Senior Software Engineer - AI Inference

About this role

NVIDIA is the platform upon which every new AI‑powered application is built. We are seeking a Senior Software Engineer – AI Inference to advance open‑source LLM serving by contributing directly to upstream inference engines like vLLM and SGLang-ensuring they run best‑in‑class on NVIDIA GPUs and systems-and by improving the underlying stack that enables high‑throughput, low‑latency inference at scale. This is a hands-on role for an engineer who enjoys digging into performance bottlenecks, designing pragmatic runtime improvements, and shipping high‑quality changes that are broadly useful to the community and production deployments

What you'll be doing: Contribute features, fixes, and optimizations upstream to vLLM/SGLang: author PRs, participate in reviews, write benchmarks/tests, and help drive designs to completion. Implement and optimize inference‑runtime capabilities: batching and scheduling policies, streaming, request lifecycle management, and KV‑cache efficiency (paging/sharding) to improve throughput and tail latency. Profile and improve hot paths across layers-from Python orchestration to C++/CUDA kernels-using data to guide optimization work

Improve multi‑GPU inference performance and reliability: parallelism strategies, communication patterns, and resource utilization across NVIDIA platforms. Build and maintain performance and correctness regression tests to prevent slowdowns and ensure stable behavior across model and hardware configurations. Collaborate with model, platform, and SRE teams to translate production requirements into upstreamable solutions with strong operability and maintainability

What we need to see: 5+ years building production software with solid systems engineering fundamentals and a track record of delivering performance or reliability improvements. Experience with LLM inference/serving stacks (e.g., vLLM, SGLang) and an understanding of the tradeoffs that drive real production performance. Strong programming skills in Python plus C

Apply for this role on NVIDIA’s official careers site.