Senior Software Engineer developing backend APIs using Go, PHP, or Java for Mercari's C2C marketplace. Collaborating with PMs and ensuring service quality through analysis and architecture design.
About the role
- Senior Software Engineer building and evolving Spotify’s C++ integration layer for audio and video playback on TV devices. Collaborating within teams to ensure high-quality playback experiences for users.
Responsibilities
- Design, build, and evolve the C++ integration layer that powers Spotify’s audio and video playback on TV devices running our new Rust runtime
- Integrate Spotify’s playback experience with platform-native media frameworks such as AVPlayer, ExoPlayer, or equivalent TV player stacks
- Own critical playback areas including buffering strategies, playback state handling, A/V synchronization, adaptive bitrate configuration, track selection, and rendering paths
- Debug complex performance and reliability issues across multiple layers — from application logic to OS-level frameworks and hardware acceleration
- Partner closely with Playback platform teams and device teams to ensure shared APIs and designs translate cleanly into real-world TV implementations
- Improve test coverage, tooling, and observability to detect regressions and speed up iteration cycles
- Contribute to thoughtful technical design discussions and raise the bar for playback quality through code reviews and knowledge sharing
Requirements
- You have strong of experience building low-level systems in C++, ideally within video, media, or playback domains
- You have hands-on experience integrating native playback frameworks such as AVPlayer, ExoPlayer, vendor SDKs, or similar media stacks
- You have a deep understanding of video playback fundamentals including codecs, streaming formats, adaptive bitrate (ABR), buffering behavior, and A/V synchronization trade-offs
- You are comfortable working close to the OS and media framework layer and diagnosing issues that span multiple system boundaries
- You have experience contributing to the design and evolution of scalable technical systems across platforms
- You are confident debugging performance and reliability issues using logs, traces, profilers, and system diagnostics tools
- You collaborate effectively across teams and communicate technical trade-offs clearly
- You care deeply about delivering reliable, high-quality playback experiences for millions of users.
Benefits
- We offer you the flexibility to work where you work best. While some in-person collaboration is expected, you’ll also have the option to work from home.
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