OverviewFull-time contract with flexible hours. Fully remote (with recurring meeting / retreats in northern Italy). We are a fast-growing, innovative startup looking for a Backend Developer (all levels) to join our team and help us build AI agents. Your mission: maintain / expand our server infrastructure and create integrations that make our AI agent accessible as a voice assistant, and through email and WhatsApp.ResponsibilitiesDesign, develop, and maintain backend services and APIsBuild integrations to connect the AI agent with external communication channelsVoice: integrate telephony via technologies such as LiveKit (calls, speech input / output)Messaging: integrate with WhatsApp and email systemsImplement and optimize real-time communication flows using WebSocketsEnsure scalability, reliability, and security of backend servicesCollaborate with frontend and AI engineering teams to deliver seamless multi-channel experiencesCore Tech StackNode.jsHono (or similar frameworks like Express.js)WebSocketsTypeScriptPostgres / Supabase (schema design, query optimization, migrations)REST APIsIntegration SkillsTwilio / LiveKit (voice, SMS, call routing, WhatsApp)Email integration (like SMTP)Experience designing robust webhook flows and handling external APIsBonus SkillsExperience or strong interest in AI / Context Engineering (OpenAI APIs, RAG systems)Docker, CI / CD pipelines, cloud servicesEvent-driven architectures (RabbitMQ, etc.)Soft SkillsFlexible mentality and adaptable in a startup environmentStrong problem-solving and debugging skillsSelf-discipline for remote work, with openness to in-person meetupsLocationMust be able to attend periodic (every 6–8 weeks) in-person meetings in northern ItalyWhat We OfferSpace for fast professional growthFlexible and modern remote work environmentHands-on experience with cutting-edge technologiesHigh-impact role: your work directly shapes our productYoung, friendly, and motivated teamHow to ApplyReady to transform hospitality tech with us? Send us your CV!
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