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. 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 #J-18808-Ljbffr ResultStack LLC