Senior Software Engineer, Data Engineering

LMArena is seeking a Senior Software Engineer to join their team and build data pipelines and infrastructure that powers real-world AI evaluation. The ideal candidate will have experience in software engineering, data engineering, and big data technologies, and will thrive in a fast-moving environment.

Requirements

• 5+ years of experience in software engineering, with a dedicated focus on data engineering and big data technologies
• Proficiency in SQL and at least one programming language commonly used for data analysis (Python (preferred), Scala, R)
• Hands-on experience with data processing and pipeline frameworks (Apache Spark, Ray Data, etc.) and at least one popular big data analytics platform (Databricks, Snowflake)
• Demonstrated experience in designing, implementing, optimizing, and debugging production data pipelines

Benefits

• Competitive compensation and equity aligned to the markets where our team members are based
• Comprehensive health and wellness benefits, including medical, dental, vision, and additional support programs
• The opportunity to work on cutting-edge AI with a small, mission-driven team
• A culture that values transparency, trust, and community impact