Senior Engineer

Job Title - Senior Engineer 
Location - San Diego, CA
Duration - 3 Months

JOB DESCRIPTION 

  1. Vulkan Graphics Programming

      - Strong experience with Vulkan render pipelines, compute shaders, synchronization, descriptor sets, memory

        barriers, and GPU-driven rendering.

  2. Modern C Performance Engineering

      - Expert-level C for real-time systems, memory management, multithreading, SIMD-friendly data layouts, and low-

        latency rendering code.

  3. Mobile GPU Optimization

      - Deep understanding of mobile GPU architectures, especially tile-based rendering, bandwidth limits, cache

        behavior, thermal constraints, and power/performance tradeoffs.

  4. GPU Compute and Shader Optimization

      - Ability to optimize GLSL/SPIR-V compute and graphics shaders, including sorting, culling, binning, blending,

        prefix sums, compaction, and parallel data processing.

  5. Graphics Performance Profiling and Debugging

      - Experience identifying GPU bottlenecks using profiling tools, analyzing frame timing, shader occupancy, memory

        bandwidth, overdraw, synchronization stalls, and CPU/GPU overlap.

Required Education:

Bachelor's degree in Applied Mathematics, Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or related field and 2 years of Software Engineering, Hardware Engineering, Systems Engineering, Electrical Engineering, Game Rendering, or related work experience.

Principal Duties and Responsibilities:

•    Applies Graphics knowledge and experience to architect, design, implement, and verify the structure and performance of GPU hardware, drivers, features, applications, and tools.

•    Writes code for features, drivers, and APIs using different languages (e.g., C, C , perl, python) and ensures code will perform effectively on different platforms.

•    Maintains comprehensive pre- and post-silicon tests using tools and methods in different environments (e.g., simulation, emulation, on-device) to verify performance and identify issues.

•    Identifies deficiencies in designs and works with team members to develop solutions to improve designs.

•    Collaborates with teams and external stakeholders to expose new features and functionality that align with needs and goals for implementation and customization.

•    Writes detailed design documentation and feature descriptions for projects to guide developers and/or customers to use or implement software.

Level of Responsibility:

•    Works under supervision.
•    Decision-making may affect work beyond immediate work group.
•    Requires verbal and written communication skills to convey information. May require basic negotiation, influence, tact, etc. 
•    Has a moderate amount of influence over key organizational decisions.
•    Tasks require multiple steps which can be performed in various orders; some planning, problem-solving, and prioritization must occur to complete the tasks effectively.

Job Overview 

We are seeking a contractor Graphics Software Engineer to support development of real-time Gaussian Splatting–based rendering systems for avatar and XR applications running on-device (edge devices such as Android phones and AR glasses). 

This role focuses on GPU optimization, memory-efficient data pipelines, and real-time Gaussian Splatting rendering under mobile constraints. The ideal candidate will be highly hands-on and able to quickly improve performance-critical systems deployed directly on hardware. 

Key Responsibilities 

1. Gaussian Splatting Rendering 

• Develop and optimize Dynamic Gaussian Splatting (3DGS) rendering pipelines  

• Improve performance of splat-based rendering, including sorting, data layout, and shader efficiency 

• Analyze and resolve issues such as:  

• Splat flickering and popping 

• Sorting inconsistencies 

• Precision differences between CPU and GPU 

2. On-Device GPU Optimization (Android / Edge Devices) 

• Optimize Gaussian Splatting pipelines for mobile GPUs (e.g., Adreno) on Android 

• Ensure efficient execution under limited memory, bandwidth, and power constraints 

• Tune rendering for real-time performance on phones and AR glasses 

3. Data Pipeline & Memory Efficiency 

• Design compact data representations for Gaussian Splatting frame data 

• Optimize CPU → GPU data transfers for real-time rendering 

• Eliminate intermediate processing and reduce runtime memory overhead 

4. Shader Development & Rendering Pipeline Integration 

• Implement GPU shaders tailored to Gaussian Splatting data formats 

• Optimize shader input pathways for efficient on-device execution 

• Integrate rendering pipelines with motion, lighting systems. 

5. Debugging & System Validation 

• Debug complex rendering issues in Gaussian Splatting pipelines 

• Investigate numerical precision issues and GPU/CPU inconsistencies 

• Validate rendering output against reference pipelines 

6. Collaboration & Execution 

• Collaborate closely with XR, vision, and avatar teams 

• Contribute to on-device demos and prototype systems (phones / AR glasses) 

• Execute quickly on well-defined tasks with strong ownership of implementation 

Required Qualifications 

• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related field 

• Strong programming skills in C/C  

• Experience with Android platform development 

• Experience with GPU programming (OpenGL ES, Vulkan, or similar) 

• Solid understanding of:  

• Real-time rendering pipelines 

• GPU memory management 

• Performance optimization on embedded systems 

Preferred Qualifications 

• Direct experience with Gaussian Splatting / Relighting / Simulation 

• Experience building graphics systems on mobile or XR devices 

• Familiarity with Adreno GPU architecture 

• Experience optimizing for real-time constraints (latency, bandwidth, power) 

• Experience debugging rendering artifacts in GPU pipelines