JR/MID Back End Engineer Opportunity

Ai Kosmo - Your Hotel Digital Concierge company

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JR/MID Back End Engineer in ITALY

Remote 17 hours ago

🤝 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; you can learn on the job)

  • Twilio/LiveKit (voice, SMS, call routing, WhatsApp)
  • Email integration (like SMTP)
  • Experience designing robust webhook flows and handling external APIs

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!


Apply now

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