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# Full-Stack & Real-Time Voice Engineer

- **Company:** Hopper
- **Location:** Madrid, Spain
- **Salary:** €120,000.0 - €170,000.0
- **Contract:** Permanent contract
- **Skills:** Cloud Computing, Python (Programming Language), TypeScript, ReactJS, Low Latency, Restful APIs
- **Published:** August 30, 2026
- **Apply:** https://www.jobleads.com/es/job/ee1872abd9448835978490b99811aca01

## About the Role

The ideal candidate has 6+ years of experience and a track record with realtime/low-latency systems, RESTful APIs, and multi-tenant architectures. You will contribute to safety, observability, and partner integrations, while mentoring others in a fast

## Description

Hopper is seeking a senior full stack engineer to anchor HTS Assist, our agentic AI assistant for travel. You will own the realtime and voice layer end to end, building React/TypeScript front ends, Scala/Python services, and cloud infrastructure.


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