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

Hopper · Remote · Montréal - Remote · Québec - Remote ·
Fully remoteFull-timeSenior5+ years
COMPENSATION
€•• – ••k
0 applicants so far

Listed on the employer's job board (Ashby)

  • Senior Full Stack
  • Fully remote
  • React + Scala + Python
  • Voice & Realtime focus
  • Pre-IPO equity

Join the team behind HTS Assist, Hopper's agentic AI assistant for travel. You will own the voice and real-time layers end-to-end while contributing to web interfaces and backend services. The team is small and senior, offering broad ownership and a direct impact on customer experience.

What you'll do

  • Own the voice channel including telephony integrations and speech pipelines
  • Build web chat front ends in React and TypeScript
  • Develop backend services using Scala and Python on GCP
  • Design multi-tenant architecture serving multiple partners via configuration
  • Implement safety guardrails and PII redaction for compliance
  • Maintain system health through observability and incident response
  • Mentor team members and conduct code and architecture reviews

What you'll need

  • 6+ years of software engineering experience with senior ownership
  • Experience with real-time systems like WebRTC, SIP or streaming media
  • Strong skills in React, TypeScript, and backend languages like Scala or Python
  • Proficiency with cloud infrastructure on GCP or AWS
  • Track record in building RESTful APIs and microservices
  • Comfortable using AI coding tools as part of daily workflow
  • Mindset focused on SLAs, observability and on-call rotations

Nice to have

  • Experience with conversational AI or LLM orchestration
  • Familiarity with speech tech like Deepgram, ElevenLabs or Whisper
  • Knowledge of CPaaS platforms such as Twilio or Amazon Connect
  • Background in building customer service or contact center tools
  • Familiarity with travel industry technologies like PSS or GDS

Stack

  • React
  • TypeScript
  • Scala
  • Python
  • GCP
  • AWS
  • Twilio
  • Amazon Connect

How you'll work

  • Fully remote position
  • Access to co-working spaces via FlexDesk
  • Work-from-home stipend provided

What you get

  • Competitive salary and pre-IPO equity packages
  • 100% coverage of group insurance premiums
  • Life and disability insurance coverage
  • Health spending account for medical and dental
  • Access to Dialogue telemedicine services
  • RRSP plan with automatic pre-tax withdrawals
  • Generous parental leave policy
  • Unlimited paid time off
  • Carrot Cash travel stipend