GPU Kernel Expert
Company: Mercor · Pay: $70–$90/hr · Location: Remote — Global · Type: contractor · Posted: 2026-09-14
The Frontier of AI Hardware: Why GPU Kernel Optimization Is Driving High-Paying Remote Opportunities
The explosive growth of large language models and generative AI systems has created an unprecedented computational bottleneck. Training and executing trillion-parameter models requires extreme hardware efficiency, making low-level GPU and accelerator kernel optimization one of the most critical engineering disciplines in tech today. Elite machine learning infrastructure engineers and systems developers are no longer confined to traditional office settings; a new wave of high-compensating remote opportunities allows top-tier technical minds to monetize their specialized skills directly with leading artificial intelligence laboratories.
Platforms like Mercor are transforming technical hiring by connecting world-class domain specialists with frontier AI labs that need rigorous validation of hardware-level code. Positions such as the GPU Kernel Expert role place top engineers at the epicenter of modern AI research, offering premium compensation ranging between $70 and $90 per hour for specialized evaluation and benchmarking work.
Detailed Job Overview & Responsibilities
For systems engineers, compiler developers, and hardware accelerator experts looking for high-impact remote contracts, understanding the expectations of this role is crucial. The position requires senior-level technical judgment to assess, benchmark, and refine complex GPU and accelerator kernel tasks designed to train cutting-edge models.
Key Responsibilities:
- Kernel Evaluation & Correctness: Evaluate the quality, numerical correctness, and completeness of GPU and accelerator kernel development tasks used by frontier AI labs.
- Performance Benchmarking: Assess benchmarking fairness, performance profiling, and runtime execution across diverse kernel task types to ensure optimal hardware utilization.
- Rubric-Based Feedback: Provide clear, structured, and precise written feedback based on detailed evaluation rubrics to align AI-generated hardware code with rigorous production standards.
- Task Scope Verification: Review code generation from specifications, cross-framework translation, hardware target migration, and performance optimization operations.
Candidate Requirements: What It Takes to Qualify
Because these positions directly influence the computational infrastructure of next-generation AI systems, the qualification requirements are tailored for experienced systems programmers and deep hardware practitioners.
- 3+ Years of Experience: Hands-on background in developing, optimizing, or verifying GPU/accelerator kernels in at least two of: CUDA, Triton, NKI, or Pallas (JAX).
- Numerical Correctness: Strong understanding of absolute, relative, and ULP tolerances, alongside rigorous reference-implementation selection criteria.
- Performance Profiling: Demonstrated experience with profiling tools including Nsight (ncu), roofline analysis, or framework-native profilers.
- Debugging & Compilation: Familiarity with common runtime failure modes, driver mismatches, OOM errors, shape/stride mismatches, and autotuning failures.
- Task Diversity: Experience across at least three kernel task types: code generation, translation/lowering, migration, debugging, optimization, or operator fusion.
Preferred Qualifications: Experience across both NVIDIA GPU (CUDA/Triton) and custom-accelerator (NKI/Pallas/TPU) ecosystems, compiler engineering background (MLIR, IR lowering), memory-hierarchy optimization expertise, or contributions to community kernel libraries (cuBLAS, cuDNN, Triton community kernels, JAX/XLA custom calls).
Contract Flexibility, Global Payouts, and Remote Autonomy
Contracting through Mercor provides elite technical professionals with absolute professional freedom. Without the bureaucratic overhead of traditional corporate structures, independent contractors enjoy complete control over their workflow:
- Autonomous Scheduling: Complete evaluation milestones on your own schedule from any location within the United States (note: H1-B and STEM OPT support are currently unavailable).
- Dynamic Engagements: Projects scale flexibly based on frontier lab requirements and individual performance metrics.
- Reliable Weekly Payments: Earnings are disbursed weekly via secure platforms like Stripe and Wise, guaranteeing transparent, fast compensation for services rendered.
Why This Role Maximizes Your Engineering Impact
If you have spent years mastering memory-hierarchy optimization, shared-memory tiling, register pressure management, and warp-level primitives, your expertise represents a rare and highly prized commodity in the market. Traditional software engineering roles often bog down professionals in meetings and product management. Conversely, specialized GPU kernel evaluation allows you to focus purely on high-level systems analysis, hardware efficiency, and code correctness.
Furthermore, working alongside premier AI research ecosystems keeps your technical skills at the bleeding edge of the industry. You get a front-row seat to the hardware-software codesign challenges shaping the future of autonomous systems and massive language models—all while earning a competitive rate of $70 to $90 per hour.
Take the Next Step in Your Engineering Career
Specialized remote roles requiring deep systems-level expertise fill up rapidly as top-tier AI laboratories accelerate their infrastructure scaling. If you possess the required CUDA, Triton, or accelerator background and want to command your own schedule while influencing the future of AI computing, now is the time to submit your application.
Responsibilities
- Kernel Evaluation & Correctness: Evaluate the quality, numerical correctness, and completeness of GPU and accelerator kernel development tasks used by frontier AI labs.
- Performance Benchmarking: Assess benchmarking fairness, performance profiling, and runtime execution across diverse kernel task types to ensure optimal hardware utilization.
- Rubric-Based Feedback: Provide clear, structured, and precise written feedback based on detailed evaluation rubrics to align AI-generated hardware code with rigorous production standards.
- Task Scope Verification: Review code generation from specifications, cross-framework translation, hardware target migration, and performance optimization operations.
Qualifications
- 3+ Years of Experience: Hands-on background in developing, optimizing, or verifying GPU/accelerator kernels in at least two of: CUDA, Triton, NKI, or Pallas (JAX).
- Numerical Correctness: Strong understanding of absolute, relative, and ULP tolerances, alongside rigorous reference-implementation selection criteria.
- Performance Profiling: Demonstrated experience with profiling tools including Nsight (ncu), roofline analysis, or framework-native profilers.
- Debugging & Compilation: Familiarity with common runtime failure modes, driver mismatches, OOM errors, shape/stride mismatches, and autotuning failures.
- Task Diversity: Experience across at least three kernel task types: code generation, translation/lowering, migration, debugging, optimization, or operator fusion.