Responsibilities
- Own the realtime voice channel, including telephony and CPaaS integrations, streaming speech-to-text and text-to-speech pipelines, model orchestration, and latency and quality budgets.
- Build product features across React/TypeScript front ends, Scala and Python backend services, and GCP infrastructure.
- Design multi-tenant systems that serve multiple partners through configuration rather than separate code forks.
- Build safety and compliance plumbing, including guardrails, content filtering, and PII redaction integration points.
- Maintain revenue-critical deployments through observability, alerting, incident response, on-call support, rollback planning, and SLA performance.
- Build platform capabilities that forward-deployed engineers configure for partner telephony integrations and go-lives.
- Contribute to code and architecture reviews and mentor other engineers.
Requirements
- 6+ years of software engineering experience with senior-level ownership of production systems and genuine full-stack range.
- Hands-on realtime systems experience in voice applications, WebRTC/SIP, streaming media, or comparable low-latency products.
- Strength with React and TypeScript, backend depth in Scala or another JVM language and/or Python, and cloud infrastructure experience on GCP or AWS.
- Experience designing, building, and maintaining APIs, microservices, or event-driven systems.
- Familiarity with AI coding tools and the judgment to review, correct, and own shipped code.
- An operable-systems mindset covering SLAs, observability, on-call rotations, and rollback plans.
- Ability to decompose complex problems, make pragmatic tradeoffs, ship iteratively, and communicate across product, design, and operations.
- Conversational AI or LLM orchestration experience, including Deepgram, ElevenLabs, Whisper, or OpenAI Realtime, is a bonus.
- Experience with cloud telephony or CPaaS platforms such as Twilio, Amazon Connect, Genesys, or LiveKit is a bonus.
- Experience building customer service, CRM, contact center, or workflow automation tools is a bonus.
- Familiarity with travel technologies such as PSS/GDS or hotel PMS/CRS is a plus.
Benefits
- Remote role, indicated by #LI-Remote.
- Hopper covers 100% of employee premiums for its group insurance plan through Vitality Health.
- Automatic pension contributions through Smart Pension.
- Generous parental leave.
- On-demand coworking access through FlexDesk and a work-from-home stipend.
- Carrot Cash travel stipend.
- Unlimited paid time off.
- Pre-IPO equity packages and a dynamic, entrepreneurial work culture.
Tech Stack
Categories
About Hopper
Hopper is a global travel platform that powers Hopper’s mobile app, as well as partners' direct channels via HTS (Hopper Technology Solutions). Hopper combines a best-in-class travel agency, industry-leading e-commerce, and proprietary financial services to help users travel better — and partners earn more. To do this, the company developed several unique fintech ancillaries that address everything from pricing volatility to avoiding trip disruptions. Through HTS, Hopper’s B2B business, the company supercharges its partners’ direct channels with its full suite of offerings. Hopper sells billions worth of travel and travel fintech every year. The Hopper app has over 120 million downloads, and 70% of users are Gen-Z and Millennials travelers. HTS powers many of the world’s leading brands with travel fintech ancillaries, partner-branded travel portals, and industry-leading e-commerce. Hopper’s proprietary fintech ancillaries include Price Freeze, Cancel for Any Reason, and Premium Disruption Assistance. To find out more about the Hopper app, visit Hopper.com; for more on HTS, visit hts.hopper.com.