Senior Software Engineer, ML Infrastructure

LMArena is seeking a Senior Software Engineer (Infrastructure) to lead the design and development of scalable, high-performance real-time data and API infrastructure.

Requirements

• 5+ years of experience in software engineering, with a focus on infrastructure or large-scale data and ML systems
• Deep expertise in distributed systems, stream processing, and scalable backend architecture
• Proven ability to design and operate low-latency, high-throughput, and fault-tolerant systems
• Strong foundation in systems design, performance tuning, and building reliable, fault-tolerant services
• Comfortable in a dynamic, high-ownership, fast-growth environment

Benefits

• Competitive salary
• Meaningful equity
• Comprehensive healthcare coverage (medical, dental, vision)
• The opportunity to work on cutting-edge AI with a small, mission-driven team
• A culture that values transparency, trust, and community impact