Social Marketing Manager

About Lang Chain

At Lang Chain, our mission is to make intelligent agents ubiquitous. We provide the agent engineering platform and open source frameworks developers need to ship reliable agents fast.

Our open source frameworks, Lang Chain and Lang Graph, see over 90+ million downloads per month and help developers build agents with speed and granular control. Lang Smith offers observability, evaluation, and deployment for rapid iteration, enabling teams to transform LLM systems into dependable production experiences.

Lang Chain is trusted by millions of developers worldwide and powers AI teams at companies like Replit, Clay, Cloudflare, Harvey, Rippling, Vanta, Workday, and more.

Location: San Francisco, CA (on-site 5 days a week)

We're looking for a Social Marketing Manager to own Lang Chain's voice across social channels and drive our video content strategy. In this role, you'll own growing our social media presence and engagement on X, Linked In, You Tube, and new channels while driving engagement and web traffic. You'll build and scale our video content engine—from thought leadership podcasts to product launch videos to technical round tables.

This is a high-impact role where you'll work cross-functionally with our product marketing, engineering, and education teams to shape how the world experiences Lang Chain's brand. If you're a creative marketer who's equally comfortable writing compelling copy and managing video production, thrives in fast-paced environments, and loves building content programs from scratch, we'd love to hear from you. Today, we have strong technical content and an engaged developer community—you'll translate that into must-watch video content and social media growth.

You need to be ready to get your hands dirty and get things done. You're not afraid to write scripts, edit social copy, coordinate with video vendors, and own the metrics that matter. You're excited about and already using AI to improve content quality and efficiency.

• Own social media growth: Drive follower growth, engagement rates, and web traffic from X, Linked In, You Tube, and other channels through consistent, high-quality content and community engagement

• Build our video content engine
  :
  Launch and manage new video programs including podcasts, roundtable discussions, customer stories, and product launch content that resonates with technical audiences.

• Lead video production
  :
  Manage end-to-end video production for product launches, working closely with product marketing to translate technical features into compelling visual stories. You'll coordinate talent, manage production schedules, and oversee post-production

• Manage vendor relationships
  :
  Develop and oversee relationships with video production agencies, freelance creators, editors, and content contractors to scale output while maintaining quality and staying on budget

• Create engaging content
  :
  Write scripts, social copy, video descriptions, and other content that drives engagement and reflects Lang Chain's technical expertise and brand voice

• Optimize for performance
  :
  Analyze social and video metrics, identify what's working, and iterate rapidly to improve reach, engagement, and conversion across all channels

• Enable and uplevel internal teams : Build playbooks, guidance, and lightweight training that empower product, marketing, education, and engineering teams to confidently use social channels to amplify launches and initiatives

• Experiment and innovate
  :
  Test new formats, platforms, and content types to stay ahead in the rapidly evolving AI landscape and reach developers where they are

• Experience: 2-6 years in social media marketing, video content production, or content marketing roles, preferably at developer-focused or technical product companies

• Track record of growth: Proven ability to grow social audiences and engagement—you've built and scaled social and video programs that consistently deliver measurable results in follower growth, engagement rates, and traffic

• Strong writing skills: Ability to write compelling, technically informed content for social media, video scripts, and various formats that…