[Remote] Research Scientist Intern (AI Infrastructure)- 2026 Start (PhD)
Note: The job is a remote job and is open to candidates in USA. ByteDance is a leading technology company focused on inspiring creativity and enriching life through innovative products. They are seeking a Research Scientist Intern to work on AI infrastructure, collaborating with researchers and engineers to enhance AI-driven products and services.
Responsibilities
- Lead end-to-end design of scalable, reliable AI infrastructure (AI accelerators, compute clusters, storage, networking) for training and serving large ML workloads
- Define and implement service-oriented, containerized architectures (Kubernetes, VM frameworks, unikernels) optimized for ML performance and security
- Profile and optimize every layer of the ML stack—ML Compiler, GPU/TPU scheduling, NCCL/RDMA networking, data preprocessing, and training/inference frameworks
- Develop low-overhead telemetry and benchmarking frameworks to identify and eliminate bottlenecks in distributed training and serving
- Build and operate large-scale deployment and orchestration systems that auto-scale across multiple data centers (on-premises and cloud)
- Champion fault-tolerance, high availability, and cost-efficiency through smart resource management and workload placement
- Architect and implement robust ETL and data ingestion pipelines (Spark/Beam/Dask/Flume) tailored for petabyte-scale ML datasets
- Integrate experiment management and workflow orchestration tools (Airflow, Kubeflow, Metaflow) to streamline research-to-production
- Partner with ML researchers to translate prototype requirements into production-grade systems
- Mentor and coach engineers on best practices in performance tuning, systems design, and reliability engineering
Skills
- Graduation date in 2026 year with a PhD in Computer Science, Engineering, or a related technical field
- Understanding of infrastructure or systems engineering focused roles, with ML/AI infrastructure
- Strong programming skills in Python, C++, Go, or Rust for systems development and automation
- Excellent communicator able to bridge research and production teams
- Strong problem-solving aptitude and a drive to push the state of the art in ML infrastructure
Benefits
- Interns have day one access to health insurance
- Life insurance
- Wellbeing benefits and more.
- Interns also receive 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).
- Interns who are not working 100% remote may also be eligible for 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 http://bytedance.com.
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.
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