Sr. Enterprise Engineer

Must be a US CITIZEN or Have a GREEN CARD Job Overview We are looking for a Sr. Software Engineer/Sr. Enterprise Engineer to help modernize and support legacy point-of-sale (POS) and fuel system software for a major retail technology platform. This is a high-impact role focused on real-world systems that drive in-store transactions and fuel operations at scale. You'll work primarily in C++, C#, and .NET environments, supporting and extending core business-critical platforms. This is not a web development role — it's ideal for engineers who enjoy deep systems work, modernizing legacy infrastructure, and solving problems in complex, high-volume environments. What You'll Do Modernize and support store-level POS and fuel control systems Payment Authorization Flow 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 What You Bring 8+ 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) Self-starter mindset with the ability to take ownership of legacy-to-modernization projects Bonus: Experience with NCR platforms (Radiant, R10, StorePoint), Gilbarco, Verifone, or similar systems Tools & Environment Languages: C++, C#, .NET Version Control: GitHub Infrastructure: Docker, Windows-based systems (Optional bonus stack: React, Node.js, AWS — exposure helpful but not required) Why Join Us? This is a unique opportunity to work on the software backbone of retail and fuel operations — where reliability, speed, and modernization have real-world impact. You'll be joining a small, experienced engineering team with full ownership of critical systems used nationwide. If you enjoy solving problems, diving into complex software environments, and bringing older platforms into the future — we'd love to hear from you. Experience: Software Engineer: 8 years (Required) C++: 5 years (Required) C#: 5 years (Required) .NET: 5 years (Required) Version Control: GitHub: 5 years (Required) Infrastructure: Docker, Windows-based systems: 5 years (Required) C-Stores: 3 years (Preferred) Writing Payment Network Authorizers: 3 years (Preferred) Benefits: 401(k) Dental insurance Flexible schedule Health insurance Paid time off Tuition reimbursement Vision insurance