Senior Software Engineer, Full Stack

As a Senior Backend Engineer on the App Systems team, you’ll own Fondue’s cashback, discounting, and incentives infrastructure, building scalable distributed systems with AI-first tooling, decoupling monoliths, and shaping high-visibility features for Postscript’s core platform. You’ll design and implement REST APIs, collaborate with finance and support, and drive technical standards to scale revenue-critical services from the US or Canada, fully remote.