PyTorch Operator ML Engineer

1) Role Overview

Mercor is seeking experienced PyTorch experts who excel in extending and customizing the framework at the operator level. Ideal contributors are those who deeply understand PyTorchs dispatch system ATen autograd mechanics and C extension interfaces. These contractors bridge research concepts and high-performance implementation producing clear maintainable operator definitions that integrate seamlessly into existing codebases.

2) Key Responsibilities

Design and implement new PyTorch operators and tensor functions in C / ATen.

Build and validate Python bindings with correct gradient propagation and test coverage.

Create golden reference implementations in eager mode for correctness validation.

Collaborate asynchronously with CUDA or systems engineers who handle low-level kernel optimization.

Profile benchmark and report performance trends at the operator and graph level.

Document assumptions APIs and performance metrics for reproducibility.

3) Ideal Qualifications

Deep understanding of PyTorch internals (TensorIterator dispatcher autograd engine).

Strong background in C17 and template metaprogramming within PyTorchs ecosystem.

Experience authoring or extending PyTorch custom ops or backends.

Working knowledge of performance profiling tools and GPU / CPU interplay.

Strong written communication and ability to deliver well-documented self-contained modules.

Prior open-source contributions to PyTorch TorchInductor Triton or related projects are a plus.

4) More About the Opportunity

Ideal for contractors who enjoy building clean high-performance abstractions in deep learning frameworks.

Work is asynchronous flexible and outcome-oriented.

Collaborate with CUDA optimization specialists to integrate and validate kernels.

Projects may involve primitives used in state-of-the-art AI models and benchmarks.

5) Compensation & Contract Terms

Typical range : $100$200 / hour depending on experience and project scope.

Structured as an independent contractor engagement not employment.

Payments for services rendered on a milestone or weekly invoice cadence.

Confidentiality and IP assignment agreements may apply.

6) Application Process

Share a concise summary of your experience with PyTorch internals and systems-level programming.

Include links to open-source work GitHub PRs or sample operator implementations.

Provide hourly rate availability and relevant technical background.

Selected experts may complete a short paid pilot module to demonstrate fit.

7) About Mercor

Mercor connects top-tier independent professionals with leading AI labs and research organizations.

Contractors retain full control over their work schedule and deliverables.

Our engagements focus on high-skill high-autonomy technical work across AI systems and optimization

Key Skills

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Employment Type : Full Time

Experience : years

Vacancy : 1