Graduate AI Infrastructure Engineer

Job Description

About the Job: Graduate AI Infrastructure Engineer (Seed Infrastructures)

The Seed Infrastructures team is at the forefront of AI foundation model development, overseeing critical technologies for distributed training, reinforcement learning frameworks, high-performance inference, and heterogeneous hardware compilation. We are seeking talented individuals to join our team in 2026 as graduate hires. This is an unparalleled opportunity to pursue bold ideas, tackle complex challenges, and unlock limitless growth in a company where inspiration is infinite.

Commitment Requirement: Successful candidates must be able to commit to an onboarding date by the end of year 2026. Please ensure your availability and graduation date are clearly stated in your resume.

About the Team: Seed Infrastructures

The Seed Infrastructures team is responsible for the foundational technologies that power AI foundation models. This includes:

• Distributed training systems
• Reinforcement learning frameworks
• High-performance inference solutions
• Heterogeneous hardware compilation technologies

Responsibilities

As a Graduate AI Infrastructure Engineer, you will play a crucial role in designing, building, and improving the systems that enable large-scale agent development and evaluation. Your responsibilities will include:

• Design and build scalable agent evaluation frameworks for multi-step, tool-using, and environment-interacting agents.
• Develop reproducible rollout systems, including trajectory logging, execution formats, and experiment replay capabilities.
• Build distributed execution pipelines to support large-scale agent evaluation and post-training workloads.
• Support RLHF (Reinforcement Learning from Human Feedback) and other post-training workflows by developing robust infrastructure for rollout, reward modeling, and policy optimization.
• Develop sandboxed and cloud-based environments to ensure safe and reliable agent experimentation.
• Improve the scalability, reliability, and performance of agent training and evaluation systems.

Qualifications

Minimum Qualifications:

• Individuals who are completing or have recently completed a PhD degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• Strong programming skills in Python and demonstrated experience building large-scale systems or open-source frameworks.
• Familiarity with reinforcement learning workflows (e.g., rollout, trajectory collection, policy optimization).
• Experience with distributed systems or parallel execution frameworks (e.g., Ray, PyTorch Distributed, Kubernetes).
• Strong understanding of scalability and system reliability principles.

Preferred Qualifications:

• Experience in agent systems, evaluation frameworks, or RLHF pipelines.
• Open-source contributions or publications in ML systems, agent infrastructure, or distributed RL.

Job Information

Compensation Description (Annually)

The base salary range for this position in the selected city is $177,688 – $341,734 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies, experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits

Benefits may vary depending on the nature of employment and the country work location. Employees have day-one access to:

• Medical, dental, and vision insurance
• 401(k) savings plan with company match
• Paid parental leave
• Short-term and long-term disability coverage
• Life insurance
• Wellbeing benefits
• 10 paid holidays per year
• 10 paid sick days per year
• 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse, and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

• Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
• Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
• Exercising sound judgment.

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 Infra, 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 an 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.