Senior Software Engineer Product

Arena is a community-powered AI evaluation platform where people compare frontier-model outputs and vote, generating human-preference data and public leaderboards.

San Francisco, United States
About Arena

Arena Intelligence, Inc. operates Arena, formerly LMArena and previously known as Chatbot Arena. Its platform measures real-world AI model performance through user comparisons, votes, leaderboards, and agentic evaluation.

View jobs by Arena

Skills

About the Role

You will own product features from technical scoping through deployment and post-launch iteration. You will design schemas, APIs, and business logic, ship code across the stack, use user feedback to improve features, and help productionize research services.

Requirements

  • 4+ years of software engineering experience focused on product development
  • Experience building user-facing web applications across frontend, backend/API, and database layers
  • Clear and concise technical communication
  • Experience shipping and iterating on owned features
  • Product engineering focus on user outcomes
  • Curiosity about AI evaluation

Responsibilities

  • Own features from technical scoping through deployment and post-launch iteration
  • Design and extend schemas, APIs, and business logic
  • Ship high-quality product code across the stack
  • Incorporate user feedback to improve shipped features
  • Turn research services into production-ready product capabilities
  • Collaborate on product decisions
  • Improve development, testing, and deployment practices

Benefits

  • Equity
  • Medical benefits
  • Dental benefits
  • Vision benefits
  • Additional health and wellness support programs
Senior Software Engineer Product at Arena | JobStash