Jiahang Lin is a master’s student at Fudan University’s FudanNLP Lab, co-advised by Tao Gui and Xuanjing Huang. His research focuses on self-evolving agents and reinforcement learning. His experience spans supervised fine-tuning with DeepSpeed and LLaMA-Factory, reinforcement learning with verl and trl, and agent harness engineering. He is a research intern at NEX-AGI and previously interned at Huawei’s Computing Research Department. He received his bachelor’s degree from Fudan University in 2025.