Senior Software Engineer, Test (Sr. SDET) - Streaming Media

About the role

This is a great role for a Sr. Software Engineer in Test (Sr. SDET), with a strong background in video streaming technologies that takes pride in developing reliable automated tools. These tools will be used on a daily basis to further improve our products and create the highest quality products possible. In this role, you will develop tools that test, monitor, and analyse metrics of millions of players.

Roku is seeking a versatile Sr. Software Engineer, Test to build out a fully automated media player test suite as well as performance monitoring tools. You will be responsible for creating automated media player tests and all the required infrastructure surrounding it. This includes extending a ‘mini-CDN’ setup with programmable network shapers and adaptive content libraries. Your tests will cover VOD and live streams as well as clear and encrypted content with corresponding license servers.

You will work cross-functionally with various engineering teams from embedded systems to web services and our mobile group. The role requires an energetic and self-motivated individual with excellent communication, organisation, and technical skills.

What you’ll be doing

• Develop and maintain an automation framework focused on testing media playback.
• Actively collaborate with team of firmware and automation engineers to build a media player engine that is highly testable, functional and robust.
• Build an in-house test content library with adaptive streams, VOD streams, live streams, streams with captions, as well as encrypted and unencrypted streams.
• Build and maintain a server infrastructure that can stream live video and simulate various network conditions.
• Develop tools to monitor and analyse player performance.
• Review feature specifications, write test plans, and develop automated tests.
• Schedule automated tests, monitor test results, and file Jira tickets.

We’re excited if you have

• Excellent Python programming skills
• Experience with a variety of automated testing frameworks, with ability to articulate their pros and cons in a particular context.
• Proficiency in several programming languages and experience developing test plans & test cases.
• Knowledge of network technologies and libraries such as TCP/IP and HTTP.
• An understanding of media / video concepts like codecs, streaming and media formats, adaptive streaming standards like HLS and Dash.
• Knowledge of DRM technologies like Widevine and PlayReady.
• Ability to learn new technologies quickly and work independently.
• Bachelors or Masters in Computer Science or equivalent engineering experience