Senior Mobile Backend Developer (Equity only)

🧩 Senior Backend Developer 🌐 C# / .NET Core | Equity-Only | Remote | Part-Time to Full-Time Pathway About Luupli Our social media app's UI prototype has generated tremendous buzz, with experts calling it the "next big thing" in the industry. We're excited to continue the momentum by building a world-class app that delivers on its promise. With all systems fully architected, we're currently in the design phase and looking for experienced senior software developers to join our technical team and help build the app. The Role We’re looking for a Senior Backend Developer to power our infrastructure, from scalable APIs to reliable cloud services. This role is perfect for someone who wants flexibility and future equity growth, and who thrives on building robust systems that scale. What You’ll do Build REST Services using C# and .NET Core. Maintaining and developing server-side network components. Maintaining the optimal performance of our central database and ensuring responsiveness to any front-end requests. Collaborating with front-end application developers on element integration. Writing efficient, reusable, and testable code used in high-performance applications. Work as part of a cross-functional team to determine optimal API contracts, code reviews, internal infrastructure, and process enhancement. Full-stack development capabilities are a plus. What You’ll Bring Strong experience with programming languages like C# / .NET, Python or Java. Experience building services using