Member of Design Staff - Product

Arena
San Francisco
Workplace: HybridFull timeFunction: Design (Product/UX/UI/Visual)Experience: 5+ yearsSkills: ["Prototype-first mindset","Comfort with ambiguity","Simplifying complex ideas","Writing","Visual storytelling","Data-informed prioritization"]

Own end-to-end product design for new features and products at Arena, partnering with engineering, product, and research to explore, prototype, iterate, test, and ship. Understand how users evaluate AI in real workflows, translate HXC and business goals into clear priorities, and use feedback and analytics to improve the experience. Help evolve and scale the design system while influencing design team culture and product vision.

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FursaFursa
Arena
Arena
1 day ago

Member of Design Staff - Product

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live

Job Summary

Own end-to-end product design for new features and products at Arena, partnering with engineering, product, and research to explore, prototype, iterate, test, and ship. Understand how users evaluate AI in real workflows, translate HXC and business goals into clear priorities, and use feedback and analytics to improve the experience. Help evolve and scale the design system while influencing design team culture and product vision.
Location: San Francisco
Workplace: Hybrid
Employment Type: Full time
Job Function: Design (Product/UX/UI/Visual)
Seniority: Mid level

Key Responsibilities

  • •Lead the end-to-end design process for new features and products, from prototyping and writing specs to partnering on implementation and iterating post-launch.
  • •Deeply understand HXC (High Expectation Customer), including why they love the product and how they use it.
  • •Align design decisions with business goals and user needs, using a strong point of view to improve the experience and grow the business.
  • •Monitor user feedback and analytics to spot trends, prioritize work, and continuously improve the product.
  • •Develop and expand the design system to ensure consistency and quality across all product surfaces.

Pay and Benefits

Perks:Health InsuranceDentalVisionEquity

Key Requirements

  • •At least 5 years of Product Design experience shipping consumer- or developer-facing applications, with a portfolio demonstrating visual design craft, product experience, and impact.
  • •Experience building 0-1 products or working with early-stage startups, with a history of shipping features.
  • •Strong interaction, visual, and design-system skills, including very strong proficiency in Figma.
  • •A prototype-first mindset: use prototyping tools to build and test prototypes to inform design decisions.
  • •Comfortable with ambiguity and simplifying complex ideas, with strong writing skills to draft and edit PRDs and communicate through visual/verbal storytelling.
Experience:5+ years
Skills:Prototype-first mindsetComfort with ambiguitySimplifying complex ideasWritingVisual storytellingData-informed prioritization
Tech Stack:Figma

Company Brief

Arena
LMArena operates a community-driven platform for evaluating and benchmarking large language models via crowdsourced pairwise comparisons and leaderboards, used by researchers and AI labs to measure real-world model performance. ([linkedin.com](https://www.linkedin.com/company/lmarena?utm_source=openai))
Industry: Developer Tools
Company Size: Small (11 to 50 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series A
Headquarters: San Francisco, United States
Founded: 2025
WebsiteLinkedIn