Senior Full-Stack Engineer - Real-Time Voice & Telephony

Hopper is seeking a senior full stack engineer to anchor HTS, owning the realtime and voice layer end to end. You will build across React/TypeScript front ends, Scala and Python services, and cloud infrastructure on GCP/AWS. The role emphasizes multi-tenant design, safety, and high-availability in a fast-growing travel fintech platform.

You'll work with CPaaS like Twilio, live speech pipelines, and a culture of owning production systems, code reviews, and mentoring a lean, senior team.