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OpenAI

Software Engineer, Model Runtime

San Francisco

Ashby
OPT Eligible: YESExperience: unclearPosted 15 hours ago · Aug 24, 2026 at 9:34 AM PDT

Degree

Not clearly stated

Salary

266,000-445,000 USD annually

Qualifications

Strong systems programming experience in C++, Rust, Python or comparable performance-oriented languages; experience building or optimizing runtimes, distributed systems, compilers, kernels, or model-serving infrastructure; understanding of modern LLM inference, batching, KV-cache, and model parallelism; ability to reason quantitatively about latency, throughput, and hardware performance; experience profiling and debugging across hardware-software stacks.

Eligibility

Candidates may need to meet certain legal status requirements as provided in U.S. export control laws and regulations.

Key Tech and Skills

Distributed SystemsLLMsC++RustPython