Jr Application Developer Jobs in Wisconsin (NOW HIRING)

Requirement - Jr .Net WPF Developer

Location- Neenah, WI

Contract W2

Job Description: 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
•       4-5 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