Open Positions

Build the Future of
Trustworthy AI with Us

We are looking for curious, self-driven researchers to join our work on privacy, security, and reliability of AI systems. All levels welcome — from bachelor students to senior postdocs.


Research Focus & Expectations

Our research sits at the intersection of security, privacy, AI and data systems. We aim to lead world-class research at the frontier of trustworthy AI — building systems that are powerful, safe, and reliable for real-world applications.

Current Research Topics
We work on how AI systems break and how to fix them. Can LLMs leak private data? How to prevent it? How can AI agents be attacked? How to build reliable AI systems with RAG and data pipelines?
We Value
Curiosity and genuine interest in open problems  ·  Willingness to iterate deeply on research ideas  ·  Strong foundations in ML, security, or systems  ·  Drive to publish in top venues
Our Team
International team with diverse background  ·  100+ publications in top venues, with a strong presence in CSRankings  ·  Ample computing resources and support

Open Roles

How to Apply for Graduate Programs: Check the Admission Guidelines for Graduate Programs. International students are encouraged to apply through the IGP-C Program.

Informal inquiries are welcome. Please send a CV, transcripts, research proposal, representative publications (if any), and English test scores to cao@c.titech.ac.jp. Successful applicants receive a reply within one week.

For the MEXT scholarship, please contact only after passing the first screening through the Embassy recommendation in your home country. See MEXT Embassy Recommendation for details.

Positions are limited. We encourage you to reach out early.

PhD Students

We continuously seek highly motivated PhD students with strong foundations in machine learning, security, or data systems. Excellent students will be offered research assistant opportunities and supported in applying for JSPS DC1 and other scholarships.

Requirements:

  • Strong academic record (GPA > 3.5/4 or top 10%)
  • English proficiency (TOEFL > 100 or equivalent)
  • Publications at top venues (e.g., CCF-A, CORE A) strongly preferred
Master Students

We seek highly motivated master's students with strong motivation in pursuing top research in machine learning, security, or data systems. Excellent students will be offered research assistant opportunities and supported in applying for external scholarships.

Requirements:

  • Strong academic record (GPA > 3.5/4 or top 10%)
  • English proficiency (TOEFL > 90 or equivalent)
  • Prior research experience and strong motivation to produce top-tier research outputs
Postdoctoral Fellows

We welcome applications for JSPS International Postdoctoral Fellowships from researchers whose interests align with our group. Fellows pursue independent research while contributing to group activities.

Minimum qualifications:

  • PhD in Computer Science or related field
  • Strong background in privacy-enhancing technologies, ML, or databases
  • At least one first-author paper in a top-tier conference
  • Excellent writing and presentation skills in English

Benefits: Competitive salary, research budget (compute + conference travel), flexible environment. Initial appointment for one year, renewable. Opportunities for internal promotion (Specially-Appointed Assistant Professor).

To apply, send a CV and names of two references to cao@c.titech.ac.jp.

Visiting Scholars & Students

We host visiting scholars and students for collaborative research. Priority is given to those with an established research plan aligned with our current projects.

Professors or Senior Researchers: Check JSPS International Fellowships and the visiting researcher information.

PhD Students: Check Science Tokyo's non-degree visiting programs. Informal inquiries are welcome. RA opportunities may be available for outstanding applicants.

CAMPUS Asia Program: Students from Tsinghua University, KAIST, and NTU are eligible to apply through the CAMPUS Asia program. Contact Professor Cao directly before applying to confirm your research plan.

It is preferable to establish a research collaboration plan before your visit. Contact us early.


配属希望の方へ

Science Tokyo の B3/B4 学生で配属を希望される方は、専用ページをご覧ください。

(外部から修士課程・博士課程への一般入試を検討されている方もご参考ください。出願前にCVなどを添えてご連絡の上、受け入れ枠の有無をご確認ください。)

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Get in Touch

Questions about our research or open positions?
We are happy to hear from you!