[Remote] Student Researcher (Seed - Infra - Inference) - 2026 Start (PhD)

Note: The job is a remote job and is open to candidates in USA. ByteDance is a company dedicated to pioneering advanced AI foundation models. They are looking for talented individuals to join their Seed Infrastructures team as PhD interns, where the main responsibilities include researching and developing machine learning systems and optimizing AI algorithms for large scale distributed training jobs. Responsibilities Research and develop our machine learning systems, including heterogeneous computing architecture, management, scheduling, and monitoring Manage cross-layer optimization of system and AI algorithms and hardware for machine learning (GPU, ASIC) Implement both general purpose training framework features and model specific optimizations (e.g. LLM, diffusions) Improve efficiency and stability for extremely large scale distributed training jobs Skills Currently in PhD program in distributed, parallel computing principles and know the recent advances in computing, storage, networking, and hardware technologies Familiar with machine learning algorithms, platforms and frameworks such as PyTorch and Jax Have a basic understanding of how GPU and/or ASIC works Expert in at least one or two programming languages in a Linux environment: C/C++, CUDA, Python Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment Experiences in open sourced frameworks for LLM inference such as vLLM/SGLang GPU based high performance computing, RDMA high performance network (MPI, NCCL, ibverbs) Distributed training framework optimizations such as DeepSpeed, FSDP, Megatron, GSPMD AI compiler stacks such as torch.fx, XLA and MLIR Large scale data processing and parallel computing Experiences in designing and operating large scale systems in cloud computing or machine learning Experiences in in-depth CUDA programming and performance tuning (cutlass, triton) Benefits Interns have day one access to health insurance Life insurance Wellbeing benefits 10 paid holidays per year Paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year) Housing allowance Company Overview ByteDance is a technology company that develops content creation platforms and services. It was founded in 2012, and is headquartered in Beijing, Beijing, CHN, with a workforce of 10001+ employees. Its website is Company H1B Sponsorship ByteDance has a track record of offering H1B sponsorships, with 1350 in 2025, 1123 in 2024, 775 in 2023, 487 in 2022, 417 in 2021, 245 in 2020. Please note that this does not guarantee sponsorship for this specific role.