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RheoSense Inc. Tech Stack

MEMS-based viscometers for biotech and pharma with minimal sample volume

Biotechnology Research San Ramon, California 11–50 employees Founded 2001 Privately Held

RheoSense manufactures viscometry instruments using patented microfluidics technology, targeting biotech and pharmaceutical R&D labs. The tech stack is Windows-centric (.NET, C#, WinForms, WPF) with SQL Server backend and hardware integration via USB/CAN/Ethernet — typical of embedded lab instrumentation. Active hiring across sales, engineering, and manufacturing, combined with projects around ERP migration and omni-channel GTM expansion, suggests the company is scaling production and distribution beyond its core biotech customer base.

Tech Stack 27 technologies

Core StackC# .NET C++ SQL Server Solidworks Salesforce HubSpot Bill.com WinForms WPF XAML SQLite Git Subversion Ethernet USB CAN Windows Microsoft Office Word Excel Microsoft Project Microsoft Access PowerPoint QuickBooks Desktop Enterprise Outlook

ReplacingQuickBooks

What RheoSense Inc. Is Building

◆Challenges

Transitioning from quickbooks
Customer adoption of advanced scientific technologies
Expanding market footprint
Streamlining accounting processes as company grows

▲Active Projects

Implement new erp/mrp system
Automatic drip campaigns for life sciences audiences
Omni-channel marketing strategy for adjacent markets
Market research for life sciences trends

Hiring Activity

Steady15 roles · 7 in 30d

Department

Sales

5

Engineering

4

Finance

2

Manufacturing

2

Support

2

Marketing

1

Ops

1

Seniority

Mid

6

Senior

6

Manager

3

Staff

1

VP

1

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About RheoSense Inc.

RheoSense designs and sells viscometers and rheometers built on proprietary Viscometer/Rheometer-on-Chip (VROC) technology. The instruments are optimized for small-volume samples and precision measurement, serving biotech, pharmaceutical, and protein therapeutics research. The company operates from San Ramon, California, with 11–50 employees across engineering, manufacturing, sales, and support functions. Current operational priorities include transitioning ERP systems (away from QuickBooks), expanding into adjacent market segments, and developing marketing automation and omni-channel strategies for life sciences audiences.

HeadquartersSan Ramon, California

Company Size11–50 employees

Founded2001

Hiring MarketsUnited States, United Kingdom

Frequently Asked Questions

What is RheoSense's core technology?

Viscometer/Rheometer-on-Chip (VROC) — a patented MEMS and microfluidics platform that enables viscosity measurement with minimal sample volume and high accuracy.

What tech stack does RheoSense use?

Windows/.NET ecosystem (C#, WinForms, WPF, XAML), SQL Server and SQLite databases, hardware integration via USB/CAN/Ethernet, with Salesforce and HubSpot for sales/marketing operations.

Where is RheoSense hiring?

Primarily the United States and United Kingdom. Active openings span sales (5), engineering (4), manufacturing (2), finance (2), support (2), and single roles in marketing and ops.