Senior Full Stack Engineer (Realtime & Voice) Customer Experience Platform

Hopper seeks a senior full-stack engineer to lead the development of its agentic AI travel assistant, focusing on the realtime and voice layers. The role involves building React and TypeScript front ends alongside Scala and Python backend services on GCP. Candidates must manage telephony integrations, streaming speech pipelines, and multi-tenant scalability. The position requires six years of experience, strong full-stack skills, and familiarity with AI coding tools. Benefits include private medical and dental coverage, unlimited PTO, and pre-IPO equity packages.

Key details

• Location: Remote positions available in Madrid and Barcelona, Spain.
• Employment Type: Full-time.
• Core Responsibilities: End-to-end ownership of voice channels, including telephony integrations and streaming speech pipelines.
• Technical Stack: React, TypeScript, Scala, Python, and GCP infrastructure.
• Experience Requirement: Minimum six years of software engineering with senior-level production system ownership.