Senior Software Engineer – POS Modernization

5+ years of professional software engineering experience Strong hands-on experience with C++ and/or C# (.NET) Experience working on or modernizing legacy enterprise systems, ideally in retail, fuel, or POS industries Familiarity with hardware integration (e.g., payment terminals, barcode scanners, fuel pumps)

Modernize and support store-level POS and fuel control systems Translate legacy software into modular, maintainable code Troubleshoot production issues across hardware/software integrations Collaborate with engineers and product managers to scope modernization efforts Participate in code reviews, platform documentation, and refactoring legacy components Support system reliability and performance in high-transaction retail environments