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ByteDance

Student Researcher [Seed LLM Horizon – Multi-turn Tool Use] - 2026 Start (PhD)

ByteDance, San Jose, California, United States, 95199

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Student Researcher [Seed LLM Horizon – Multi-turn Tool Use] - 2026 Start (PhD) Join to apply for the

Student Researcher [Seed LLM Horizon – Multi-turn Tool Use] - 2026 Start (PhD)

role at

ByteDance

Overview The Seed LLM Horizon Team is dedicated to cutting-edge research, driven by a mission to push the boundaries of model intelligence, and fuelled by a long-term vision and unwavering commitment. The team is dedicated to developing the next-generation agent foundation model and building self-evolving, personalized Agent. We are seeking passionate and self-driven researchers who share our vision to collaborate on agent research.

PhD internships at ByteDance provide students with the opportunity to actively contribute to our products and research, and to the organization's future plans and emerging technologies. Our dynamic internship experience blends hands-on learning, enriching community-building and development events, and collaboration with industry experts.

Applications will be reviewed on a rolling basis; please state your availability clearly in your resume (Start date, End date).

Responsibilities

Enable models to perform deep usage of professional tools (e.g., search, code-interpreter) to solve complex problems.

Develop approaches to generalize model abilities to millions of out-of-distribution (OOD) tools and scenarios.

Scale up multi-turn tool-use training tasks and explore effective training methods.

Address challenges of long-horizon, multi-turn tasks in reinforcement learning.

Qualifications

Minimum Qualifications:

Currently pursuing a PhD in Computer Science, Software Engineering, Machine Learning, or a related field.

Research experience in one or more of the following: reinforcement learning, LLM agents, memory systems, tool use, or interactive learning.

Strong coding skills and proficiency with modern deep learning frameworks.

Demonstrated ability to conduct independent research, with publications in top-tier ML/AI conferences such as NeurIPS, ICML, ICLR, ACL, EMNLP, etc.

Preferred Qualifications:

Experience with long-horizon reasoning, multi-turn tasks, or asynchronous agent behavior.

Familiarity with agent evaluation, personalization, or real-world tool integration.

Background in building or analyzing large-scale agent training pipelines.

Ability to collaborate effectively in a fast-paced, research-driven team environment.

About the Team and Company Context About Doubao (Seed) Founded in 2023, the ByteDance Doubao (Seed) Team is dedicated to pioneering advanced AI foundation models. Our goal is to lead in cutting-edge research and drive technological and societal advancements. With a strong commitment to AI, our research areas span deep learning, reinforcement learning, language, vision, audio, AI infrastructure and AI safety. Our team has labs and research positions across China, Singapore, and the US.

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 https://tinyurl.com/RA-request

Seniority level Internship

Employment type Internship

Job function Research, Analyst, and Information Technology

Industries Software Development

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