cv
Basics
| Who i am | Jay (Zhuosheng) Liu, Ph.D. |
| Current status | Ph.D. Intern, Machine Learning at Meta Platforms |
| zsliujay@gmail.com | |
| Summary | Researcher combining domain knowledge in microbial food safety with bioinformatics and applied AI/ML. Work spans interpretable pathogen genomics, protein representation learning, generative-AI evaluation, and large-scale recommendation systems. Experience connects experimental science, model development, and evaluation in research and production settings. |
| Academic email | zsliu@ucdavis.edu |
| Url | https://jlk666.github.io |
| Research focus | Applied AI/ML | AI for Science | Bioinformatics | Microbial Food Safety |
Industry Experience
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2026.06 - Present Ph.D. Intern, Machine Learning
Meta Platforms
Developed LLM-based music and creator recommendation systems for content creation.
- Built pipelines for semantic tokenization, supervised fine-tuning, preference optimization, and online evaluation.
- Designed Atomic Creator Tokens for creator recommendation.
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2025.06 - 2025.08 McLean, VA
Ph.D. Data Science Intern, AI Foundation
Capital One
Investigated graph representation learning using data from approximately two million customers to predict shared accounts and support customer modeling and fraud-risk analysis.
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2024.06 - 2024.09 Emeryville, CA
Machine Learning Intern
Metagenomi
Developed preprocessing, feature engineering, and ML/deep-learning models for CRISPR nuclease indel profiles and gene-editing outcomes using internal screening data.
Editorial Appointment
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2026.09 - Present Review Editor
Frontiers in Microbiology — Microbiome Data Science
Appointed to the section editorial board to review manuscripts in computational, statistical, and informatics approaches to microbiome research.
Education
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2020 - 2026 Davis, CA, USA
Doctor of Philosophy (PhD)
University of California, Davis
Microbial food safety, bioinformatics, and machine learning
- Advisor: Luxin Wang
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2023 - 2025 Davis, CA, USA
Master of Science (MS)
University of California, Davis
Computer Science
- ECS 271 Advanced Machine Learning (A+)
- ECS 174 Computer Vision (A)
- ECS 289 G Advanced Deep Learning (A+)
- ECS 289 L Advanced Artificial Intelligence (A+)
- ECS 230 Applied Linear Algebra (A)
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2019 - 2020 New York, NY, USA
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2019 Davis, CA, USA
Skills
| AI / ML | |
| PyTorch, TensorFlow, scikit-learn, Hugging Face | |
| LLM fine-tuning, LoRA, PEFT, DPO, GRPO | |
| Multimodal representation learning, graph learning | |
| Generative recommendation, model evaluation |
| Programming & Systems | |
| Python, R, C/C++, Java, SQL, Scala, Perl, Bash | |
| NumPy, pandas, Spark/PySpark, PostgreSQL | |
| Linux, Git, Docker, AWS, FSDP, vLLM |
| Bioinformatics | |
| Snakemake workflows, Biopython | |
| RNA-seq, 16S rRNA sequencing, whole-genome and pangenome analysis | |
| ESM2 protein embeddings, UMAP/t-SNE, AlphaFold2 structure prediction |
| Experimental Methods | |
| NGS library preparation, qPCR, PCR | |
| Microbial culture, pathogen challenge studies, food-safety experiments |
Awards
- 2026
- Reviewer Appreciation Award – Issued by Journal of Medical Imaging (JMI) / SPIE (Feb 2026)
- Walter Jennings Graduate Student Fellowship (Jan 2026)
- 2025
- Margrit Mondavi Student Support Fellowship (Mar 2025)
- 2024
- Peter J. Shields and Henry A. Jastro Research Award – Issued by UC Davis, College of Agriculture and Environmental Science (Oct 2024)
- Fresh Express Incorporated Graduate Student Support Fund – Issued by UC Davis, Food Science and Technology Department (Mar 2024)
- LUGG Graduate Student Award – Issued by UC Davis, Food Science and Technology Department (Mar 2024)
- 2023
- NCIFT Graduate Student Competition 1st Place Winner – Issued by NCIFT (Apr 2023)
- Fresh Express Incorporated Graduate Student Support Fund – Issued by UC Davis, Food Science and Technology Department (Mar 2023)
- LUGG Graduate Student Award – Issued by UC Davis, Food Science and Technology Department (Mar 2023)
- 2022
- Peter J. Shields and Henry A. Jastro Research Award – Issued by UC Davis, College of Agriculture and Environmental Science (Sep 2022)
- Fresh Express Incorporated Graduate Student Support Fund – Issued by UC Davis, Food Science and Technology Department (Mar 2022)
- James and Marilyn Lugg Graduate Student Award – Issued by UC Davis, Food Science and Technology Department (Mar 2022)
- Victor Chu Endowment – Issued by UC Davis, Food Science and Technology Department (Mar 2022)
- 2021
- Peter J. Shields and Henry A. Jastro Research Award – Issued by UC Davis, College of Agriculture and Environmental Science (Aug 2021)
- Bor Luh Scholarship – Issued by UC Davis, Food Science and Technology Department (Mar 2021)
- George Stewart Memorial Award – Issued by UC Davis, Food Science and Technology Department (Mar 2021)
- 2020 & Earlier
- Doctoral Student Departmental Fellowship – Issued by UC Davis Food Science Graduate Group (Mar 2020)
- Departmental Master Student Scholarship – Issued by Columbia University (Aug 2019)
- 3rd Place of CAFPNA Student Presentation Competition – Issued by Chinese Association of Food Protection in North America (Jul 2019)
- Departmental Citation for Outstanding Performance – Issued by UC Davis Food Science and Technology Department (Jun 2019)
Peer Review Activity
- 2026
- Frontiers in Microbiology (Reviewer)
- Journal of Food Science (Reviewer)
- ACM Computing Surveys (Reviewer)
- ACM Transactions on Sensor Networks (Reviewer)
- ICLR Workshop on Foundation Models for Science (FM4Science) (Reviewer; six completed reviews)
- Conference on Neural Information Processing Systems (NeurIPS) (Reviewer)
- KDD AI4Science (Reviewer)
- ACM CAIS AgentSkills Workshop (Reviewer)
- 2025
- NeurIPS workshops: Imagenomics and AI4DS (Reviewer)
- ACM Transactions on Computing for Healthcare (Reviewer)
- Journal of Medical Imaging (Reviewer)
- IEEE Journal of Biomedical and Health Informatics (Reviewer)
- IEEE Transactions on Neural Networks and Learning Systems (Reviewer)
- IEEE Data Descriptions (Reviewer)
- IEEE Transactions on Multimedia (Reviewer)
- Frontiers in Microbiology (Reviewer)
- Frontiers in Marine Science (Reviewer)
- 2024
- ICLR-associated reviewing
- 2023
- IFT FIRST Technical Research Paper (Reviewer)
- Additional Service
- KDD 5th Workshop on Ethical Artificial Intelligence (Reviewer)
- KDD 5th Workshop on Uncertainty Reasoning and Quantification in Decision Making (Reviewer)
- IEEE Cloud Summit (Reviewer)
- International Conference on Artificial Neural Networks (Reviewer)