Net Developer Contract Jobs (NOW HIRING)

Job Title: .Net Developer Job Id: 26-02944 Location: Neenah, WI Duration: 04-05 Months Contract Position Type: Hourly Contract Position (W2 only)

• Position is ONSITE- in Neenah, WI (currently all 5 days/week, days onsite may change).
• Typical hours are 8am- 4:30pm but can be slightly flexible if needed.
• Position will go 4-5 months with the possibility to extend but not guaranteed.
• Seeking someone available to start immediately.

Skills

• 5 to 8 years of experience, with strong expertise in WPF and UI development
• Core .NET and C# proficiency
• Experience with serial communication
• Strong knowledge of multithreading and asynchronous programming
• Hands-on experience interfacing with hardware devices via APIs or SDK integrations

Duration & Engagement

• Contract duration: 4 5 months
• Immediate or early onboarding preferred

Work Model

• Onsite role at PACE Centre, Neenah
• Close collaboration with engineering, product, and quality teams
• Agile, sprint-based delivery model

Role Overview

• We are seeking a skilled Senior .NET / WPF Developer for a contract role to support the development and enhancement of a laboratory information management and instrument integration system. This role involves building a desktop application with complex instrument integrations, device communication, data processing workflows, and reporting capabilities.
• The ideal candidate will bring strong expertise in WPF-based UI development, backend application logic, hardware/device integration, and real-time data handling in laboratory or instrument-driven environments.

Key Responsibilities

• Design and develop a WPF-based desktop application using a modular and scalable architecture
• Build and enhance workflows supporting laboratory data capture, calibration, measurement, review, and reporting
• 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
• Implement multithreading and asynchronous 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
• Collaborate 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

Required Skills & Experience

• 5 8 years of experience in software development
• 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 asynchronous 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 Skills

• Experience working 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

Scope Highlights

• Multi-device and instrument integration
• Calibration workflows and scientific data processing
• Real-time data acquisition and validation
• Reporting, export, and enterprise system integration
• End-to-end system validation and deployment support.