Fred Sun
Education
University College London (UCL) — London, UK
B.Sc. in Mathematics | Sept 2022 – Sept 2025
Research Experience
Centre for Brain Inspired Computing Research (CBICR), Tsinghua University — Beijing, China
Research Assistant | Dec 2025 – Present
Work Experience
ValiantSec Information Technology Co., Ltd. — Changsha, China
LLM Development Engineer | Jul 2025 – Oct 2025
Project Experience
Pure RL Training Research Based on Deepseek-R1-Zero and DeepSWE
Sept 2025 – Dec 2025
Technical Skills
Python, LLM, Reinforcement Learning (PPO/DPO/GRPO), Transformer, Agent Frameworks, English