Research Engineer Graduate (Agent Systems & AI Coding Environment – Seed Infra) – 2026 Start (PhD)
ByteDance · Seattle, WA · 1 wk ago
Engineering$233k–$428k/yrFull-time
Responsibilities
- Build agent harness and execution environments for AI coding and knowledge tasks (code execution, tool integration, sandboxing, system interaction)
- Develop scalable orchestration frameworks for multi-step agent workflows (planning, tool use, memory, coordination)
- Design evaluation and benchmarking systems to measure agent performance across complex, long-horizon tasks
- Improve agent performance via prompting, data curation, and post-training in collaboration with model and RL teams
- Partner with research and product teams to productionize agent systems
Qualifications
- Individuals who are completing or have recently completed a Ph.D. in Computer Science, Machine Learning, Systems, or a related field
- Strong programming skills (Python or similar) and solid system-building experience
- Experience with LLM-based systems, pipelines, or tool-integrated workflows
- Understanding of system design and building scalable infrastructure
- Experience building agent harness / runtime systems or AI coding environments
- Experience with Docker, Kubernetes or similar orchestration systems, distributed job execution, and containerized/sandboxed code execution environments