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Senior C++C# Windows Endpoint Developer

ET Data Solutions


Job Location:

Jacksonville, FL - USA

Monthly Salary: Not provided by the employer
Posted: 7 October 2026 (10 hours ago)
Application Deadline: 4 January 2027
Vacancies: 1 Vacancy

Job Summary

Required Skills:
Top Must-Haves:
C# AND C development experience
Mid-senior level they would love to bring in someone to be with the team for the long haul but need someone that can jump in immediately
Windows platform development
Developing software that runs on Windows endpoints.
Interacting with Windows OS features.
Building endpoint-related utilities/tools.
Working with desktop operating system functionality.
Project Details:

Heads-down development.
Enhancements to existing internal tools.
Building and maintaining endpoint management utilities.
Security remediation work.
Small application and feature development.


Notes: **will take best fit candidates do not HAVE to have endpoint management experience but it is a HUGE plus**

Job Description
Senior C/C# Developer
Location: Jacksonville Florida (On-site)

Role Overview
We are seeking a motivated mid-senior level Software Developer with three or more years of hands-on experience in designing developing and supporting applications using C and C#. The ideal candidate will have experience building applications from the ground up developing software that runs on Windows endpoints and can contribute immediately to the team. This role focuses on heads-down development including enhancements to existing internal tools and security remediation work.

Key Responsibilities
  • Design develop test and maintain C/C# applications using Visual Studio.
  • Build new applications and services and enhance existing internal tools.
  • Develop software that runs on Windows endpoints and interacts with OS features.
  • Build and maintain endpoint management utilities and tools.
  • Develop and consume REST APIs and web services.
  • Create and maintain SQL Server database objects including tables and stored procedures.
  • Troubleshoot and resolve application performance and production support issues.
  • Collaborate with business partners and technical teams to deliver solutions.
Required Qualifications
Experience: 3 years of professional software development experience in a Windows platform development environment.

Technical Skills: Strong proficiency in C# and C development with experience using Microsoft Visual Studio. Knowledge of object-oriented programming SQL Server and source control systems like Git is required.

Preferred Qualifications
  • Experience developing MVC Core or Web API applications.
  • Experience with IIS Windows Server and application deployments.
  • Experience with Agile/Scrum methodologies.
  • Experience integrating applications with enterprise systems and APIs.