ByteDance

Research Engineer – Reinforcement Learning (RL) Systems & Infrastructure (Seed Infra)

ByteDance  •  $245k - $450k/yr  •  San Jose, CA (Onsite)  •  2 months ago
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Job Description

About the Team
The Seed Infrastructures team oversees the distributed training, reinforcement learning framework, high-performance inference, and heterogeneous hardware compilation technologies for AI foundation models.

Responsibilities
- Design and build end-to-end reinforcement learning (RL) systems for large-scale models, covering rollout, training, evaluation, and deployment pipelines.
- Develop scalable and fault-tolerant RL infrastructure that operates efficiently under dynamic workloads and heterogeneous compute environments.
- Optimize distributed training performance across GPU clusters, improving throughput, resource utilization, and system stability.
- Collaborate with cross-team researchers on targeted system–algorithm co-design to translate research ideas into robust, production-grade implementations.
- Build tooling, monitoring, and debugging frameworks to ensure reliability and observability of large-scale RL training systems.

The base salary range for this position in the selected city is $244800 - $450000 annually.
ByteDance

About ByteDance

ByteDance is a global incubator of platforms at the cutting edge of commerce, content, entertainment and enterprise services - over 2.5bn people interact with ByteDance products including TikTok.

Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible.

Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. We are committed to building a safe, healthy and positive online environment for all our users.

We have over 110,000 employees based in more than 30 countries globally. Join us.

Industry
IT & Software
Company Size
10,000+ employees
Headquarters
China, CN
Year Founded
Unknown
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