Senior Backend Engineer- Media Processing

We are looking for a Senior Backend Engineer- Media Processing.
as a Senior Media Processing Backend Engineer, you'll join our core team of four highly skilled backend engineers and a visual QA engineer.
Together, we develop features, maintain existing code, and manage over 300 production cloud servers.
The team is responsible for the core of our main product, which generates over $100M ARR. This includes the video transformation, image transformation, and deep learning engines. These engines process 5 billion requests/mo (~2000 requests/sec). It serves the various applications. The worlds biggest brands are our customers. They rely on us to serve the media for the websites in a variety of modular transformations, high fidelity media, low bandwidth, and low latency.
Responsibilities:
Develop video transformations and streaming using FFMPEG, including HLS and DASH, as well as advanced filters and codecs.
Develop and maintain our main transformation services in Ruby on Rails.
Optimize system workload, time, and cost.
Develop custom transformations using building blocks from the CTO office, open source, or commercial solutions.
Manage parallel live processing of video streams using microservices.
Contribute to the ongoing development of our Deep Learning platform, mainly in Python.
Provide 2nd tier support for our code and participate in team and company-wide on-call rotations.
Address internal customer inquiries and complex questions.
Maintain and update image and video codecs and filters, including open source, commercial, and homegrown codecs. Mainly C++