Software Engineer, Trainium

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Software Engineer, Trainium in USA

OpenAI
Full time
Email

USA
08/21/2026
Report

San Francisco, CA

Responsibilities

Build and optimize OpenAI’s inference stack for AWS Trainium.
Develop high-performance kernels for critical model operations and workloads.
Extend compiler support to efficiently target Trainium hardware.
Build systems to execute and optimize model forward passes on Trainium.
Profile workloads and identify bottlenecks across kernels, compiler-generated code, runtimes, and model execution.
Partner with inference and ML systems teams to bring new models and architectures to Trainium.
Solve hardware/software performance problems end-to-end from investigation through production deployment.

Requirements

3+ years of relevant engineering experience, ideally in ML systems, compilers, kernels, runtimes, or performance engineering.
Strong systems programming fundamentals and experience writing performance-critical software.
Experience with GPU, TPU, Trainium, or other specialized accelerator architectures.
Ability to reason about performance across hardware, kernels, compilers, and ML frameworks.
Ability to own technically ambiguous problems end-to-end and learn new hardware and software domains.
Experience with AWS Trainium or the AWS Neuron SDK is a bonus.
Contributions to PyTorch or JAX, compiler infrastructure such as LLVM or MLIR, XLA, Triton, or specialized accelerator kernel development are bonuses.

Salary: $295k - $380k/yr

OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests fi...

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