Hopper seeks a Senior Full Stack Engineer to own the voice channel end-to-end (telephony/CPaaS, streaming speech-to-text and text-to-speech, realtime model orchestration) and build features across React/TypeScript frontends, Scala and Python backend services, and cloud infrastructure. The role emphasizes low-latency realtime systems, multi-tenant design, observability and SLA-driven operations, and integrations with telephony and contact-center platforms.

Contract role based in/for Ireland. The senior engineer will own the voice channel end-to-end (telephony/CPaaS, streaming STT/TTS, realtime model orchestration), build product features across React/TypeScript frontends and Scala/Python services, design for multi-tenant scale, implement safety/compliance (guardrails, PII redaction), and maintain revenue-critical deployments via observability, alerting, and incident response. Requires ~6+ years' software engineering experience and experience with realtime/voice systems and cloud infrastructure.

Role owns voice channel end-to-end (telephony/CPaaS, streaming speech-to-text/text-to-speech, realtime model orchestration) and builds full-stack product features across React/TypeScript front ends, Scala and Python services, and cloud infrastructure (GCP/AWS). Requires ~6+ years experience, realtime/voice systems familiarity, backend and frontend depth, and operational responsibilities (observability, SLAs, on-call).

Role owns the voice channel end-to-end (telephony/CPaaS integrations, streaming STT/TTS, realtime model orchestration) and builds features across the stack. Requires 6+ years software engineering experience, hands-on realtime/voice systems, modern frontend (React/TypeScript), backend (Scala/JVM and/or Python), cloud infra (GCP/AWS), API/microservices experience, and an operable-systems mindset (observability, SLAs, on-call).

Hiring a senior full stack engineer to own the realtime and voice channel end-to-end for HTS Assist, building React/TypeScript front ends, Scala and Python backend services, and cloud infrastructure (GCP/AWS). Responsibilities include telephony/CPaaS integrations, streaming speech-to-text/text-to-speech pipelines, realtime model orchestration, observability and SLA performance, multi-tenant design, and security/compliance plumbing.

Role owns the voice channel end-to-end (telephony/CPaaS integrations, streaming STT/TTS, realtime model orchestration) and builds product features across stack (React/TypeScript frontends, Scala/Python services, GCP/AWS infra). Requires ~6+ years engineering experience, realtime/voice or low-latency systems experience, backend and frontend depth, and operational experience with observability, SLAs, and incident response.

Role requires end-to-end ownership of voice and realtime systems (telephony/CPaaS integrations, speech-to-text/TTS pipelines, realtime model orchestration), building front-end features in React/TypeScript, backend services in Scala and Python, and operating infrastructure on cloud (GCP/AWS). Emphasis on multi-tenant design, observability, SLAs, incident response, and mentoring.