Machine Learning Engineer

LMArena is seeking a Senior Machine Learning Engineer to help scale and strengthen the core infrastructure that powers real-world AI evaluation. You’ll play a foundational role in shaping how we build, deploy, and improve our model benchmarking systems, working across data pipelines, inference APIs, and new evaluation methodologies.

Requirements

• Strong programming skills with the ability to work across the stack in a typical recommendation system or LLM stack
• Experience in deep learning, language models or reward model training
• Experience in working with LLM for fine tuning, prompt engineering, function calling etc
• Self-motivated with a willingness to take ownership of tasks
• A passion for shipping quality products
• 4+ years of industry experience or relevant projects
• Solid understanding of statistics, and various tools and methodologies for evaluating uncertainty in a way that is specific to the given product being shipped

Benefits

• Comprehensive health and wellness benefits, including medical, dental, vision, and additional support programs