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Software Engineer - Python, Automation

United Kingdom, Cambridge · Job Posted March 21, 2026
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Job Description

This is a great role for a Software Engineer, Python / SDET, with a background in developing automated tools and tests on resource constrained hardware platforms. These tools and tests will be used daily to further improve our products and help deliver the highest quality software releases that will be deployed to devices in the field. In this role, you will develop tools that test, monitor, and analyse metrics of millions of players and TV products. Roku is seeking a versatile Software Engineer, to build out fully automated test suites as well as performance monitoring tools. You will build automation that validates both Roku OS system software and the largest, top‑tier streaming applications that run across Roku TVs and Players, and all the required infrastructure surrounding it. This includes extending existing tests and building new ones to reliably measure memory usage, playback performance, conformance to specifications and so on. You will be also responsible for building and maintaining a small multi-platform device farm that can be used by test and firmware engineers to build and run tests. You will work cross-functionally with various engineering teams. The role requires an energetic and self-motivated individual with excellent communication, organisation, and technical skills.

Job Responsibility

  • Develop and maintain an automation framework focused on testing high‑profile streaming applications
  • Actively collaborate with team of firmware and automation engineers to build and release features that are highly testable, functional, and robust
  • Integrate multi-platform and multi-technology heterogeneous test suites
  • Build and maintain a device farm to run and maintain automated tests and capture results
  • Identify automation opportunities proactively and act independently
  • Review feature specifications, write test plans, and develop automated tests
  • Schedule automated tests, monitor and triage test results

Requirements

  • Excellent Python programming skills, with 4+ years relevant technical experience
  • Experience with a variety of automated testing frameworks, with ability to articulate their pros and cons in a particular context
  • Working alongside firmware developers, manual QA testers across different cross-functional teams
  • Proficient in several programming languages and experience developing test plans & test cases
  • Ability to learn new technologies quickly and work independently
  • Bachelors or masters degree in computer science or equivalent engineering experience
  • Experience with browser‑based application testing (e.g., using Selenium)
  • Experience with iOS test automation and Apple platform tooling (e.g., XCTest / XCUITest)
  • Experience with the Appium framework for mobile UI automation

What we offer

  • Global access to mental health and financial wellness support and resources
  • Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension)
  • Vacation and other personal time off

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