C++ Developer

Software Engineer III – C++ / Windows Systems

Location : Irving, TX (Preferred) or Atlanta, GA

Schedule : Onsite, 5 days / week

Contract Duration : 12 Months (No Extension)

Company Overview

At The Intersect Group, we connect highly skilled professionals with organizations that are driving innovation in retail and payments technology. Our client is a leader in the convenience, fuel, and retail space, focused on modernizing legacy systems and delivering seamless customer experiences. Their mission is to bridge the gap between traditional infrastructure and cutting-edge digital solutions, with a strong emphasis on reliability, scalability, and performance.

Role Summary

We are seeking a Software Engineer III with deep expertise in Visual C++ Win32 programming , and modern C++ standards to support a high-impact payments modernization initiative. This role is part of a specialized engineering team tasked with integrating two core systems—EPS and Connective Payments—into a unified platform.

You'll work hands-on with legacy codebases, contribute to automation and defect resolution, and collaborate closely with other engineers to ensure high-quality, testable software. Strong debugging skills and the ability to navigate complex, decades-old code are essential.

Key Responsibilities

• Design, develop, and maintain software solutions using Visual C++ and Win32 APIs.
• Navigate and modernize legacy codebases, some dating back 30+ years.
• Implement automated testing and qualification processes using tools like Cucumber or Behave.
• Debug and resolve defects across complex systems and integrations.
• Collaborate with cross-functional teams to ensure alignment with business and technical goals.
• Participate in design reviews, code walkthroughs, and sprint planning sessions.
• Mentor junior engineers and contribute to engineering best practices.
• Support integration with payment systems and ensure secure, compliant development.

Key Requirements

Nice to Have