Senior Backend Engineer – Payments & Integrations
Summary
Senior backend developer designing, building, and maintaining scalable C#/.NET systems in production for thousands of customers, with a payments and integrations focus. Core technologies are C#, .NET, APIs, and Azure, including collaboration with product/support teams and modernizing legacy components.
Crossware Auckland is seeking a Senior Backend Developer to design, build, and maintain scalable backend systems used in real-world production environments. You will work on systems serving thousands of customers, focusing on performance, reliability, and maintainability.
Requires 3+ years of relevant experience with C# and .NET, APIs, and cloud platforms (Azure). The role emphasizes collaboration with product and support teams and ongoing modernization of legacy components.