Frontend Engineer, Marketing & Web — Equity & Impact

LLMArena; San Francisco (CA); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Health benefits

Equity

Cutting-edge AI workload

Job summary

Arena Intelligence is seeking a frontend-specialized Software Engineer to own Arena's public web surfaces, including the blog, marketing pages, and the leaderboard UI used by millions to evaluate AI models.

You will own the blog end-to-end using Next.js and Sanity CMS, build marketing pages in the design system, and ensure fast, accessible interfaces with strong SEO and i18n. 6+ years of frontend experience and a portfolio of high‑craft public pages are required.

Qualifications

• 6+ years of frontend engineering experience.
• Portfolio of high-craft public pages.
• Deep skill in React, TypeScript, Next.js, and CSS.
• Able to read an API, extend a route, and follow the request lifecycle in a product codebase.
• Excellent cross-functional communication with designers, marketers, and engineers.
• Evidence of shipping and iterating, with post-launch changes.
• Genuine curiosity about AI evaluation and Arena's mission.

Responsibilities

• Own Arena's public web surfaces end-to-end.
• Build blog, marketing pages, and leaderboard UI.
• Ensure surfaces are fast, accessible, and indexable with i18n.
• Collaborate with design and engineering teams to defend tradeoffs.

Skills

Frontend expert

React

TypeScript

Next.js

CSS / Tailwind

Cross-functional collaboration

Performance optimization

SEO & accessibility

Tools

Sanity CMS

HonoJS

Job description

Arena Intelligence is seeking a frontend-specialized Software Engineer to own Arena's public web surfaces, including the blog, marketing pages, and the leaderboard UI used by millions to evaluate AI models.

You will own the blog end-to-end using Next.js and Sanity CMS, build marketing pages in the design system, and ensure fast, accessible interfaces with strong SEO and i18n. 6+ years of frontend experience and a portfolio of high‑craft public pages are required.