Jr/Mid Back End Engineer

Ai Kosmo - Your Hotel Digital Concierge; Montà; Remoto; EUR 35.000 - 55.000; Tempo pieno

Descrizione del lavoro

A rapidly growing startup is seeking a Backend Developer to maintain and expand the server infrastructure and create integrations for AI-assisted communication through various channels. This full-time position offers a flexible remote work environment, with periodic in-person meetings in northern Italy. Ideal candidates will have experience in backend development, particularly with Node.js and WebSockets, and a passion for cutting-edge technology.

Servizi

Space for fast professional growth

Flexible and modern remote work environment

Hands-on experience with cutting-edge technologies

Competenze

• Experience with backend development and API design.
• Familiarity with database schema design and query optimization.
• Ability to maintain and expand server infrastructure.

Mansioni

• Design, develop, and maintain backend services and APIs.
• Build integrations for the AI agent with external communication channels.
• Collaborate with teams for seamless multi-channel experiences.

Conoscenze

Node.js

WebSockets

TypeScript

REST APIs

Postgres

Strumenti

Docker

Twilio

Descrizione del lavoro

Job Overview

Full-time contract with flexible hours

Fully remote (with recurring meetings / 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, 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!