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Senior Full Stack Engineer (Realtime & Voice) Customer Experience Platform

Spain - Remote🌐 Remote💼 Full-time🗓 2026-08-25 → 2026-09-26

Core

Anchor Hopper's agentic AI assistant (HTS Assist) for travel, owning the realtime and voice layer end-to-end to resolve flight changes, cancellations, and bookings via chat and voice.

Role type

Senior Full Stack Engineer (Realtime & Voice)

Builds

A multi-tenant customer experience platform serving major travel brands with voice and chat interfaces.

Domain

Travel technology, conversational AI, and cloud infrastructure.

Deliverable

production ML models | product features | infrastructure

Required skills

Realtime systems (WebRTC/SIP/streaming media), Full-stack development (React/TypeScript, Scala/Python), Cloud infrastructure (GCP/AWS), RESTful APIs, Microservices, Event-driven systems, AI coding tools, Observability, Incident response.

Preferred skills

Conversational AI/LLM orchestration, Speech technologies (Deepgram, ElevenLabs, Whisper, OpenAI Realtime), Cloud telephony/CPaaS (Twilio, Amazon Connect, Genesys, LiveKit), Customer service/CRM/Contact center tools, Travel industry tech (PSS/GDS, PMS/CRS).

Responsibilities

Own the voice channel end-to-end including telephony integrations and speech-to-text/text-to-speech pipelines; Build web chat front ends and backend services; Design for multi-tenant scale; Build safety and compliance plumbing; Maintain revenue-critical deployments; Build platform capabilities for partner integrations; Conduct code and architecture reviews.

Seniority

Senior, hands-on IC with mentorship responsibilities.

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