Principal, Software Engineer (L5)

Twilio

Remote regions

Ireland

Benefits

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About the Team:

  • Twilio's Super Network team tests and assures global carrier connection quality.
  • We monitor voice and messaging reliability worldwide and build operational tools.

What You'll Do:

  • Design and deliver major components of the carrier test and observability platform.
  • Build data and alerting systems that surface actionable signals.
  • Extend LLM systems for automated troubleshooting with safe guardrails.

Who You Are:

  • 12+ years of software engineering at scale, including staff or principal level.
  • Deep expertise in distributed systems, event streaming, and cloud infrastructure.
  • Strong communication and influence through design review.

Twilio

Twilio is a customer engagement platform that delivers innovative communications solutions to hundreds of thousands of businesses and empowers millions of developers worldwide. The company is remote-first, values connection and global inclusion, and has a vibrant culture where diverse employees make a global impact.

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