Senior Software Engineer, Test

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Senior Software Engineer, Test in USA new

Tin Can
Full time
Email

USA
09/23/2026
Report

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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