Research Scientist Graduate; Infrastructure System Lab PHD

Position: Research Scientist Graduate (Infrastructure System Lab)- 2026 Start (PHD)
About Team:
With the fast growth of Bytedance's business, Bytedance's system infrastructure is currently at a massive scale and requires versatile system solutions. Our lab collaborates with HQ teams on advanced R&D projects, focusing on LLM/AI + Infrastructure technologies, which includes both infrastructure for LLM/AI and LLM/AI for infrastructure. To name a few, we are building a new cloud-native vector index library.

Our TextToSQL project ranks top on well known industry benchmarks. We also work on advanced AIOps technologies that are used by our Volcano cloud products. Besides achieving great business impacts, we also encourage publishing on top tier conferences. In year 2025 alone, our lab published nearly 20 papers in top tier conferences, such as SIGMOD, VLDB, FSE, ICLR, Euro Sys, WWW etc.

We hire students with great technical skills, willingness to learn and solve complex technical challenges and passion in making an impact on millions of users. We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Launch your career where inspiration is infinite cessful candidates must be able to commit to an onboarding date by end of year 2026.

Please state your availability and graduation date clearly in your resume Responsibilities:

- Do research surveys and come up with a new system and algorithm design.

- Develop new systems and successfully land them into production environments - Be able to debug systems and measure system performance.

- Collaborate with mentors and other lab members.

- Write technical reports and publish papers.

Minimum Qualifications - Currently pursuing a PhD degree in Computer Science or related fields - Understand how distributed systems work, such as distributed storage and database systems.

- Great programming skill in one or more of the following programming languages: C/C++, Go, Java or Python - Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment.

Preferred Qualifications:

- Strong past research experience in infrastructure system areas - Research experience with AI and LLM - Strong publication records