Social Media Manager

Social Media Manager at LMArena

Location: SF Bay Area

Type: Full-Time

About the Role:

LMArena is seeking a sharp, creative, and mission-driven Social Media Manager to lead and grow our presence across X, LinkedIn, and future platforms as we scale. You’ll shape and evolve our voice online, craft compelling content that makes technical updates accessible, and connect with the broader AI community. You’ll also be responsible for growing our reach—developing strategies to expand into new channels, increase engagement, and build a strong, trusted presence in the fast-moving world of AI. This role is ideal for someone who moves fast, understands the rhythms of social media, and is excited to translate real-time AI developments into thoughtful, engaging conversation.

Responsibilities:

• Write, schedule, and manage content for X and LinkedIn that reflects our brand voice and values, tailored to each platform’s strengths and audience

• Translate technical updates, product launches, and AI trends into engaging, accessible, and shareable posts

• Maintain a forward-looking content calendar aligned with product milestones, community activity, and key events in the AI space

• Monitor and participate in conversations across the AI and research ecosystem, contributing meaningfully and amplifying relevant voices

• Drive growth in followers, reach, and engagement through experimentation, iteration, and real-time awareness

• Build relationships with key community members, including AI researchers, developers, and early adopters

• Develop platform-specific strategies to grow and sustain a presence on X, LinkedIn, and future channels

• Track key performance metrics, analyze audience behavior, and use insights to inform content direction and tone

• Collaborate with product to amplify launches, surface community activity, and bridge conversations across social and Discord

Who is LMArena?

Created by researchers from UC Berkeley’s SkyLab, LMArena is an open platform where everyone can easily access, explore and interact with the world’s leading AI models. By comparing them side by side and casting votes for the better response, the community helps shape a public leaderboard, making AI progress more transparent, and grounded in real-world usage.

Why Join Us?

Trusted by organizations like Google, OpenAI, Meta, xAI, and more, LMArena is rapidly becoming essential infrastructure for transparent, human-centered AI evaluation at scale. With over one million monthly users and growing developer adoption, our impact is helping guide the next generation of safe, aligned AI systems—grounded in open access and collective feedback.

Our work is regularly referenced by industry leaders pushing the frontier of safe and reliable AI. Sundar Pichai, Jeff Dean, Elon Musk, and Sam Altman.

• High Impact: Your work will be used daily by the world’s most advanced AI labs.

• Global Reach: Develop data infrastructure powering millions of real-world evaluations, influencing AI reliability across industries at the top-tier

• Exceptional Team: We are a small team of top talent from Google, DeepMind, Discord, Vercel, UC Berkeley, and Stanford.

Requirements:

• 5+ years of experience managing social media accounts, ideally in tech, startups, or other high-context environments

• Proven track record of growing engaged followings on platforms like X, LinkedIn, and Reddit

• Excellent writing and editing skills, with a sharp, concise, and approachable style

• Familiarity with AI, LLMs, or a strong interest in learning about complex technical topics quickly

• Comfortable navigating fast-paced online culture and responding to trends, conversations, and real-time developments

• Able to work independently while collaborating closely with a small, nimble, and cross-functional team

Preferred Qualifications:

• Familiarity with community-driven growth tactics and engagement loops

• Basic knowledge of analytics tools to track audience behavior and campaign performance

• Experience running or managing promoted/paid social campaigns

• Interest in AI, research culture, or digital communities focused on emerging technologies

What we offer:

• The cash compensation for this position in the market is not yet finalized. Actual compensation will depend on job-related knowledge, skills, experience, and candidate location.

• Competitive salary and meaningful equity

• Comprehensive healthcare coverage (medical, dental, vision)

• The opportunity to work on cutting-edge AI with a small, mission-driven team

• A culture that values transparency, trust, and community impact

Come help build the space where anyone can explore and help shape the future of AI.