Senior Backend Engineer (.NET) (f/m/d)

Apaleo · München, Bavaria, Germany ·
API backend engineering AI clean API architecture multi-tenant API MCP scalability reliability

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Job Description
<h1>Join Apaleo and Shape the Future of Hospitality Tech!</h1> <p>Apaleo is the world's most open, API-first property management platform powering the next generation of hospitality operations. Its modular, AI-powered infrastructure enables hoteliers to customise their tech stack, automate routine work, and deliver seamless, personalised guest experiences, powered by best-in-class apps and autonomous AI agents that adapt to every stay.</p> <p>We are looking for a <strong>Senior Backend Engineer (f/m/d)</strong> to build the foundation of Apaleo's market-facing API layer, bringing agentic booking into hospitality and enabling the next generation of guest-facing AI experiences.</p> <p>This is a highly autonomous role where you will design and ship the <strong>Storefront API,</strong> a production-grade, scalable interface that allows external systems (like ChatGPT and booking platforms) to interact directly with Apaleo.</p> <p>You'll operate at the intersection of <strong>backend engineering and AI</strong>, starting with clean API architecture and evolving into systems that power intelligent, agent-driven interactions.</p> <h1>What You'll Be Up To</h1> <h3><strong>Build the Storefront API from Scratch</strong></h3> <ul> <li>Design and implement a <strong>production-grade, multi-tenant API / MCP</strong></li> <li>Enable seamless integration with external platforms and AI agents</li> <li>Ensure scalability, reliability, and high performance from day one</li> </ul> <h3><strong>Ow