Backend Software Engineer - Media Engineering

Backend Software Engineer - Media Engineering

Are you prepared to join the X team and help build the ultimate real-time information-sharing app, revolutionizing how people connect? At X, we're on a mission to become a trusted global digital public square, committed to minimal censorship within legal boundaries. Our goal is to empower every user to freely create and share ideas, fostering open public discourse without barriers. Join us in shaping this thrilling journey where your contribution will be invaluable to our success!

Role: Backend Software Engineer - Media Engineering (All Levels)

Location: San Francisco or London (onsite)

Base Salary Range: $127,000 to $297,000

Who We Are:

We’re Media Engineering at X. If it involves a media feature on X – including video uploading, downloading, playback, live streaming, audio-video calling, audio and video Spaces, images – we build it. Our backend services run in AWS and on-prem. They are written in Golang or Scala with core media processing components in C/C++. Our remit includes:

• Services for media ingest, processing, CDN origin, call signaling, webRTC.
• APIs for media features, metadata, lifecycle, metrics.
• User experience across all client surfaces that involve media.
• End-to-end media quality and performance.
• Scaling to handle concurrent audiences of millions.

Who You Are:

We are hiring at all levels, but there are a few candidate archetype basis dimensions. One knows how to build and operate backend services at scale. Another knows media processing in C/C++. A third is deep experience in end-to-end media quality and performance, someone who makes ABR work right, gets the video to start in 200 ms, and gets the live stream to look good from a Cybertruck driving through Baja.

What You’ll Do:

• Collaborate on building and operating services at scale, ensuring seamless performance for concurrent audiences of millions.
• Contribute to media processing pipelines in C/C++, the core components that drive our media services.
• Iteratively improve end-to-end media quality and performance.

Qualifications:

• Proven experience in building and operating services at scale.
• In-depth knowledge and experience with media processing pipelines in C/C++.
• Extensive experience ensuring end-to-end media quality and performance.
• Acronyms you know all about: H.264, H.265, AV1, MP4, CMAF, VMAF, moq, RTP, RTMP, HLS, HDR, DRM.
• Alternative acronyms and tech you know all about: CRUD, Redis, DynamoDb, S3, Route53, GraphQL.

Join our small team and shape the media experiences of billions. If you thrive in a dynamic, high-growth tech environment and relish the opportunity to collaborate with passionate, driven over-achievers, your career with us here at X will be both exhilarating and fulfilling!

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