‑level expectations: 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 Win Forms 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)

• 5+ years of professional, hands‑on Windows development experience (C# / .NET, C++).
• 5+ years of significant experience with Win Forms 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 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…