Software Development Engineer in Test, Mobile App

Zoox

Software Development Engineer in Test on the Product Software Quality Assurance team at Zoox. Building scalable integration automation frameworks for mobile applications used by customer fleet.

Posted 4/13/2026full-timeFoster City • California • 🇺🇸 United StatesMid-LevelSenior💰 $150,000 - $186,000 per yearWebsite

Tech Stack

Tools & technologies

CloudKotlinPython

About the role

Key responsibilities & impact

Design, implement, and maintain scalable functional and test frameworks used across Zoox for integration and subsystem testing
Collaborate closely with QA, SDETs, and software engineers on cross-team initiatives to maintain and continuously improve Zoox’s end-to-end validation workflows
Lead feature-level testing by defining test strategy and plans, executing manual testing, and driving the transition to robust automation within Zoox’s integrated tooling ecosystem
Support and partner with users of our frameworks and tools, continuously refining them to improve reliability, usability, and overall engineering efficiency
Implement AI tools to make testing faster and more efficient.

Requirements

What you’ll need

Bachelor's or Master's degree in computer science, engineering, mathematics, or a related field
4+ years of experience as a Software Development Engineer in Test with proven skills in writing automation frameworks for cloud applications from scratch.
Strong proficiency with Python, Kotlin, and tools like Git, Buildkite
Experience building functional and performance automated tests for backend cloud applications.
A self-starter who is capable of defining and implementing new tools and processes from start to finish
Experience in Mobile App testing and automation (Bonus)
Experience in implementing AI tools in the testing domain (Bonus)

Benefits

Comp & perks

Health insurance
Long-term care insurance
Long-term and short-term disability insurance
Life insurance
Paid time off (e.g. sick leave, vacation, bereavement)
Unpaid time off
Zoox Stock Appreciation Rights
Amazon Restricted Stock Units (RSUs)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

automation frameworkscloud applicationsmanual testingfunctional testingperformance testingPythonKotlinAI toolstest strategytest plans

Soft Skills

collaborationleadershipself-starterproblem-solvingcommunication

Certifications

Bachelor's degreeMaster's degree