ByteDance · 1 week ago
Student Researcher [LLM Post Training – Agent & Reinforcement Learning] - 2026 Start (PhD)
United States
Internship
Remote
Intern
$65/hr - $65/hrByteDance is dedicated to pioneering advanced AI foundation models and is seeking a Student Researcher for their Seed LLM Post Training team. The role involves researching and developing advanced technologies in reinforcement learning and agent capabilities.
ContentData MiningFoundational AIInternetSocial Media
Responsibilities
Develop generalized agents capable of solving complex real-world tasks through long-horizon reasoning, memory, and multi-turn interaction
Tackle the challenges of large-scale reinforcement learning, building systems that can scale across compute, data, and environments to improve model intelligence and alignment with human preferences
Advance agent capabilities in long-horizon, multi-step reasoning across diverse domains, aiming to match or surpass expert-level performance
Explore planning, tool use, and feedback mechanisms to enhance agent robustness and adaptability across domains
Qualification
Required
Currently pursuing a PhD in Computer Science, AI, or a related field
Research experience in reinforcement learning, sequential decision-making, or agent behavior
First-author publications in top-tier ML/AI conferences (e.g., NeurIPS, ICLR, ICML)
Solid programming and experimentation skills, including with RL or LLM frameworks
Must obtain work authorization in the country of employment at the time of hire, and maintain ongoing work authorization during employment
Preferred
Experience with LLM agents, tool use, or prompt-based control
Familiarity with environments such as WebArena, ALFWorld, or programmatic reasoning tasks
Understanding of RL techniques such as reward shaping, memory augmentation, or curriculum learning
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
ByteDance
ByteDance is a technology company that develops content creation platforms and services.
Founded in 2012
10001+ employees
H1B Sponsorship
ByteDance has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1350)
2024 (1123)
2023 (775)
2022 (487)
2021 (417)
2020 (245)
Funding
Current Stage
Late StageTotal Funding
$9.8BKey Investors
Capital TodayG42Tiger Global Management
2025-11-20Secondary Market· $300M
2024-07-25Secondary Market
2023-03-14Secondary Market· $100M
Leadership Team
Jochen Bischoff
Head of Global Business Solutions - Africa
Matty Lin
General Manager, Global Business Solutions, KR
Recent News
2026-01-07
South China Morning Post
2026-01-07
Company data provided by crunchbase