Graphics Software Engineer, Senior|

Job Title: Graphics Software Engineer

Work Location: San Diego, CA 92121 (100% onsite)

Duration of Assignment: 3+ Months

Pay Rate Range: $60.00-$68.00/hr on W2

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.

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.

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.

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