Arena
Open positions
Software Engineer Platform
You will build and operate the core infrastructure behind online AI evaluation systems. You will design reliable, low-latency APIs, solve streaming and provider-failure challenges, add enterprise infrastructure…
Technical Recruiter
You will partner with hiring managers to define role outcomes, success profiles, and interview plans. You will run full-cycle recruiting, build talent pipelines, maintain structured and fair interview processes,…
Software Engineer ML Infrastructure
You will architect and scale high-performance real-time API and data systems. You will design low-latency pipelines for large-scale event streams, ensure data reliability and consistency, mentor engineers on…
Associate General Counsel AI Product and Privacy
You will advise product and engineering on privacy, intellectual property, enterprise use cases, and consumer protection. You will lead global privacy compliance, advise on AI governance, negotiate privacy agreements,…
Software Engineer Marketing and Web
You will own the blog and build marketing pages, public leaderboard interfaces, CMS models, and publishing tools. You will keep public web surfaces fast, accessible, and indexable while delivering responsive frontend…
Software Engineer Data Infrastructure
You will design and build data pipelines that ingest, process, and transform user-vote data for model evaluation. You will improve pipeline reliability and data quality, scale infrastructure, and create dashboards and…
Applied AI Engineer
You will manage model-lab relationships and work directly with researchers and product teams to integrate models, run evaluations, and deliver results. You will improve onboarding and delivery processes, turn customer…
Member of Design Staff Product
You will lead end-to-end design for new products and features, from prototypes, proposals, and specifications through implementation and post-launch iteration. You will use customer insight, feedback, and analytics to…
Product Solutions Engineer
You will manage model-lab relationships and work directly with researchers and product teams to integrate models, run evaluations, and deliver results. You will improve onboarding and delivery processes, turn customer…
Machine Learning Scientist ML Research
You will design and conduct experiments on AI model behavior, create metrics and evaluation protocols, and analyze large-scale human preference data. You will prototype research ideas, collaborate to scale findings…