Student Researcher (AI Foundation Models Infrastructure - Seed Infra) - 2026 Start (PhD)

Join us as we work together to inspire creativity and enrich life around the globe. Location: Seattle Team: Technology Employment Type: Intern Job Code: A173705 Share this listing: Responsibilities As an Infrastructure Intern, you may work on one or more of the following areas: Design and optimize large-scale distributed training systems (e.g., data/model/pipeline parallelism, memory efficiency, fault tolerance) Contribute to reinforcement learning training frameworks and large-scale post-training systems Improve inference performance, latency, and throughput for foundation models Develop compiler or runtime optimizations for heterogeneous hardware (GPU/accelerator) Work on system-level performance analysis, profiling, and bottleneck diagnosis Build tooling and automation to improve developer productivity and system reliability Qualifications Minimum Qualifications: Currently pursuing a PhD degree in Computer Science, Electrical Engineering, or related technical fields Strong programming skills in Python and/or C++ Solid understanding of systems, distributed computing, machine learning systems, or performance optimization Experience with one or more of the following: Distributed training frameworks (e.g., PyTorch FSDP, Megatron-style parallelism) Reinforcement learning training systems GPU programming (CUDA, Triton) or compiler technologies Preferred Qualifications: Experience working on large-scale ML systems or infrastructure projects Contributions to open-source ML systems or performance tooling Publications in ML systems, distributed systems, or related areas (a plus but not required) As a condition of employment, all successful candidates must be able to establish authorization to work in the United States. For this position, the Company does not provide sponsorship or any immigration-related benefits. Job Information About Doubao (Seed) Established in 2023, the ByteDance Seed team is dedicated to pioneering new paths toward artificial general intelligence. We aspire to advance the frontier of intelligence to drive progress for both technology and society. With a long-term vision for the AI sector, the Seed team's research spans MLLM, GenMedia, AI for Science, and Robotics. We maintain a global presence with laboratories and career opportunities across China, Singapore, and the United States. To date, we have launched industry-leading general foundation models and cutting-edge multimodal capabilities. Our technology powers over 50 application scenarios — including Doubao, Jimeng, TRAE, Dola and Dreamnia — and serves enterprise customers through Volcano Engine and BytePlus. Third-party data shows that the Doubao App ranks first in user volume in the Chinese market, while Doubao foundation models lead the industry in average daily token consumption. Why Join ByteDance Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day. As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us. Diversity & Inclusion ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too. Reasonable Accommodation ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at #J-18808-Ljbffr ByteDance