Chengxi Li

Chengxi Li

Chengxi Li

Training Infra @Fireworks AI | RL @slime, SGLang | MSMITE @CMU

Experience

Fireworks AISoftware Engineer

2026 — Now

2026 — Now

San Mateo, CA

post-training Infra

sgl-projectDeveloper

2025 — Now

2025 — Now

Scale RL framework like slime/veRL

AmazonSoftware Engineer Intern

2025 — 2025

2025 — 2025

Seattle, Washington, United States

Amazon Business

Baidu, Inc.Software Engineer Intern

2024 — 2024

2024 — 2024

Beijing, China

Financial Risk Control

vivoSoftware Engineer Intern

2023 — 2024

2023 — 2024

Shenzhen, Guangdong, China

Payment System Backend

Education

Carnegie Mellon University

Master of Science - MS

Xidian University

Bachelor of Engineering - BE