.NET Developer

Fluid - Solutions de Talents/Workforce Solutions

Neenah, WI 54956, USA

Published: 6/14/2022

Technology

Full Time

Job Description

Role: .NET Developer

Location: Neenah, WI (Onsite 5 days a week)

Duration: 4–5 month contract

About the Role

We're looking for a Senior .NET / WPF Developer to join an onsite team building and enhancing a laboratory information management and instrument integration system. You'll own the development of a complex desktop application spanning instrument communication, data processing workflows, and reporting — working directly with engineering, product, and QA stakeholders in an Agile environment. If you thrive in device-connected, data-intensive environments and enjoy solving real-world integration challenges, this role is worth a close look.

Key Responsibilities

Application Development (approx. 80%)

Design and develop a WPF-based desktop application using a modular, scalable architecture
Build and enhance workflows supporting lab data capture, calibration, measurement, review, and reporting
Implement multithreading and async programming patterns for real-time instrument interaction and responsive UI behavior
Develop data access, offline data handling, synchronization, and upload capabilities
Enable data export, reporting, and printing functionalities

Device & Instrument Integration (approx. 20%)

Implement device integration frameworks for multiple laboratory instruments and peripheral devices
Develop device management and configuration modules, including health checks, status monitoring, thresholds, and communication settings
Handle serial communication and device connectivity using COM protocols, device APIs, and SDKs

Collaboration & Quality

Partner with engineering, product, and QA teams on architecture, testing strategy, and deployment planning
Perform end-to-end validation, integration testing, and issue resolution across device and application workflows

Qualifications

Required

5–8 years of software development experience
Strong proficiency in WPF and desktop UI development
Solid experience with C# and .NET Core / .NET Framework
Hands-on experience with serial communication and COM port-based integrations
Strong understanding of multithreading and async programming using Task and async/await
Experience integrating hardware devices through APIs, SDKs, or communication protocols
Knowledge of database access technologies such as ADO.NET or ORMs
Experience with modular application architecture and desktop application design
Strong problem-solving and debugging skills in device-connected environments

Preferred

Experience with laboratory systems, scientific instruments, or embedded device integrations
Familiarity with LIMS workflows, sample/result handling, or regulated lab environments
Knowledge of NI libraries or equivalent integration frameworks
Experience with installer creation and deployment packaging
Exposure to offline-first applications and sync mechanisms

Fluid thanks you for your interest in this opportunity. However, only candidates with the required qualifications will be contacted.

Fluid adheres to the principles of equal employment opportunity and affirmative action. We welcome and encourage diversity in our workplace.

Candidates must be eligible to work in the United States.