Engineer, Senior - Job ID: 8425

JOB DESCRIPTION

Top 5 Required Skills (These are not preferred skills. If the candidate does not have these required skills, they will be rejected completely)

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.

Technologies: What does this temp must know to perform the required job duties (These are not preferred technologies - If they do not have these technologies they will be rejected completely)

Required Technologies

- Vulkan

- C++17/C++20

- Android NDK

- GLSL or HLSL

- SPIR-V

- Qualcomm Adreno GPU architecture

- Snapdragon mobile platforms

- Qualcomm Snapdragon Profiler

- RenderDoc

- Android Studio / Android build tools

- CMake

- GPU compute shader math

- Real-time rendering pipelines

Required Education:

Required Years of Experience

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.

Key Words:

Job Description:

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.

Comments for Suppliers:

· How many rounds of interviews should be expected?

2 rounds: one interview with hiring manager and one formal interview follow up

· Work Location:

100% Onsite San Diego

-100% Onsite

· Shift: Hour/Days of Work

Standard 40 hours /week

Job Title: Contractor – Graphics Software Engineer (Dynamic Gaussian Splatting, On-Device XR, Android)

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

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• Develop and optimize Dynamic Gaussian Splatting (3DGS) rendering pipelines
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• Improve performance of splat-based rendering, including sorting, data layout, and shader efficiency
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• Analyze and resolve issues such as:
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• Splat flickering and popping
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• Sorting inconsistencies
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• Precision differences between CPU and GPU
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2. On-Device GPU Optimization (Android / Edge Devices)

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• Optimize Gaussian Splatting pipelines for mobile GPUs (e.g., Adreno) on Android
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• Ensure efficient execution under limited memory, bandwidth, and power constraints
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• Tune rendering for real-time performance on phones and AR glasses
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3. Data Pipeline & Memory Efficiency

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• Design compact data representations for Gaussian Splatting frame data
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• Optimize CPU → GPU data transfers for real-time rendering
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• Eliminate intermediate processing and reduce runtime memory overhead
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4. Shader Development & Rendering Pipeline Integration

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• Implement GPU shaders tailored to Gaussian Splatting data formats
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• Optimize shader input pathways for efficient on-device execution
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• Integrate rendering pipelines with motion, lighting systems.
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5. Debugging & System Validation

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• Debug complex rendering issues in Gaussian Splatting pipelines
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• Investigate numerical precision issues and GPU/CPU inconsistencies
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• Validate rendering output against reference pipelines
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6. Collaboration & Execution

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• Collaborate closely with XR, vision, and avatar teams
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• Contribute to on-device demos and prototype systems (phones / AR glasses)
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• Execute quickly on well-defined tasks with strong ownership of implementation
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Required Qualifications

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• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related field
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• Strong programming skills in C/C++
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• Experience with Android platform development
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• Experience with GPU programming (OpenGL ES, Vulkan, or similar)
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• Solid understanding of:
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• Real-time rendering pipelines
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• GPU memory management
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• Performance optimization on embedded systems
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Preferred Qualifications

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• Direct experience with Gaussian Splatting / Relighting / Simulation
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• Experience building graphics systems on mobile or XR devices
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• Familiarity with Adreno GPU architecture
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• Experience optimizing for real-time constraints (latency, bandwidth, power)
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• Experience debugging rendering artifacts in GPU pipelines
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