Senior Full Stack Engineer Remote Job at Hopper — Realtime & Voice AI

Olivia Ezeani
International Remote Job

Senior Full Stack
Engineer, Realtime & Voice

Hopper is hiring a senior full stack engineer to own the realtime and voice layer of its agentic AI travel assistant, while building across frontend, backend and cloud infrastructure.

Company Hopper
Position Senior Engineer
Location Canada
Posted August 28
Specialization
Realtime & Voice AI
Experience
6+ Years
Engineering
Full Stack + Cloud
Table of Contents
Overview Day-to-day Ideal candidate Technology Benefits About Hopper More jobs Apply
01 — OVERVIEW

Build the systems
behind voice AI.

Hopper is looking for a Senior Full Stack Engineer to anchor HTS Assist, its agentic AI assistant for travel.

HTS Assist helps resolve travel requests such as flight changes, cancellations, refunds and bookings through chat and voice for some of the world's largest travel brands.

The person hired for this role will own the realtime and voice layer end to end while also contributing across the wider product stack.

The position combines frontend engineering, backend development, realtime systems, AI orchestration, cloud infrastructure, observability and enterprise safety.

At a glance: Hopper is looking for someone with 6+ years of software engineering experience and genuine experience building production systems, particularly realtime or low-latency products.

If you're interested in other AI-focused opportunities, you can also explore this Remote AI Automation Engineer job published on Gabbywall.

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02 — DAY-TO-DAY

What you'll
actually build.

This is a broad-ownership engineering role covering the voice channel, product features, infrastructure and production reliability.

01
Own the voice channel end to end, including telephony and CPaaS integrations such as Twilio and Amazon Connect.
02
Build streaming speech-to-text and text-to-speech pipelines, realtime model orchestration, and systems designed around latency and quality budgets.
03
Build product features across React and TypeScript frontends, Scala and Python backend services, and GCP infrastructure.
04
Design for multi-tenant scale, allowing one codebase to serve multiple partners through configuration instead of separate forks.
05
Build safety and compliance plumbing involving guardrails, content filtering and PII redaction integration points.
06
Keep revenue-critical deployments healthy through observability, alerting, incident response and SLA performance.
07
Build platform capabilities that forward-deployed engineers configure for partner telephony integrations and go-lives.
08
Raise the engineering bar through code review, architecture reviews and mentoring.
03 — IDEAL CANDIDATE

What Hopper
is looking for.

Senior experience

6+ years of software engineering experience, with senior-level ownership of production systems and genuine full-stack range.

Realtime systems

Hands-on experience with voice applications, WebRTC/SIP, streaming media or comparable low-latency products.

Frontend engineering

Strong experience with a modern frontend stack, particularly React and TypeScript.

Backend engineering

Depth with Scala or another JVM language and/or Python.

Cloud

Cloud infrastructure experience with GCP or AWS.

APIs & microservices

Experience designing and maintaining RESTful APIs, microservices or event-driven systems.

AI coding tools

Comfortable using AI coding tools while reviewing, correcting and taking ownership of everything shipped.

Production operations

Familiarity with SLAs, observability, on-call rotations and rollback plans.

Communication

Ability to break down complex problems and communicate across product, design and operations.

Bonus: Conversational AI

Experience with LLM orchestration or speech technologies such as Deepgram, ElevenLabs, Whisper or OpenAI Realtime.

04 — TECHNOLOGY

The stack behind
the position.

The role sits at the intersection of full stack engineering, realtime communications, cloud infrastructure and conversational AI.

React TypeScript Scala Python GCP AWS Twilio Amazon Connect WebRTC SIP Deepgram ElevenLabs Whisper OpenAI Realtime LiveKit Genesys

Bonus experience includes cloud telephony, CPaaS platforms, customer service technology, CRM systems, workflow automation and travel-industry technologies such as PSS/GDS and hotel PMS/CRS.

For developers strengthening their Python foundation, check out Gabbywall's Complete Free Python Tutorial for Beginners .

You may also be interested in the Remote Full Stack Developer — Java & React opportunity.

05 — PERKS & BENEFITS

Benefits and
company perks.

Competitive compensation Hopper describes the role as offering competitive salary and pre-IPO equity opportunities.
Health insurance Hopper covers 100% of premiums for its group insurance plan.
Disability coverage Life, short-term and long-term disability coverage.
HSA HSA support for eligible medical and dental expenses.
Telemedicine Dialogue telemedicine access for employees and dependents.
RRSP RRSP plan with automatic pre-tax withdrawals.
Parental leave Hopper says its parental leave is above industry standards.
Unlimited PTO Unlimited paid time off.
Travel stipend Carrot Cash travel stipend.
Workspace support FlexDesk coworking access and a work-from-home stipend.
Team environment Small, dynamic teams with an entrepreneurial culture.
Leadership access Open communication with management and company leadership.
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06 — ABOUT HOPPER

The company
behind the role.

Hopper describes itself as a global travel platform combining travel booking, fintech products, data and machine learning.

The company operates its consumer travel platform alongside Hopper Technology Solutions, or HTS, its B2B division.

Through HTS, travel providers including airlines, hotels, banks and travel agencies can integrate Hopper's travel inventory and fintech products into their own channels.

Global platform Hopper says its platform serves hundreds of millions of travelers globally.
App downloads Hopper states that its app has been downloaded more than 120 million times.
HTS Hopper says HTS represents more than 75% of the business.
Partners The company identifies partners including Capital One, Air Canada, Uber, CommBank, Nubank and Flair Airlines.
Private capital Hopper states that it has raised more than $750 million USD in private capital.
08 — APPLICATION

Ready to
apply?

If this position matches your experience, review the full vacancy details and submit your application directly to Hopper.

Apply for this position →
Important: Gabbywall publishes job opportunities for informational purposes. Gabbywall is not Hopper, is not the employer or recruiting agency, does not process applications and does not make hiring decisions.

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