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Ingénieur(e) Full Stack Senior, HTS Assist// Senior Full Stack Engineer (Realtime & Voice) Customer Experience Platform

Montréal - Remote🌐 Remote💼 Full-time🗓 2026-08-25 → 2026-09-27

Core

Senior Full Stack Engineer leading the voice and real-time layer of Hopper's AI agent travel assistant (HTS Assist), enabling customers to handle flight changes, cancellations, and bookings via chat and voice.

Role type

Senior Full Stack Engineer (Realtime & Voice)

Builds

AI-powered travel assistant agent handling voice and chat interactions for global travel brands

Domain

Travel technology, Real-time systems, Conversational AI

Deliverable

production ML models | product features

Required skills

Full stack engineering, Real-time systems (WebRTC/SIP), Frontend (React/TypeScript), Backend (Scala/Python), Cloud infrastructure (GCP/AWS), RESTful APIs, Microservices, Event-driven systems, AI-assisted coding, Observability, Incident management

Preferred skills

Conversational AI/LLM orchestration, Voice technologies (Deepgram, ElevenLabs, Whisper, OpenAI Realtime), CPaaS (Twilio, Amazon Connect, Genesys, LiveDesk), Customer service automation platforms, Travel industry tech (PSS/GDS, PMS/CRS)

Technologies

React, TypeScript, Scala, Python, GCP, AWS, Twilio, Amazon Connect, Deepgram, ElevenLabs, Whisper, OpenAI Realtime

Responsibilities

Own the voice channel including telephony integrations, CPaaS, real-time speech pipelines, and latency/quality budgets; Develop full-stack features for web chat and backend services; Design multi-tenant architecture; Build security and compliance mechanisms; Maintain deployment health via observability and incident management; Develop platform capabilities for partner integrations; Contribute to technical excellence via code reviews and mentorship

Seniority

Senior, hands-on IC

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