Ingénieur(e) Full Stack Senior, HTS Assist// Senior Full Stack Engineer (Realtime & Voice) Customer Experience Platform
Hopper2 months ago
Remote, CanadaSenior
Responsibilities
- Own the realtime voice channel, including telephony and CPaaS integrations, streaming speech-to-text and text-to-speech pipelines, realtime model orchestration, and latency and quality budgets.
- Develop full-stack product features using React and TypeScript front ends, Scala and Python backend services, and cloud infrastructure.
- Design and maintain multi-tenant architecture with configuration-based partner support.
- Build safety and compliance capabilities including guardrails, content filtering, and PII redaction integration points.
- Maintain revenue-critical deployments through observability, alerting, incident response, SLA performance, on-call support, and rollback planning.
- Build platform capabilities used by forward-deployed engineers for partner telephony integrations and production launches.
- Contribute through code reviews, architecture reviews, technical mentoring, and cross-functional collaboration.
Requirements
- At least 6 years of software engineering experience with senior-level ownership of production systems and broad full-stack capability.
- Hands-on experience with realtime systems such as voice applications, WebRTC/SIP, streaming media, or comparable low-latency products.
- Strong front-end skills with React and TypeScript, backend expertise in Scala or another JVM language and/or Python, and cloud infrastructure experience with GCP or AWS.
- Experience designing, building, and maintaining RESTful APIs, microservices, or event-driven systems.
- Familiarity with AI coding tools and the judgment to review, correct, and own production output.
- Experience with operational systems concerns including SLAs, observability, on-call rotations, and rollback plans.
- Strong problem-solving, pragmatic tradeoff-making, iterative delivery, and communication skills across product, design, and operations.
- Conversational AI or LLM orchestration experience, including Deepgram, ElevenLabs, Whisper, or OpenAI Realtime, is a plus.
- Experience with cloud telephony or CPaaS platforms such as Twilio, Amazon Connect, Genesys, or LiveKit is a plus.
- Experience building customer service, CRM, contact center, or workflow automation tools is a plus.
- Familiarity with travel technologies such as PSS/GDS or hotel PMS/CRS is a plus but not required.
Benefits
- Competitive salary and pre-IPO equity opportunities are offered.
- Hopper covers 100% of group insurance premiums and provides life, short-term disability, and long-term disability coverage.
- An HSA covers eligible medical and dental expenses.
- Employees and dependents receive anytime, anywhere access to Dialogue telemedicine services.
- Employees have access to an RRSP with automatic pre-tax payroll contributions.
- The company offers generous parental leave, unlimited PTO, a Carrot Cash travel stipend, and a work-from-home stipend.
- Employees can access coworking space on demand through FlexDesk.
- The role is remote, as indicated by the #LI-Remote listing.
- The company offers small, dynamic teams, open communication with leadership, and an entrepreneurial culture.
Tech Stack
Categories
About Hopper
Hopper builds a mobile travel marketplace and a B2B platform (Hopper Technology Solutions) that sells flights, hotels, cars, homes, and travel-fintech products like Price Freeze, Cancel for Any Reason, and disruption assistance to consumers and partner brands. The privately held company is headquartered in Montreal and powers partner‑branded portals such as Capital One Travel and works with airlines like Air Canada and platforms like Uber; its app has surpassed 120 million downloads.