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

Hopper
Ontario, Toronto, Vancouver, Alberta
Workplace: RemoteFull timeCAD 200,000 - 250,000 annuallyFunction: Customer Success & Account ManagementSkills: ["Ownership","Communication","Mentoring","Architecture review","Problem-solving"]

Own the realtime and voice layer for Hopper’s agentic AI travel assistant, end to end. Build and evolve telephony/CPaaS integrations, streaming speech-to-text and text-to-speech pipelines, realtime model orchestration, and latency/quality budgets. Ship full-stack product features with React/TypeScript, Scala/Python backend services, and GCP infrastructure. Design multi-tenant scalability, implement safety/compliance guardrails, and maintain observability and incident readiness.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Hopper
Hopper
4 days ago

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

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 11 hours agoStatus: Live

Job Summary

Own the realtime and voice layer for Hopper’s agentic AI travel assistant, end to end. Build and evolve telephony/CPaaS integrations, streaming speech-to-text and text-to-speech pipelines, realtime model orchestration, and latency/quality budgets. Ship full-stack product features with React/TypeScript, Scala/Python backend services, and GCP infrastructure. Design multi-tenant scalability, implement safety/compliance guardrails, and maintain observability and incident readiness.
Location: Ontario, Toronto, Vancouver, Alberta
Workplace: Remote
Employment Type: Full time
Job Function: Customer Success & Account Management
Seniority: Mid level

Key Responsibilities

  • •Own the voice channel end to end, including telephony and CPaaS integrations, speech-to-text/text-to-speech pipelines, realtime model orchestration, and latency/quality budgets.
  • •Build full-stack product features across web chat front ends (React/TypeScript), backend services (Scala and Python), and infrastructure on GCP.
  • •Design for multi-tenant scale using a single codebase serving many partners through configuration.
  • •Implement safety and compliance plumbing, including guardrails, content filtering, and PII redaction integration points.
  • •Ensure revenue-critical deployments stay healthy via observability, alerting, incident response, and SLA performance; mentor through code and architecture reviews.

Pay and Benefits

Salary: CAD 200,000 - 250,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceLife InsuranceLong-term DisabilityPaid LeaveParental Leave

Key Requirements

  • •6+ years of software engineering experience with senior-level ownership of production systems and a true full-stack range.
  • •Hands-on realtime systems experience, including voice applications and low-latency technologies such as WebRTC/SIP or streaming media.
  • •Strong modern frontend skills (React, TypeScript) plus backend depth (Scala/JVM and/or Python) and cloud infrastructure experience on GCP or AWS.
  • •Track record designing and maintaining RESTful APIs, microservices, or event-driven systems.
  • •Operable-systems mindset covering SLAs, observability, on-call rotations, and rollback plans.
Experience:TravelFintechAgentic AICustomer supportContact center
Skills:OwnershipCommunicationMentoringArchitecture reviewProblem-solving
Tech Stack:ReactTypeScriptScalaPythonGCPAWSTwilioAmazon ConnectWebRTCSIPRESTful APIsMicroservicesEvent-driven systemsCPaaSStreaming speech-to-textText-to-speechWebRTC/SIPDeepgramElevenLabsWhisper

Company Brief

Hopper
Hopper is a mobile-first travel marketplace and travel-tech provider (HTS) that uses machine learning and fintech ancillaries (Price Freeze, disruption protection) to power consumer bookings and white-label partner travel portals globally.
Industry: TravelTech
Company Size: Large (251 to 1,000 employees)
Revenue: USD 500M to 1B
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: Montreal, Canada
Founded: 2007
Glassdoor
Glassdoor: 3.2
WebsiteLinkedInGlassdoor