The Video Technology Group develops industry-leading online and mobile video delivery systems and IP for CBS.com, CBSSports.com, CBS News, CNET, GameSpot.com, and the entire suite of CBS Interactive sites. Our team is responsible for the delivery of premium content to millions of people every day. We set company-wide video standards and help internal business units integrate the video delivery stack into their specific online products. Additionally, the team serves as the company’s information resource on current and future trends in digital video. This is a great opportunity for someone who is interested in doing high-visibility, mission-critical work.

The Video Delivery, Experience & Optimization team works within the Central Video Technology Group is focused on using a data-driven approach to understanding, improving and monitoring the end-user video experience. The group will work across the video ecosystem/stack to allow data to drive decisions and actions made in Video Ingesting & Processing, Players, Content Delivery Networks (CDNs), and many other areas. Exposing these valuable insights to all businesses at CBSi will allow them to provide the best experiences for their users and assist in maximizing user engagement and revenues.

Role Details:

We are looking for a Principal Video Software Engineer who is passionate about large scale video ecosystems and cares about code quality, uptime, performance, continuous deployment, design principles, and test-driven development. You’ll be an integral part of the Video Delivery, Experience & Optimization team, working with engineers to build and release products and support the business with optimizing for the best video quality, and optimal user experience. You will be contributing to the design and implementation of components that will enable the next generation of video experience at CBS Interactive.

Your Day-to-Day:

-Work with Video Quality of Experience and other data sources to set a baseline for existing Video Quality and Experience across the company.

-Develop plans for optimizing and modifying components of the video workflow to improve performance/experience. This could include Video Encoding Settings, Player ABR Optimizations, CDN/Delivery Tuning, Advertising Optimizations, etc…

-Assist on building out cloud-based microservices to support video processing workflows

-Maintain up to date and personalized encoding profiles for different content types

-Advocate, implement and integrate cutting edge technologies for video quality such as Per-title/Per-scene Encoding and the use of next-generation codecs and formats

-Encourage an engineering culture that promotes test-driven development and code coverage

-Architect, design, develop, test, maintain and improve software systems

-Collaborate with other engineers and members of the Central Video Technology Group to determine priorities and best practices, and refine functional requirements

Key Projects:

-Ensure a robust and reliable pipeline is in-place for collecting and analyzing Video QoE data, CDN/Origin logs, and other data sources

-Define critical KPIs around Video Quality and Experience, and work with teams across the business to align these with business goals/values

-Design, implement and measure A/B tests to quantify the impact of changes across the video workflow

-Work with engineers across the company to optimize Video Experience in the context of large production websites and applications

-Assist with building our live streaming platform for the creation of cloud-based infrastructure for live events

-Assist in designing and building our next generation cloud-based on-demand encoding platform

-Work in designing and building our on-the-fly packaging solution with dynamic bitrate ladders, thumbnails, and live-to-VoD services

Experience / Skills


QUALIFICATIONS:

What you bring to the team:

You have -

-5 years proven experience as a Software Engineer in Live and VoD video environments

-OTT and mobile video streaming experience

-Proven experience working with client-side video developers to optimize video playback

-Deep understanding of video protocols such as RTP, RTMP, HLS, DASH, HDS, Smooth Streaming;

-Experience with H.264/AVC, H.265/HEVC, VP9 and AAC audio and codecs

-Experience with Digital Rights Management Systems (DRM), including Playready, Widevine & FairPlay

-Experience working with Video Quality of Experience tools such as Conviva, Mux or Youbora

-Experience performing load/stress tests on video infrastructure

-Demonstrated knowledge of cloud environments and CDN delivery

-Knowledge of network routing protocols for IP, Source Specific Multi-casting, and UDP.

-Experience working with Cloud/SaaS services such as Amazon AWS, Google Cloud

-Experience with technical writing and design documentation

-Strong communication and teamwork

You might also have -

-Knowledge of the color space, bit depth, and HDR systems

-Experience with VR video delivery

-Experience with development of Chromecast applications

-Previous experience with video processing services such as AWS Elemental MediaConvert/MediaLive, BitMovin, Zencoder, Encoding.com

-Experience with benchmarking and profiling

-Experience with log aggregation systems such as Splunk, SumoLogic, ELK

-Knowledge of Content Delivery Networks and experience with tuning/optimization

-Experience with Big Data pipelines/tools including Google BigQuery or AWS RedShift

-Fluency in modern systems programming languages such as Go and/or Rust

-Experience with open-source multimedia projects, such as FFmpeg

-Patches or code publicly available

-Open Source development experience