Senior Windows Developer (C# / Windows OS) – Hybrid/ Remote / Full Time

Simple Solutions; Dallas, Northern (TX, KY); Hybrid; USD 110,000 - 140,000; Full time

Job summary

Simple Solutions is seeking a Senior Windows Developer to design, build, and maintain Windows desktop applications using C#. The role covers WinForms, WPF, and UWP as project needs, focusing on performance, stability, and user experience.

You will collaborate with QA, product management, and Customer Service to ensure high-quality software. Strong Windows OS internals knowledge and debugging skills are essential for success.

Qualifications

• 3+ years of experience developing applications for the Windows platform.
• Strong understanding of Windows OS internals, APIs, and system-level development.
• Experience with debugging tools and performance profilers (e.g., Visual Studio Debugger, PerfView).
• Familiarity with version control systems (Git).
• Previous Experience as a Support Engineer for an IT Organization.

Responsibilities

• Design, develop, and maintain Windows desktop applications using C#.
• Work with WinForms, WPF, and/or UWP depending on project needs.
• Optimize applications for performance, stability, and user experience.
• Collaborate with cross-functional teams including QA, product management, Customer Service.
• Ensure code quality through unit testing and code reviews.
• Maintain documentation for software architecture and functionality.
• Debug and resolve technical issues across different Windows environments.

Skills

Windows OS internals

C# development

WinForms/WPF/UWP

Performance optimization

Unit testing & code reviews

Debugging tools (VS, PerfView)

Git version control

Tools

Visual Studio

PerfView

Job description

SeniorWindows Developer (C# / Windows OS) – Hybrid/ Remote / Full Time

Dallas, United States | Posted on 11/21/2025

Job Title: Senior Windows Developer (C# / Windows OS / WPF)

Location:Remote or On-site Location, McKinney Texas

Employment Type:Full-Time

Department:Software Development

Job Description:

We are seeking a skilledWindows Developerwith hands-on experience building and maintaining products that run on the Windows platform. The ideal candidate has strong C# programming skills and a deep understanding of Windows OS internals, APIs, and deployment best practices. You will contribute to the design, development, and optimization of desktop applications that are used by thousands of end-users.

MUST HAVE Windows product development with recent experience in building windows products.

Key Responsibilities:

• Design, develop, and maintain Windows desktop applications using C#
  
• Work with WinForms, WPF, and/or UWP depending on project needs
  
• Optimize applications for performance, stability, and user experience
  
• Collaborate with cross-functional teams including QA, product management, Customer Service
  
• Ensure code quality through unit testing and code reviews
  
• Maintain documentation for software architecture and functionality
  
• Debug and resolve technical issues across different Windows environments
  

Required Qualifications:

• 3+ years of experience developing applications for the Windows platform
  
• Strong understanding ofWindows OS internals, APIs, and system-level development
  
• Solid understanding of packaging on a Windows platform
  
• Experience with debugging tools and performance profilers (e.g., Visual Studio Debugger, PerfView)
  
• Familiarity with version control systems (e.g., Git)
  
• Solid understanding of software development best practices and design patterns
  
• Previous Experience as a Support Engineer for an IT Organization
  

Preferred Qualifications:

• Experience with Windows Installer (MSI/WiX)
  
• Familiarity with COM, interop, or hardware-level integration on Windows
  
• Background in security or system services development on Windows
  
• Exposure to Agile/Scrum development methodologies
  
• Experiencewith Microsoft Intune and SCCM/Configuration Manager