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

Hopper · Spain - Remote · Madrid - Remote · Barcelona - Remote

Spotted 47d agoFull-time

Job details

Work mode
Remote
Employment
Full-time
Level
Senior
Experience
6+ years
Posted
Aug 25, 2026
Last confirmed open
Oct 11, 2026

What you'll need to apply

Fields this application requires

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Company-specific questions

  • Do you have hands-on experience building or owning realtime or voice systems (e.g., WebRTC/SIP, streaming speech-to-text/text-to-speech, or other low-latency, real-time applications) in a production environment?
  • Which best reflects your hands-on production experience across technical stacks?
  • Have you personally carried on-call responsibility and owned reliability practices (SLAs, observability, incident response) for a revenue-critical or customer-facing production system?

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