Jr/Mid Back End Engineer

Overview Full-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. Responsibilities Design, develop, and maintain backend services and APIs Build integrations to connect the AI agent with external communication channels Voice : integrate telephony via technologies such as LiveKit (calls, speech input / output) Messaging : integrate with WhatsApp and email systems Implement and optimize real-time communication flows using WebSockets Ensure scalability, reliability, and security of backend services Collaborate with frontend and AI engineering teams to deliver seamless multi-channel experiences Core Tech Stack Node.Js Hono (or similar frameworks like Express.Js) WebSockets TypeScript Postgres / Supabase (schema design, query optimization, migrations) REST APIs Integration Skills (not mandatory;) Twilio / LiveKit (voice, SMS, call routing, WhatsApp) Email integration (like SMTP) Experience designing robust webhook flows and handling external APIs You can learn on the job Bonus Skills Experience or strong interest in AI / Context Engineering (OpenAI APIs, RAG systems) Docker, CI / CD pipelines, cloud services Event-driven architectures (RabbitMQ, etc.) Soft Skills Flexible mentality and adaptable in a startup environment Strong problem-solving and debugging skills Passion for what you do Self-discipline for remote work, with openness to in-person meetups Location Must be able to attend periodic (every 6–8 weeks) in-person meetings in northern Italy What We Offer Space for fast professional growth Flexible and modern remote work environment Hands-on experience with cutting-edge technologies High-impact role : your work directly shapes our product Young, friendly, and motivated team Ready to transform hospitality tech with us? Send us your CV! J-18808-Ljbffr

Location: Sicilia, IT

Posted Date: 10/13/2025