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About Us At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together. LangChain is a place where your contributions can shape how this technology shows up in the real world. Today, LangChain, LangGraph, LangSmith, and Fleet are used by teams shipping real AI products across startups and large enterprises. Millions of developers trust LangChain to power AI teams at companies like Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500. About the role: We're looking for a senior PMM to own go-to-market for LangSmith's infrastructure products: LangSmith Deployment, Sandboxes, and adjacent self-hosted and cloud infrastructure offerings. LangSmith Deployment gives teams the flexibility to run LangSmith in their own cloud or on-prem environment — meeting enterprise security, compliance, and data residency requirements. Sandboxes give developers safe, isolated environments to build and test agents without impacting production. You'll own messaging for a technically sophisticated audience, launch new capabilities in a fast-moving market, and build the enablement that helps our sales team win complex enterprise deals. What You'll Do: Lead product launches. AI infrastructure moves fast, and we ship to match. You'll partner with product and GTM to launch new infrastructure capabilities and platform updates in ways that resonate with technical buyers and