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Senior SDK Engineer

Engineering Barcelona · Hybrid Full-time

About the role

You will own the HoloMIT SDK for Unity — the primary interface developers use to integrate real-time volumetric humans into XR applications. This means everything from low-level codec and texture pipeline integration to the developer-facing APIs, documentation and tooling that make volumetric streaming accessible to Unity developers worldwide.

You will work closely with the streaming and hardware teams, translating complex real-time systems into clean, well-documented interfaces. Your work will be used in live events, enterprise installations and XR experiences across 7+ countries.

Responsibilities

  • Design, implement and maintain the HoloMIT Unity SDK public API surface
  • Integrate video codec and decompression pipelines into Unity's rendering pipeline (URP/HDRP)
  • Build developer-facing tooling for local preview, debugging and performance profiling
  • Write comprehensive documentation, code samples and integration guides
  • Collaborate with the streaming team to expose network transport controls at the SDK level
  • Manage SDK versioning, changelog discipline and backwards compatibility
  • Review pull requests and define SDK architecture direction

Requirements

  • 4+ years of professional C# and Unity development
  • Deep understanding of Unity's rendering pipeline (URP and/or HDRP)
  • Experience designing and maintaining a public SDK, package or library
  • Strong grasp of video decoding, texture streaming and GPU upload patterns
  • Familiarity with network transport concepts — buffers, latency, jitter, adaptive bitrate
  • Excellent written communication: you care about documentation as much as code

Nice to have

  • Prior work with volumetric video formats (V-Nova, MPEG-V, or similar)
  • Experience with WebRTC or other low-latency streaming protocols
  • Familiarity with RGBD sensors (Intel RealSense, Azure Kinect, Orbbec, etc.)
  • Contributions to open-source Unity packages or Asset Store tools
  • Background in XR development (Meta Quest, HoloLens, AVP or similar)
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