# Software Engineer, Inference Runtime

- Company: [Lm Studio](<https://jobstar.asia/company/lm-studio>)
- Location: New York City
- Remote: Yes
- Team: Engineering
- Employment type: Full Time
- Salary: $150K – $350K
- Posted: August 7, 2026

## Job description

LM Studio is used by millions of people around the world to run AI on their own computers, and now with Bionic - also in the cloud. Our values prioritize putting the human in the center, and creating tools that we want to use ourselves, and recommend to our friends and family.

As a team, we work with high technical intensity and personal responsibility. We are looking for curious, self-motivated, creative, and technically excellent teammates to join us and build the future of human-AI interactions in software.

The Role

We are looking for an Inference Runtime Software Engineer to push forward LM Studio's inference stack on-device and in the cloud. You will integrate new inference engines and runtime capabilities, bring up new open-weight models and modalities, and optimize model execution for a wide range of CPU and GPU targets. You will also contribute improvements to the open-source projects we build on.

Qualifications

* Significant experience building production ML systems, inference runtimes, or performance-sensitive infrastructure
* Strong programming ability in Python and C++
* Deep understanding of transformer architectures and the mechanics of model inference
* Experience profiling CPU or GPU workloads and reasoning about compute, memory, synchronization, and data movement
* Experience with PyTorch and inference systems such as llama.cpp, MLX, ExecuTorch, vLLM, SGLang, or TensorRT-LLM
* Strong debugging instincts across model code, runtime internals, operating systems, and CPU or GPU execution
* Takes personal responsibility for the correctness and performance of their work

Bonus Qualifications

* Past contributions to open-source inference runtime projects such as llama.cpp, MLX, ExecuTorch, vLLM, SGLang, or TensorRT-LLM

Responsibilities

* Maintain and push forward our inference stack on-device and in the cloud
* Bring up new model architectures and multimodal models
* Improve latency, throughput, memory use, and reliability across CPU, CUDA, Metal, Vulkan, and ROCm runtimes
* Build runtime capabilities for model loading, batching, scheduling, caching, and distributed execution
* Benchmark and diagnose correctness and performance problems across the inference stack
* Contribute upstream to open-source projects such as llama.cpp and MLX

Benefits

* Competitive salary and equity grants
* Great medical, vision, dental healthcare plans
* Catered team lunch / expensed dinners in the office
* Flexible PTO
* Flexible WFH
* Sun-drenched office in SoHo in NYC

## Apply

[Apply on Lm Studio](<https://jobs.ashbyhq.com/lm-studio/ba7b2c29-c2ad-4ad2-98f4-a8ba373b34e0>)

Canonical job page: <https://jobstar.asia/job/software-engineer-inference-runtime-lm-studio-new-york-city-2582e0104de6bdc5>
