Yihao Liu

Researcher @ Alibaba | MS @ PKU | Ex @ MSRA

Beijing, China

About

Experience

  • Research Intern at Alibaba Group
    Feb 2026 - Present · 6 mos

    I recently joined the Qwen Application Foundation Model Team as a researcher, working on training and optimizing LLMs for Qwen App. My work in post-training bridges fundamental research and tangible gains for the Qwen App. Beyond improving application-level performance, I devote a substantial amount of effort to exploring and advancing the core capabilities of LLMs. I am particularly interested in pushing the boundaries of model training, optimization, and reasoning behaviors, with the goal of producing work that leads to more fundamental and impactful advances in large-scale models.

  • Datanet Designer & R&D at Peking University
    Aug 2023 - Jun 2026 · 2 yrs 11 mos

    I am deeply engaged in the advancement of Datanet, a cutting-edge data federation system designed to seamlessly integrate a variety of data sources into a unified and efficient framework. My goal is to evolve this system into a data fabric architecture, enhancing its capabilities to not only connect data but also to process and analyze it intelligently, thereby improving data accessibility, interoperability, and overall smart data management across multiple platforms.

  • LLM Algorithm Engineer at Canlah.AI
    Nov 2025 - Apr 2026 · 6 mos

    Driving a joint research effort with Stanford and Canlah to evaluate how cutting-edge large language models can transform application modeling. I lead the exploration of LLM-powered semantic understanding, system design automation, and intelligent workflow generation, helping establish new methodologies that bridge academic research with real-world software engineering.

  • Microsoft (On-site)
    • Applied Scientist Intern
      Jun 2025 - Sep 2025 · 4 mos

      As a summer intern in the Microsoft One Person Entrepreneur (OPE) program, I focused on exploring AI startup projects by harnessing the powerful capabilities of large language models (LLMs) to identify innovative use cases and unlock new application scenarios. I prototyped solutions that could significantly enhance user experiences and drive engagement through advanced AI integration. Additionally, I contributed to the development of generative recommendation systems, leveraging LLMs to improve the accuracy and relevance of recommendations. This experience allowed me to combine entrepreneurial initiative with technical expertise, while collaborating with cross-functional teams to bring cutting-edge AI solutions to life.

    • Researcher Intern
      Oct 2024 - Jun 2025 · 9 mos

      As a Large Language Model (LLM) researcher at Microsoft Research Asia, I am actively engaged in exploring the diverse applications of LLMs within the context of Excel. My role involves conducting cutting-edge experiments to harness the power of LLMs for enhancing productivity and automation in spreadsheets. I am dedicated to pushing the boundaries of what's possible by integrating advanced AI capabilities into Excel, aiming to transform the way users interact with data and perform complex analyses. Through my work, I am committed to uncovering innovative solutions that can streamline workflows and empower users to make data-driven decisions more effectively.

    • SDE Intern
      Mar 2024 - Oct 2024 · 8 mos

      As a Software Engineer at Microsoft AI's Edge Machine Learning Team, I have made significant contributions to the full-stack development of the Edge Copilot project. My work has focused on creating an AI-powered browsing and search engine within Microsoft Edge and Bing, which enhances user experience by using LLM.

  • Agent Engineer at Tamar AI
    Mar 2024 - Sep 2024 · 7 mos

    I was deeply engaged in pioneering research on Large Language Model (LLM) agents specifically tailored for the e-commerce domain. My work focused on developing a sophisticated conversational proxy that leverages the transformative potential of Dify, a platform designed to customize and enhance agent capabilities. By utilizing Dify, I ensured the seamless integration and optimal performance of our LLM agents within the e-commerce ecosystem. Additionally, I actively learned and applied advanced cloud services such as AWS to enhance the scalability and efficiency of our system, incorporating the latest research on parameter-updating optimization methods for LLM-based multi-agent systems. This comprehensive approach ensured that our conversational agents not only met the dynamic needs of e-commerce but also stayed at the forefront of technological innovation.