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Senior Software Engineer, Test

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Senior Software Engineer, Test in USA

  • Tin Can
  • Full time
  • Email
  • Seattle, WA

Responsibilities

  • Own automated end-to-end and call-path test suites and release-gating checks.
  • Build staging-based automated SIP test calls that verify connection, audio, voicemail, and call records.
  • Continuously verify emergency calling and expand regression coverage for voicemail, contact approval, and missed calls.
  • Automate release processes across mobile, backend, and firmware.
  • Shape CI/CD execution and deployment gates, including which checks run on pull requests and block releases.
  • Develop repeatable firmware release testing, device emulation, and test hooks.
  • Measure test coverage, reliability signals, and defects caught before release.

Requirements

  • 5+ years of software engineering experience with deep production test automation experience.
  • Experience building fast, deterministic, CI-integrated end-to-end test suites that engineers trust.
  • Ability to work across distributed systems, telemetry, and behavior-focused testing.
  • Fluency using AI for diagnosis, analysis, and testing.
  • Strong written and verbal communication skills.
  • Hands-on experience building test harnesses, fixtures, and CI tooling.
  • Collaborative, low-ego working style.
  • VoIP or telephony testing with SIP/RTP, sipp, or synthetic call monitoring is a bonus.
  • Mobile release testing across iOS and Android is a bonus.
  • Hardware-in-the-loop testing for embedded devices is a bonus.

Benefits

  • Mission-driven opportunity to build technology intended to protect childhood and support family communication.
  • Small, high-trust team with meaningful opportunity to influence the product.
  • Room to explore new ideas and challenge assumptions.

Salary: $175k - $195k/yr

Tin Can

Tin Can is a screen-free phone for kids that gives them the independence to call friends and family—without giving them a smartphone. Built like a modern landline, Tin Can connects over Wi-Fi and uses a simple mobile app for parents to control who can call in and out. There’s no browser, no app s...

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